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| author | Alexey Samsonov <samsonov@google.com> | 2014-02-14 09:20:33 +0000 |
|---|---|---|
| committer | Alexey Samsonov <samsonov@google.com> | 2014-02-14 09:20:33 +0000 |
| commit | a6b264b51d4fa786d9df659621fc1ffad1fdc5d0 (patch) | |
| tree | 416fdf341f03ee1f373907f65ce054afc40d7ab1 /compiler-rt/lib/arm | |
| parent | 0b28ea9c471308faf04b4b6695c9f016aabea49a (diff) | |
| download | bcm5719-llvm-a6b264b51d4fa786d9df659621fc1ffad1fdc5d0.tar.gz bcm5719-llvm-a6b264b51d4fa786d9df659621fc1ffad1fdc5d0.zip | |
Move original compiler-rt functions (libgcc replacement) to lib/builtins directory
llvm-svn: 201393
Diffstat (limited to 'compiler-rt/lib/arm')
64 files changed, 0 insertions, 2531 deletions
diff --git a/compiler-rt/lib/arm/Makefile.mk b/compiler-rt/lib/arm/Makefile.mk deleted file mode 100644 index 4aeb365c971..00000000000 --- a/compiler-rt/lib/arm/Makefile.mk +++ /dev/null @@ -1,20 +0,0 @@ -#===- lib/arm/Makefile.mk ----------------------------------*- Makefile -*--===# -# -# The LLVM Compiler Infrastructure -# -# This file is distributed under the University of Illinois Open Source -# License. See LICENSE.TXT for details. -# -#===------------------------------------------------------------------------===# - -ModuleName := builtins -SubDirs := -OnlyArchs := armv5 armv6 armv7 armv7k armv7m armv7em armv7s - -AsmSources := $(foreach file,$(wildcard $(Dir)/*.S),$(notdir $(file))) -Sources := $(foreach file,$(wildcard $(Dir)/*.c),$(notdir $(file))) -ObjNames := $(Sources:%.c=%.o) $(AsmSources:%.S=%.o) -Implementation := Optimized - -# FIXME: use automatic dependencies? -Dependencies := $(wildcard lib/*.h $(Dir)/*.h) diff --git a/compiler-rt/lib/arm/adddf3vfp.S b/compiler-rt/lib/arm/adddf3vfp.S deleted file mode 100644 index 4302b6ab310..00000000000 --- a/compiler-rt/lib/arm/adddf3vfp.S +++ /dev/null @@ -1,26 +0,0 @@ -//===-- adddf3vfp.S - Implement adddf3vfp ---------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// double __adddf3vfp(double a, double b) { return a + b; } -// -// Adds two double precision floating point numbers using the Darwin -// calling convention where double arguments are passsed in GPR pairs -// - .syntax unified - .align 2 -DEFINE_COMPILERRT_FUNCTION(__adddf3vfp) - vmov d6, r0, r1 // move first param from r0/r1 pair into d6 - vmov d7, r2, r3 // move second param from r2/r3 pair into d7 - vadd.f64 d6, d6, d7 - vmov r0, r1, d6 // move result back to r0/r1 pair - bx lr -END_COMPILERRT_FUNCTION(__adddf3vfp) diff --git a/compiler-rt/lib/arm/addsf3vfp.S b/compiler-rt/lib/arm/addsf3vfp.S deleted file mode 100644 index 316328abe69..00000000000 --- a/compiler-rt/lib/arm/addsf3vfp.S +++ /dev/null @@ -1,26 +0,0 @@ -//===-- addsf3vfp.S - Implement addsf3vfp ---------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern float __addsf3vfp(float a, float b); -// -// Adds two single precision floating point numbers using the Darwin -// calling convention where single arguments are passsed in GPRs -// - .syntax unified - .align 2 -DEFINE_COMPILERRT_FUNCTION(__addsf3vfp) - vmov s14, r0 // move first param from r0 into float register - vmov s15, r1 // move second param from r1 into float register - vadd.f32 s14, s14, s15 - vmov r0, s14 // move result back to r0 - bx lr -END_COMPILERRT_FUNCTION(__addsf3vfp) diff --git a/compiler-rt/lib/arm/aeabi_dcmp.S b/compiler-rt/lib/arm/aeabi_dcmp.S deleted file mode 100644 index ee2946d2d55..00000000000 --- a/compiler-rt/lib/arm/aeabi_dcmp.S +++ /dev/null @@ -1,40 +0,0 @@ -//===-- aeabi_dcmp.S - EABI dcmp* implementation ---------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// int __aeabi_dcmp{eq,lt,le,ge,gt}(double a, double b) { -// int result = __{eq,lt,le,ge,gt}df2(a, b); -// if (result {==,<,<=,>=,>} 0) { -// return 1; -// } else { -// return 0; -// } -// } - -#define DEFINE_AEABI_DCMP(cond) \ - .syntax unified SEPARATOR \ - .align 2 SEPARATOR \ -DEFINE_COMPILERRT_FUNCTION(__aeabi_dcmp ## cond) \ - push { r4, lr } SEPARATOR \ - bl SYMBOL_NAME(__ ## cond ## df2) SEPARATOR \ - cmp r0, #0 SEPARATOR \ - b ## cond 1f SEPARATOR \ - mov r0, #0 SEPARATOR \ - pop { r4, pc } SEPARATOR \ -1: SEPARATOR \ - mov r0, #1 SEPARATOR \ - pop { r4, pc } SEPARATOR \ -END_COMPILERRT_FUNCTION(__aeabi_dcmp ## cond) - -DEFINE_AEABI_DCMP(eq) -DEFINE_AEABI_DCMP(lt) -DEFINE_AEABI_DCMP(le) -DEFINE_AEABI_DCMP(ge) -DEFINE_AEABI_DCMP(gt) diff --git a/compiler-rt/lib/arm/aeabi_fcmp.S b/compiler-rt/lib/arm/aeabi_fcmp.S deleted file mode 100644 index ac3f54721f7..00000000000 --- a/compiler-rt/lib/arm/aeabi_fcmp.S +++ /dev/null @@ -1,40 +0,0 @@ -//===-- aeabi_fcmp.S - EABI fcmp* implementation ---------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// int __aeabi_fcmp{eq,lt,le,ge,gt}(float a, float b) { -// int result = __{eq,lt,le,ge,gt}sf2(a, b); -// if (result {==,<,<=,>=,>} 0) { -// return 1; -// } else { -// return 0; -// } -// } - -#define DEFINE_AEABI_FCMP(cond) \ - .syntax unified SEPARATOR \ - .align 2 SEPARATOR \ -DEFINE_COMPILERRT_FUNCTION(__aeabi_fcmp ## cond) \ - push { r4, lr } SEPARATOR \ - bl SYMBOL_NAME(__ ## cond ## sf2) SEPARATOR \ - cmp r0, #0 SEPARATOR \ - b ## cond 1f SEPARATOR \ - mov r0, #0 SEPARATOR \ - pop { r4, pc } SEPARATOR \ -1: SEPARATOR \ - mov r0, #1 SEPARATOR \ - pop { r4, pc } SEPARATOR \ -END_COMPILERRT_FUNCTION(__aeabi_fcmp ## cond) - -DEFINE_AEABI_FCMP(eq) -DEFINE_AEABI_FCMP(lt) -DEFINE_AEABI_FCMP(le) -DEFINE_AEABI_FCMP(ge) -DEFINE_AEABI_FCMP(gt) diff --git a/compiler-rt/lib/arm/aeabi_idivmod.S b/compiler-rt/lib/arm/aeabi_idivmod.S deleted file mode 100644 index ac5dfcc22be..00000000000 --- a/compiler-rt/lib/arm/aeabi_idivmod.S +++ /dev/null @@ -1,28 +0,0 @@ -//===-- aeabi_idivmod.S - EABI idivmod implementation ---------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// struct { int quot, int rem} __aeabi_idivmod(int numerator, int denominator) { -// int rem, quot; -// quot = __divmodsi4(numerator, denominator, &rem); -// return {quot, rem}; -// } - - .syntax unified - .align 2 -DEFINE_COMPILERRT_FUNCTION(__aeabi_idivmod) - push { lr } - sub sp, sp, #4 - mov r2, sp - bl SYMBOL_NAME(__divmodsi4) - ldr r1, [sp] - add sp, sp, #4 - pop { pc } -END_COMPILERRT_FUNCTION(__aeabi_idivmod) diff --git a/compiler-rt/lib/arm/aeabi_ldivmod.S b/compiler-rt/lib/arm/aeabi_ldivmod.S deleted file mode 100644 index 68425257141..00000000000 --- a/compiler-rt/lib/arm/aeabi_ldivmod.S +++ /dev/null @@ -1,31 +0,0 @@ -//===-- aeabi_ldivmod.S - EABI ldivmod implementation ---------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// struct { int64_t quot, int64_t rem} -// __aeabi_ldivmod(int64_t numerator, int64_t denominator) { -// int64_t rem, quot; -// quot = __divmoddi4(numerator, denominator, &rem); -// return {quot, rem}; -// } - - .syntax unified - .align 2 -DEFINE_COMPILERRT_FUNCTION(__aeabi_ldivmod) - push {r11, lr} - sub sp, sp, #16 - add r12, sp, #8 - str r12, [sp] - bl SYMBOL_NAME(__divmoddi4) - ldr r2, [sp, #8] - ldr r3, [sp, #12] - add sp, sp, #16 - pop {r11, pc} -END_COMPILERRT_FUNCTION(__aeabi_ldivmod) diff --git a/compiler-rt/lib/arm/aeabi_memcmp.S b/compiler-rt/lib/arm/aeabi_memcmp.S deleted file mode 100644 index fc20825f475..00000000000 --- a/compiler-rt/lib/arm/aeabi_memcmp.S +++ /dev/null @@ -1,20 +0,0 @@ -//===-- aeabi_memcmp.S - EABI memcmp implementation -----------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// void __aeabi_memcmp(void *dest, void *src, size_t n) { memcmp(dest, src, n); } - - .align 2 -DEFINE_COMPILERRT_FUNCTION(__aeabi_memcmp) - b memcmp -END_COMPILERRT_FUNCTION(__aeabi_memcmp) - -DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memcmp4, __aeabi_memcmp) -DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memcmp8, __aeabi_memcmp) diff --git a/compiler-rt/lib/arm/aeabi_memcpy.S b/compiler-rt/lib/arm/aeabi_memcpy.S deleted file mode 100644 index f6184632ed9..00000000000 --- a/compiler-rt/lib/arm/aeabi_memcpy.S +++ /dev/null @@ -1,20 +0,0 @@ -//===-- aeabi_memcpy.S - EABI memcpy implementation -----------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// void __aeabi_memcpy(void *dest, void *src, size_t n) { memcpy(dest, src, n); } - - .align 2 -DEFINE_COMPILERRT_FUNCTION(__aeabi_memcpy) - b memcpy -END_COMPILERRT_FUNCTION(__aeabi_memcpy) - -DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memcpy4, __aeabi_memcpy) -DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memcpy8, __aeabi_memcpy) diff --git a/compiler-rt/lib/arm/aeabi_memmove.S b/compiler-rt/lib/arm/aeabi_memmove.S deleted file mode 100644 index f3d6b0e1ab8..00000000000 --- a/compiler-rt/lib/arm/aeabi_memmove.S +++ /dev/null @@ -1,20 +0,0 @@ -//===-- aeabi_memmove.S - EABI memmove implementation --------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===---------------------------------------------------------------------===// - -#include "../assembly.h" - -// void __aeabi_memmove(void *dest, void *src, size_t n) { memmove(dest, src, n); } - - .align 2 -DEFINE_COMPILERRT_FUNCTION(__aeabi_memmove) - b memmove -END_COMPILERRT_FUNCTION(__aeabi_memmove) - -DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memmove4, __aeabi_memmove) -DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memmove8, __aeabi_memmove) diff --git a/compiler-rt/lib/arm/aeabi_memset.S b/compiler-rt/lib/arm/aeabi_memset.S deleted file mode 100644 index 43c085e2665..00000000000 --- a/compiler-rt/lib/arm/aeabi_memset.S +++ /dev/null @@ -1,34 +0,0 @@ -//===-- aeabi_memset.S - EABI memset implementation -----------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// void __aeabi_memset(void *dest, size_t n, int c) { memset(dest, c, n); } -// void __aeabi_memclr(void *dest, size_t n) { __aeabi_memset(dest, n, 0); } - - .align 2 -DEFINE_COMPILERRT_FUNCTION(__aeabi_memset) - mov r3, r1 - mov r1, r2 - mov r2, r3 - b memset -END_COMPILERRT_FUNCTION(__aeabi_memset) - -DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memset4, __aeabi_memset) -DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memset8, __aeabi_memset) - -DEFINE_COMPILERRT_FUNCTION(__aeabi_memclr) - mov r2, r1 - mov r1, #0 - b memset -END_COMPILERRT_FUNCTION(__aeabi_memclr) - -DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memclr4, __aeabi_memclr) -DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memclr8, __aeabi_memclr) - diff --git a/compiler-rt/lib/arm/aeabi_uidivmod.S b/compiler-rt/lib/arm/aeabi_uidivmod.S deleted file mode 100644 index 4c1e818cb3d..00000000000 --- a/compiler-rt/lib/arm/aeabi_uidivmod.S +++ /dev/null @@ -1,29 +0,0 @@ -//===-- aeabi_uidivmod.S - EABI uidivmod implementation -------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// struct { unsigned quot, unsigned rem} -// __aeabi_uidivmod(unsigned numerator, unsigned denominator) { -// unsigned rem, quot; -// quot = __udivmodsi4(numerator, denominator, &rem); -// return {quot, rem}; -// } - - .syntax unified - .align 2 -DEFINE_COMPILERRT_FUNCTION(__aeabi_uidivmod) - push { lr } - sub sp, sp, #4 - mov r2, sp - bl SYMBOL_NAME(__udivmodsi4) - ldr r1, [sp] - add sp, sp, #4 - pop { pc } -END_COMPILERRT_FUNCTION(__aeabi_uidivmod) diff --git a/compiler-rt/lib/arm/aeabi_uldivmod.S b/compiler-rt/lib/arm/aeabi_uldivmod.S deleted file mode 100644 index 62a2113cc2b..00000000000 --- a/compiler-rt/lib/arm/aeabi_uldivmod.S +++ /dev/null @@ -1,31 +0,0 @@ -//===-- aeabi_uldivmod.S - EABI uldivmod implementation -------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// struct { uint64_t quot, uint64_t rem} -// __aeabi_uldivmod(uint64_t numerator, uint64_t denominator) { -// uint64_t rem, quot; -// quot = __udivmoddi4(numerator, denominator, &rem); -// return {quot, rem}; -// } - - .syntax unified - .align 2 -DEFINE_COMPILERRT_FUNCTION(__aeabi_uldivmod) - push {r11, lr} - sub sp, sp, #16 - add r12, sp, #8 - str r12, [sp] - bl SYMBOL_NAME(__udivmoddi4) - ldr r2, [sp, #8] - ldr r3, [sp, #12] - add sp, sp, #16 - pop {r11, pc} -END_COMPILERRT_FUNCTION(__aeabi_uldivmod) diff --git a/compiler-rt/lib/arm/bswapdi2.S b/compiler-rt/lib/arm/bswapdi2.S deleted file mode 100644 index c6e1b79c608..00000000000 --- a/compiler-rt/lib/arm/bswapdi2.S +++ /dev/null @@ -1,37 +0,0 @@ -//===------- bswapdi2 - Implement bswapdi2 --------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern uint64_t __bswapdi2(uint64_t); -// -// Reverse all the bytes in a 64-bit integer. -// -.align 2 -DEFINE_COMPILERRT_FUNCTION(__bswapdi2) -#if __ARM_ARCH < 6 - // before armv6 does not have "rev" instruction - // r2 = rev(r0) - eor r2, r0, r0, ror #16 - bic r2, r2, #0xff0000 - mov r2, r2, lsr #8 - eor r2, r2, r0, ror #8 - // r0 = rev(r1) - eor r0, r1, r1, ror #16 - bic r0, r0, #0xff0000 - mov r0, r0, lsr #8 - eor r0, r0, r1, ror #8 -#else - rev r2, r0 // r2 = rev(r0) - rev r0, r1 // r0 = rev(r1) -#endif - mov r1, r2 // r1 = r2 = rev(r0) - JMP(lr) -END_COMPILERRT_FUNCTION(__bswapdi2) diff --git a/compiler-rt/lib/arm/bswapsi2.S b/compiler-rt/lib/arm/bswapsi2.S deleted file mode 100644 index 5842da263d2..00000000000 --- a/compiler-rt/lib/arm/bswapsi2.S +++ /dev/null @@ -1,29 +0,0 @@ -//===------- bswapsi2 - Implement bswapsi2 --------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern uint32_t __bswapsi2(uint32_t); -// -// Reverse all the bytes in a 32-bit integer. -// -.align 2 -DEFINE_COMPILERRT_FUNCTION(__bswapsi2) -#if __ARM_ARCH < 6 - // before armv6 does not have "rev" instruction - eor r1, r0, r0, ror #16 - bic r1, r1, #0xff0000 - mov r1, r1, lsr #8 - eor r0, r1, r0, ror #8 -#else - rev r0, r0 -#endif - JMP(lr) -END_COMPILERRT_FUNCTION(__bswapsi2) diff --git a/compiler-rt/lib/arm/clzdi2.S b/compiler-rt/lib/arm/clzdi2.S deleted file mode 100644 index 33284cd3af2..00000000000 --- a/compiler-rt/lib/arm/clzdi2.S +++ /dev/null @@ -1,89 +0,0 @@ -/* ===-- clzdi2.c - Implement __clzdi2 -------------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements count leading zeros for 64bit arguments. - * - * ===----------------------------------------------------------------------=== - */ -#include "../assembly.h" - - .syntax unified - - .text - .align 2 -DEFINE_COMPILERRT_FUNCTION(__clzdi2) -#ifdef __ARM_FEATURE_CLZ -#ifdef __ARMEB__ - cmp r0, 0 - itee ne - clzne r0, r0 - clzeq r0, r1 - addeq r0, r0, 32 -#else - cmp r1, 0 - itee ne - clzne r0, r1 - clzeq r0, r0 - addeq r0, r0, 32 -#endif - JMP(lr) -#else - /* Assumption: n != 0 */ - - /* - * r0: n - * r1: upper half of n, overwritten after check - * r1: count of leading zeros in n + 1 - * r2: scratch register for shifted r0 - */ -#ifdef __ARMEB__ - cmp r0, 0 - moveq r0, r1 -#else - cmp r1, 0 - movne r0, r1 -#endif - movne r1, 1 - moveq r1, 33 - - /* - * Basic block: - * if ((r0 >> SHIFT) == 0) - * r1 += SHIFT; - * else - * r0 >>= SHIFT; - * for descending powers of two as SHIFT. - */ -#define BLOCK(shift) \ - lsrs r2, r0, shift; \ - movne r0, r2; \ - addeq r1, shift \ - - BLOCK(16) - BLOCK(8) - BLOCK(4) - BLOCK(2) - - /* - * The basic block invariants at this point are (r0 >> 2) == 0 and - * r0 != 0. This means 1 <= r0 <= 3 and 0 <= (r0 >> 1) <= 1. - * - * r0 | (r0 >> 1) == 0 | (r0 >> 1) == 1 | -(r0 >> 1) | 1 - (r0 >> 1) - * ---+----------------+----------------+------------+-------------- - * 1 | 1 | 0 | 0 | 1 - * 2 | 0 | 1 | -1 | 0 - * 3 | 0 | 1 | -1 | 0 - * - * The r1's initial value of 1 compensates for the 1 here. - */ - sub r0, r1, r0, lsr #1 - - JMP(lr) -#endif // __ARM_FEATURE_CLZ -END_COMPILERRT_FUNCTION(__clzdi2) diff --git a/compiler-rt/lib/arm/clzsi2.S b/compiler-rt/lib/arm/clzsi2.S deleted file mode 100644 index 8081d3284b8..00000000000 --- a/compiler-rt/lib/arm/clzsi2.S +++ /dev/null @@ -1,69 +0,0 @@ -/* ===-- clzsi2.c - Implement __clzsi2 -------------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements count leading zeros for 32bit arguments. - * - * ===----------------------------------------------------------------------=== - */ -#include "../assembly.h" - - .syntax unified - - .text - .align 2 -DEFINE_COMPILERRT_FUNCTION(__clzsi2) -#ifdef __ARM_FEATURE_CLZ - clz r0, r0 - JMP(lr) -#else - /* Assumption: n != 0 */ - - /* - * r0: n - * r1: count of leading zeros in n + 1 - * r2: scratch register for shifted r0 - */ - mov r1, 1 - - /* - * Basic block: - * if ((r0 >> SHIFT) == 0) - * r1 += SHIFT; - * else - * r0 >>= SHIFT; - * for descending powers of two as SHIFT. - */ - -#define BLOCK(shift) \ - lsrs r2, r0, shift; \ - movne r0, r2; \ - addeq r1, shift \ - - BLOCK(16) - BLOCK(8) - BLOCK(4) - BLOCK(2) - - /* - * The basic block invariants at this point are (r0 >> 2) == 0 and - * r0 != 0. This means 1 <= r0 <= 3 and 0 <= (r0 >> 1) <= 1. - * - * r0 | (r0 >> 1) == 0 | (r0 >> 1) == 1 | -(r0 >> 1) | 1 - (r0 >> 1) - * ---+----------------+----------------+------------+-------------- - * 1 | 1 | 0 | 0 | 1 - * 2 | 0 | 1 | -1 | 0 - * 3 | 0 | 1 | -1 | 0 - * - * The r1's initial value of 1 compensates for the 1 here. - */ - sub r0, r1, r0, lsr #1 - - JMP(lr) -#endif // __ARM_FEATURE_CLZ -END_COMPILERRT_FUNCTION(__clzsi2) diff --git a/compiler-rt/lib/arm/comparesf2.S b/compiler-rt/lib/arm/comparesf2.S deleted file mode 100644 index ad1b10a7fd3..00000000000 --- a/compiler-rt/lib/arm/comparesf2.S +++ /dev/null @@ -1,148 +0,0 @@ -//===-- comparesf2.S - Implement single-precision soft-float comparisons --===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements the following soft-fp_t comparison routines: -// -// __eqsf2 __gesf2 __unordsf2 -// __lesf2 __gtsf2 -// __ltsf2 -// __nesf2 -// -// The semantics of the routines grouped in each column are identical, so there -// is a single implementation for each, with multiple names. -// -// The routines behave as follows: -// -// __lesf2(a,b) returns -1 if a < b -// 0 if a == b -// 1 if a > b -// 1 if either a or b is NaN -// -// __gesf2(a,b) returns -1 if a < b -// 0 if a == b -// 1 if a > b -// -1 if either a or b is NaN -// -// __unordsf2(a,b) returns 0 if both a and b are numbers -// 1 if either a or b is NaN -// -// Note that __lesf2( ) and __gesf2( ) are identical except in their handling of -// NaN values. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" -.syntax unified - -.align 2 -DEFINE_COMPILERRT_FUNCTION(__eqsf2) - // Make copies of a and b with the sign bit shifted off the top. These will - // be used to detect zeros and NaNs. - mov r2, r0, lsl #1 - mov r3, r1, lsl #1 - - // We do the comparison in three stages (ignoring NaN values for the time - // being). First, we orr the absolute values of a and b; this sets the Z - // flag if both a and b are zero (of either sign). The shift of r3 doesn't - // effect this at all, but it *does* make sure that the C flag is clear for - // the subsequent operations. - orrs r12, r2, r3, lsr #1 - - // Next, we check if a and b have the same or different signs. If they have - // opposite signs, this eor will set the N flag. - it ne - eorsne r12, r0, r1 - - // If a and b are equal (either both zeros or bit identical; again, we're - // ignoring NaNs for now), this subtract will zero out r0. If they have the - // same sign, the flags are updated as they would be for a comparison of the - // absolute values of a and b. - it pl - subspl r0, r2, r3 - - // If a is smaller in magnitude than b and both have the same sign, place - // the negation of the sign of b in r0. Thus, if both are negative and - // a > b, this sets r0 to 0; if both are positive and a < b, this sets - // r0 to -1. - // - // This is also done if a and b have opposite signs and are not both zero, - // because in that case the subtract was not performed and the C flag is - // still clear from the shift argument in orrs; if a is positive and b - // negative, this places 0 in r0; if a is negative and b positive, -1 is - // placed in r0. - it lo - mvnlo r0, r1, asr #31 - - // If a is greater in magnitude than b and both have the same sign, place - // the sign of b in r0. Thus, if both are negative and a < b, -1 is placed - // in r0, which is the desired result. Conversely, if both are positive - // and a > b, zero is placed in r0. - it hi - movhi r0, r1, asr #31 - - // If you've been keeping track, at this point r0 contains -1 if a < b and - // 0 if a >= b. All that remains to be done is to set it to 1 if a > b. - // If a == b, then the Z flag is set, so we can get the correct final value - // into r0 by simply or'ing with 1 if Z is clear. - it ne - orrne r0, r0, #1 - - // Finally, we need to deal with NaNs. If either argument is NaN, replace - // the value in r0 with 1. - cmp r2, #0xff000000 - ite ls - cmpls r3, #0xff000000 - movhi r0, #1 - JMP(lr) -END_COMPILERRT_FUNCTION(__eqsf2) -DEFINE_COMPILERRT_FUNCTION_ALIAS(__lesf2, __eqsf2) -DEFINE_COMPILERRT_FUNCTION_ALIAS(__ltsf2, __eqsf2) -DEFINE_COMPILERRT_FUNCTION_ALIAS(__nesf2, __eqsf2) - -.align 2 -DEFINE_COMPILERRT_FUNCTION(__gtsf2) - // Identical to the preceeding except in that we return -1 for NaN values. - // Given that the two paths share so much code, one might be tempted to - // unify them; however, the extra code needed to do so makes the code size - // to performance tradeoff very hard to justify for such small functions. - mov r2, r0, lsl #1 - mov r3, r1, lsl #1 - orrs r12, r2, r3, lsr #1 - it ne - eorsne r12, r0, r1 - it pl - subspl r0, r2, r3 - it lo - mvnlo r0, r1, asr #31 - it hi - movhi r0, r1, asr #31 - it ne - orrne r0, r0, #1 - cmp r2, #0xff000000 - ite ls - cmpls r3, #0xff000000 - movhi r0, #-1 - JMP(lr) -END_COMPILERRT_FUNCTION(__gtsf2) -DEFINE_COMPILERRT_FUNCTION_ALIAS(__gesf2, __gtsf2) - -.align 2 -DEFINE_COMPILERRT_FUNCTION(__unordsf2) - // Return 1 for NaN values, 0 otherwise. - mov r2, r0, lsl #1 - mov r3, r1, lsl #1 - mov r0, #0 - cmp r2, #0xff000000 - ite ls - cmpls r3, #0xff000000 - movhi r0, #1 - JMP(lr) -END_COMPILERRT_FUNCTION(__unordsf2) - -DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_fcmpun, __unordsf2) diff --git a/compiler-rt/lib/arm/divdf3vfp.S b/compiler-rt/lib/arm/divdf3vfp.S deleted file mode 100644 index ec2f9972124..00000000000 --- a/compiler-rt/lib/arm/divdf3vfp.S +++ /dev/null @@ -1,26 +0,0 @@ -//===-- divdf3vfp.S - Implement divdf3vfp ---------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern double __divdf3vfp(double a, double b); -// -// Divides two double precision floating point numbers using the Darwin -// calling convention where double arguments are passsed in GPR pairs -// - .syntax unified - .align 2 -DEFINE_COMPILERRT_FUNCTION(__divdf3vfp) - vmov d6, r0, r1 // move first param from r0/r1 pair into d6 - vmov d7, r2, r3 // move second param from r2/r3 pair into d7 - vdiv.f64 d5, d6, d7 - vmov r0, r1, d5 // move result back to r0/r1 pair - bx lr -END_COMPILERRT_FUNCTION(__divdf3vfp) diff --git a/compiler-rt/lib/arm/divmodsi4.S b/compiler-rt/lib/arm/divmodsi4.S deleted file mode 100644 index 24e3657dd38..00000000000 --- a/compiler-rt/lib/arm/divmodsi4.S +++ /dev/null @@ -1,61 +0,0 @@ -/*===-- divmodsi4.S - 32-bit signed integer divide and modulus ------------===// - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - *===----------------------------------------------------------------------===// - * - * This file implements the __divmodsi4 (32-bit signed integer divide and - * modulus) function for the ARM architecture. A naive digit-by-digit - * computation is employed for simplicity. - * - *===----------------------------------------------------------------------===*/ - -#include "../assembly.h" - -#define ESTABLISH_FRAME \ - push {r4-r7, lr} ;\ - add r7, sp, #12 -#define CLEAR_FRAME_AND_RETURN \ - pop {r4-r7, pc} - -.syntax unified -.align 3 -DEFINE_COMPILERRT_FUNCTION(__divmodsi4) -#if __ARM_ARCH_EXT_IDIV__ - tst r1, r1 - beq LOCAL_LABEL(divzero) - mov r3, r0 - sdiv r0, r3, r1 - mls r1, r0, r1, r3 - str r1, [r2] - bx lr -LOCAL_LABEL(divzero): - mov r0, #0 - bx lr -#else - ESTABLISH_FRAME -// Set aside the sign of the quotient and modulus, and the address for the -// modulus. - eor r4, r0, r1 - mov r5, r0 - mov r6, r2 -// Take the absolute value of a and b via abs(x) = (x^(x >> 31)) - (x >> 31). - eor ip, r0, r0, asr #31 - eor lr, r1, r1, asr #31 - sub r0, ip, r0, asr #31 - sub r1, lr, r1, asr #31 -// Unsigned divmod: - bl SYMBOL_NAME(__udivmodsi4) -// Apply the sign of quotient and modulus - ldr r1, [r6] - eor r0, r0, r4, asr #31 - eor r1, r1, r5, asr #31 - sub r0, r0, r4, asr #31 - sub r1, r1, r5, asr #31 - str r1, [r6] - CLEAR_FRAME_AND_RETURN -#endif -END_COMPILERRT_FUNCTION(__divmodsi4) diff --git a/compiler-rt/lib/arm/divsf3vfp.S b/compiler-rt/lib/arm/divsf3vfp.S deleted file mode 100644 index a4e2f814867..00000000000 --- a/compiler-rt/lib/arm/divsf3vfp.S +++ /dev/null @@ -1,26 +0,0 @@ -//===-- divsf3vfp.S - Implement divsf3vfp ---------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern float __divsf3vfp(float a, float b); -// -// Divides two single precision floating point numbers using the Darwin -// calling convention where single arguments are passsed like 32-bit ints. -// - .syntax unified - .align 2 -DEFINE_COMPILERRT_FUNCTION(__divsf3vfp) - vmov s14, r0 // move first param from r0 into float register - vmov s15, r1 // move second param from r1 into float register - vdiv.f32 s13, s14, s15 - vmov r0, s13 // move result back to r0 - bx lr -END_COMPILERRT_FUNCTION(__divsf3vfp) diff --git a/compiler-rt/lib/arm/divsi3.S b/compiler-rt/lib/arm/divsi3.S deleted file mode 100644 index 76b67935265..00000000000 --- a/compiler-rt/lib/arm/divsi3.S +++ /dev/null @@ -1,52 +0,0 @@ -/*===-- divsi3.S - 32-bit signed integer divide ---------------------------===// - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - *===----------------------------------------------------------------------===// - * - * This file implements the __divsi3 (32-bit signed integer divide) function - * for the ARM architecture as a wrapper around the unsigned routine. - * - *===----------------------------------------------------------------------===*/ - -#include "../assembly.h" - -#define ESTABLISH_FRAME \ - push {r4, r7, lr} ;\ - add r7, sp, #4 -#define CLEAR_FRAME_AND_RETURN \ - pop {r4, r7, pc} - -.syntax unified -.align 3 -// Ok, APCS and AAPCS agree on 32 bit args, so it's safe to use the same routine. -DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_idiv, __divsi3) -DEFINE_COMPILERRT_FUNCTION(__divsi3) -#if __ARM_ARCH_EXT_IDIV__ - tst r1,r1 - beq LOCAL_LABEL(divzero) - sdiv r0, r0, r1 - bx lr -LOCAL_LABEL(divzero): - mov r0,#0 - bx lr -#else -ESTABLISH_FRAME -// Set aside the sign of the quotient. - eor r4, r0, r1 -// Take absolute value of a and b via abs(x) = (x^(x >> 31)) - (x >> 31). - eor r2, r0, r0, asr #31 - eor r3, r1, r1, asr #31 - sub r0, r2, r0, asr #31 - sub r1, r3, r1, asr #31 -// abs(a) / abs(b) - bl SYMBOL_NAME(__udivsi3) -// Apply sign of quotient to result and return. - eor r0, r0, r4, asr #31 - sub r0, r0, r4, asr #31 - CLEAR_FRAME_AND_RETURN -#endif -END_COMPILERRT_FUNCTION(__divsi3) diff --git a/compiler-rt/lib/arm/eqdf2vfp.S b/compiler-rt/lib/arm/eqdf2vfp.S deleted file mode 100644 index 198d42278e0..00000000000 --- a/compiler-rt/lib/arm/eqdf2vfp.S +++ /dev/null @@ -1,29 +0,0 @@ -//===-- eqdf2vfp.S - Implement eqdf2vfp -----------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern int __eqdf2vfp(double a, double b); -// -// Returns one iff a == b and neither is NaN. -// Uses Darwin calling convention where double precision arguments are passsed -// like in GPR pairs. -// - .syntax unified - .align 2 -DEFINE_COMPILERRT_FUNCTION(__eqdf2vfp) - vmov d6, r0, r1 // load r0/r1 pair in double register - vmov d7, r2, r3 // load r2/r3 pair in double register - vcmp.f64 d6, d7 - vmrs apsr_nzcv, fpscr - moveq r0, #1 // set result register to 1 if equal - movne r0, #0 - bx lr -END_COMPILERRT_FUNCTION(__eqdf2vfp) diff --git a/compiler-rt/lib/arm/eqsf2vfp.S b/compiler-rt/lib/arm/eqsf2vfp.S deleted file mode 100644 index 395187f47bf..00000000000 --- a/compiler-rt/lib/arm/eqsf2vfp.S +++ /dev/null @@ -1,29 +0,0 @@ -//===-- eqsf2vfp.S - Implement eqsf2vfp -----------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern int __eqsf2vfp(float a, float b); -// -// Returns one iff a == b and neither is NaN. -// Uses Darwin calling convention where single precision arguments are passsed -// like 32-bit ints -// - .syntax unified - .align 2 -DEFINE_COMPILERRT_FUNCTION(__eqsf2vfp) - vmov s14, r0 // move from GPR 0 to float register - vmov s15, r1 // move from GPR 1 to float register - vcmp.f32 s14, s15 - vmrs apsr_nzcv, fpscr - moveq r0, #1 // set result register to 1 if equal - movne r0, #0 - bx lr -END_COMPILERRT_FUNCTION(__eqsf2vfp) diff --git a/compiler-rt/lib/arm/extendsfdf2vfp.S b/compiler-rt/lib/arm/extendsfdf2vfp.S deleted file mode 100644 index ba31f3e0c5b..00000000000 --- a/compiler-rt/lib/arm/extendsfdf2vfp.S +++ /dev/null @@ -1,26 +0,0 @@ -//===-- extendsfdf2vfp.S - Implement extendsfdf2vfp -----------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern double __extendsfdf2vfp(float a); -// -// Converts single precision float to double precision result. -// Uses Darwin calling convention where a single precision parameter is -// passed in a GPR and a double precision result is returned in R0/R1 pair. -// - .syntax unified - .align 2 -DEFINE_COMPILERRT_FUNCTION(__extendsfdf2vfp) - vmov s15, r0 // load float register from R0 - vcvt.f64.f32 d7, s15 // convert single to double - vmov r0, r1, d7 // return result in r0/r1 pair - bx lr -END_COMPILERRT_FUNCTION(__extendsfdf2vfp) diff --git a/compiler-rt/lib/arm/fixdfsivfp.S b/compiler-rt/lib/arm/fixdfsivfp.S deleted file mode 100644 index 26adbe3899b..00000000000 --- a/compiler-rt/lib/arm/fixdfsivfp.S +++ /dev/null @@ -1,26 +0,0 @@ -//===-- fixdfsivfp.S - Implement fixdfsivfp -----------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern int __fixdfsivfp(double a); -// -// Converts double precision float to a 32-bit int rounding towards zero. -// Uses Darwin calling convention where a double precision parameter is -// passed in GPR register pair. -// - .syntax unified - .align 2 -DEFINE_COMPILERRT_FUNCTION(__fixdfsivfp) - vmov d7, r0, r1 // load double register from R0/R1 - vcvt.s32.f64 s15, d7 // convert double to 32-bit int into s15 - vmov r0, s15 // move s15 to result register - bx lr -END_COMPILERRT_FUNCTION(__fixdfsivfp) diff --git a/compiler-rt/lib/arm/fixsfsivfp.S b/compiler-rt/lib/arm/fixsfsivfp.S deleted file mode 100644 index c1e0dadb7b3..00000000000 --- a/compiler-rt/lib/arm/fixsfsivfp.S +++ /dev/null @@ -1,26 +0,0 @@ -//===-- fixsfsivfp.S - Implement fixsfsivfp -----------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern int __fixsfsivfp(float a); -// -// Converts single precision float to a 32-bit int rounding towards zero. -// Uses Darwin calling convention where a single precision parameter is -// passed in a GPR.. -// - .syntax unified - .align 2 -DEFINE_COMPILERRT_FUNCTION(__fixsfsivfp) - vmov s15, r0 // load float register from R0 - vcvt.s32.f32 s15, s15 // convert single to 32-bit int into s15 - vmov r0, s15 // move s15 to result register - bx lr -END_COMPILERRT_FUNCTION(__fixsfsivfp) diff --git a/compiler-rt/lib/arm/fixunsdfsivfp.S b/compiler-rt/lib/arm/fixunsdfsivfp.S deleted file mode 100644 index fb91da752e3..00000000000 --- a/compiler-rt/lib/arm/fixunsdfsivfp.S +++ /dev/null @@ -1,27 +0,0 @@ -//===-- fixunsdfsivfp.S - Implement fixunsdfsivfp -------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern unsigned int __fixunsdfsivfp(double a); -// -// Converts double precision float to a 32-bit unsigned int rounding towards -// zero. All negative values become zero. -// Uses Darwin calling convention where a double precision parameter is -// passed in GPR register pair. -// - .syntax unified - .align 2 -DEFINE_COMPILERRT_FUNCTION(__fixunsdfsivfp) - vmov d7, r0, r1 // load double register from R0/R1 - vcvt.u32.f64 s15, d7 // convert double to 32-bit int into s15 - vmov r0, s15 // move s15 to result register - bx lr -END_COMPILERRT_FUNCTION(__fixunsdfsivfp) diff --git a/compiler-rt/lib/arm/fixunssfsivfp.S b/compiler-rt/lib/arm/fixunssfsivfp.S deleted file mode 100644 index f12dff61af5..00000000000 --- a/compiler-rt/lib/arm/fixunssfsivfp.S +++ /dev/null @@ -1,27 +0,0 @@ -//===-- fixunssfsivfp.S - Implement fixunssfsivfp -------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern unsigned int __fixunssfsivfp(float a); -// -// Converts single precision float to a 32-bit unsigned int rounding towards -// zero. All negative values become zero. -// Uses Darwin calling convention where a single precision parameter is -// passed in a GPR.. -// - .syntax unified - .align 2 -DEFINE_COMPILERRT_FUNCTION(__fixunssfsivfp) - vmov s15, r0 // load float register from R0 - vcvt.u32.f32 s15, s15 // convert single to 32-bit unsigned into s15 - vmov r0, s15 // move s15 to result register - bx lr -END_COMPILERRT_FUNCTION(__fixunssfsivfp) diff --git a/compiler-rt/lib/arm/floatsidfvfp.S b/compiler-rt/lib/arm/floatsidfvfp.S deleted file mode 100644 index ab48933b971..00000000000 --- a/compiler-rt/lib/arm/floatsidfvfp.S +++ /dev/null @@ -1,26 +0,0 @@ -//===-- floatsidfvfp.S - Implement floatsidfvfp ---------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern double __floatsidfvfp(int a); -// -// Converts a 32-bit int to a double precision float. -// Uses Darwin calling convention where a double precision result is -// return in GPR register pair. -// - .syntax unified - .align 2 -DEFINE_COMPILERRT_FUNCTION(__floatsidfvfp) - vmov s15, r0 // move int to float register s15 - vcvt.f64.s32 d7, s15 // convert 32-bit int in s15 to double in d7 - vmov r0, r1, d7 // move d7 to result register pair r0/r1 - bx lr -END_COMPILERRT_FUNCTION(__floatsidfvfp) diff --git a/compiler-rt/lib/arm/floatsisfvfp.S b/compiler-rt/lib/arm/floatsisfvfp.S deleted file mode 100644 index eb265e99025..00000000000 --- a/compiler-rt/lib/arm/floatsisfvfp.S +++ /dev/null @@ -1,26 +0,0 @@ -//===-- floatsisfvfp.S - Implement floatsisfvfp ---------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern float __floatsisfvfp(int a); -// -// Converts single precision float to a 32-bit int rounding towards zero. -// Uses Darwin calling convention where a single precision result is -// return in a GPR.. -// - .syntax unified - .align 2 -DEFINE_COMPILERRT_FUNCTION(__floatsisfvfp) - vmov s15, r0 // move int to float register s15 - vcvt.f32.s32 s15, s15 // convert 32-bit int in s15 to float in s15 - vmov r0, s15 // move s15 to result register - bx lr -END_COMPILERRT_FUNCTION(__floatsisfvfp) diff --git a/compiler-rt/lib/arm/floatunssidfvfp.S b/compiler-rt/lib/arm/floatunssidfvfp.S deleted file mode 100644 index 96e2eb21e49..00000000000 --- a/compiler-rt/lib/arm/floatunssidfvfp.S +++ /dev/null @@ -1,26 +0,0 @@ -//===-- floatunssidfvfp.S - Implement floatunssidfvfp ---------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern double __floatunssidfvfp(unsigned int a); -// -// Converts a 32-bit int to a double precision float. -// Uses Darwin calling convention where a double precision result is -// return in GPR register pair. -// - .syntax unified - .align 2 -DEFINE_COMPILERRT_FUNCTION(__floatunssidfvfp) - vmov s15, r0 // move int to float register s15 - vcvt.f64.u32 d7, s15 // convert 32-bit int in s15 to double in d7 - vmov r0, r1, d7 // move d7 to result register pair r0/r1 - bx lr -END_COMPILERRT_FUNCTION(__floatunssidfvfp) diff --git a/compiler-rt/lib/arm/floatunssisfvfp.S b/compiler-rt/lib/arm/floatunssisfvfp.S deleted file mode 100644 index 05471c4a5ff..00000000000 --- a/compiler-rt/lib/arm/floatunssisfvfp.S +++ /dev/null @@ -1,26 +0,0 @@ -//===-- floatunssisfvfp.S - Implement floatunssisfvfp ---------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern float __floatunssisfvfp(unsigned int a); -// -// Converts single precision float to a 32-bit int rounding towards zero. -// Uses Darwin calling convention where a single precision result is -// return in a GPR.. -// - .syntax unified - .align 2 -DEFINE_COMPILERRT_FUNCTION(__floatunssisfvfp) - vmov s15, r0 // move int to float register s15 - vcvt.f32.u32 s15, s15 // convert 32-bit int in s15 to float in s15 - vmov r0, s15 // move s15 to result register - bx lr -END_COMPILERRT_FUNCTION(__floatunssisfvfp) diff --git a/compiler-rt/lib/arm/gedf2vfp.S b/compiler-rt/lib/arm/gedf2vfp.S deleted file mode 100644 index aa636aa1429..00000000000 --- a/compiler-rt/lib/arm/gedf2vfp.S +++ /dev/null @@ -1,29 +0,0 @@ -//===-- gedf2vfp.S - Implement gedf2vfp -----------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern int __gedf2vfp(double a, double b); -// -// Returns one iff a >= b and neither is NaN. -// Uses Darwin calling convention where double precision arguments are passsed -// like in GPR pairs. -// - .syntax unified - .align 2 -DEFINE_COMPILERRT_FUNCTION(__gedf2vfp) - vmov d6, r0, r1 // load r0/r1 pair in double register - vmov d7, r2, r3 // load r2/r3 pair in double register - vcmp.f64 d6, d7 - vmrs apsr_nzcv, fpscr - movge r0, #1 // set result register to 1 if greater than or equal - movlt r0, #0 - bx lr -END_COMPILERRT_FUNCTION(__gedf2vfp) diff --git a/compiler-rt/lib/arm/gesf2vfp.S b/compiler-rt/lib/arm/gesf2vfp.S deleted file mode 100644 index 087ce15f1b0..00000000000 --- a/compiler-rt/lib/arm/gesf2vfp.S +++ /dev/null @@ -1,29 +0,0 @@ -//===-- gesf2vfp.S - Implement gesf2vfp -----------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern int __gesf2vfp(float a, float b); -// -// Returns one iff a >= b and neither is NaN. -// Uses Darwin calling convention where single precision arguments are passsed -// like 32-bit ints -// - .syntax unified - .align 2 -DEFINE_COMPILERRT_FUNCTION(__gesf2vfp) - vmov s14, r0 // move from GPR 0 to float register - vmov s15, r1 // move from GPR 1 to float register - vcmp.f32 s14, s15 - vmrs apsr_nzcv, fpscr - movge r0, #1 // set result register to 1 if greater than or equal - movlt r0, #0 - bx lr -END_COMPILERRT_FUNCTION(__gesf2vfp) diff --git a/compiler-rt/lib/arm/gtdf2vfp.S b/compiler-rt/lib/arm/gtdf2vfp.S deleted file mode 100644 index 230952a9f65..00000000000 --- a/compiler-rt/lib/arm/gtdf2vfp.S +++ /dev/null @@ -1,29 +0,0 @@ -//===-- gtdf2vfp.S - Implement gtdf2vfp -----------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern double __gtdf2vfp(double a, double b); -// -// Returns one iff a > b and neither is NaN. -// Uses Darwin calling convention where double precision arguments are passsed -// like in GPR pairs. -// - .syntax unified - .align 2 -DEFINE_COMPILERRT_FUNCTION(__gtdf2vfp) - vmov d6, r0, r1 // load r0/r1 pair in double register - vmov d7, r2, r3 // load r2/r3 pair in double register - vcmp.f64 d6, d7 - vmrs apsr_nzcv, fpscr - movgt r0, #1 // set result register to 1 if equal - movle r0, #0 - bx lr -END_COMPILERRT_FUNCTION(__gtdf2vfp) diff --git a/compiler-rt/lib/arm/gtsf2vfp.S b/compiler-rt/lib/arm/gtsf2vfp.S deleted file mode 100644 index c1f5db05325..00000000000 --- a/compiler-rt/lib/arm/gtsf2vfp.S +++ /dev/null @@ -1,29 +0,0 @@ -//===-- gtsf2vfp.S - Implement gtsf2vfp -----------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern int __gtsf2vfp(float a, float b); -// -// Returns one iff a > b and neither is NaN. -// Uses Darwin calling convention where single precision arguments are passsed -// like 32-bit ints -// - .syntax unified - .align 2 -DEFINE_COMPILERRT_FUNCTION(__gtsf2vfp) - vmov s14, r0 // move from GPR 0 to float register - vmov s15, r1 // move from GPR 1 to float register - vcmp.f32 s14, s15 - vmrs apsr_nzcv, fpscr - movgt r0, #1 // set result register to 1 if equal - movle r0, #0 - bx lr -END_COMPILERRT_FUNCTION(__gtsf2vfp) diff --git a/compiler-rt/lib/arm/ledf2vfp.S b/compiler-rt/lib/arm/ledf2vfp.S deleted file mode 100644 index 94980a2efd2..00000000000 --- a/compiler-rt/lib/arm/ledf2vfp.S +++ /dev/null @@ -1,29 +0,0 @@ -//===-- ledf2vfp.S - Implement ledf2vfp -----------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern double __ledf2vfp(double a, double b); -// -// Returns one iff a <= b and neither is NaN. -// Uses Darwin calling convention where double precision arguments are passsed -// like in GPR pairs. -// - .syntax unified - .align 2 -DEFINE_COMPILERRT_FUNCTION(__ledf2vfp) - vmov d6, r0, r1 // load r0/r1 pair in double register - vmov d7, r2, r3 // load r2/r3 pair in double register - vcmp.f64 d6, d7 - vmrs apsr_nzcv, fpscr - movls r0, #1 // set result register to 1 if equal - movhi r0, #0 - bx lr -END_COMPILERRT_FUNCTION(__ledf2vfp) diff --git a/compiler-rt/lib/arm/lesf2vfp.S b/compiler-rt/lib/arm/lesf2vfp.S deleted file mode 100644 index 362352a83aa..00000000000 --- a/compiler-rt/lib/arm/lesf2vfp.S +++ /dev/null @@ -1,29 +0,0 @@ -//===-- lesf2vfp.S - Implement lesf2vfp -----------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern int __lesf2vfp(float a, float b); -// -// Returns one iff a <= b and neither is NaN. -// Uses Darwin calling convention where single precision arguments are passsed -// like 32-bit ints -// - .syntax unified - .align 2 -DEFINE_COMPILERRT_FUNCTION(__lesf2vfp) - vmov s14, r0 // move from GPR 0 to float register - vmov s15, r1 // move from GPR 1 to float register - vcmp.f32 s14, s15 - vmrs apsr_nzcv, fpscr - movls r0, #1 // set result register to 1 if equal - movhi r0, #0 - bx lr -END_COMPILERRT_FUNCTION(__lesf2vfp) diff --git a/compiler-rt/lib/arm/ltdf2vfp.S b/compiler-rt/lib/arm/ltdf2vfp.S deleted file mode 100644 index 391ff2924f0..00000000000 --- a/compiler-rt/lib/arm/ltdf2vfp.S +++ /dev/null @@ -1,29 +0,0 @@ -//===-- ltdf2vfp.S - Implement ltdf2vfp -----------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern double __ltdf2vfp(double a, double b); -// -// Returns one iff a < b and neither is NaN. -// Uses Darwin calling convention where double precision arguments are passsed -// like in GPR pairs. -// - .syntax unified - .align 2 -DEFINE_COMPILERRT_FUNCTION(__ltdf2vfp) - vmov d6, r0, r1 // load r0/r1 pair in double register - vmov d7, r2, r3 // load r2/r3 pair in double register - vcmp.f64 d6, d7 - vmrs apsr_nzcv, fpscr - movmi r0, #1 // set result register to 1 if equal - movpl r0, #0 - bx lr -END_COMPILERRT_FUNCTION(__ltdf2vfp) diff --git a/compiler-rt/lib/arm/ltsf2vfp.S b/compiler-rt/lib/arm/ltsf2vfp.S deleted file mode 100644 index dcaa03561ff..00000000000 --- a/compiler-rt/lib/arm/ltsf2vfp.S +++ /dev/null @@ -1,29 +0,0 @@ -//===-- ltsf2vfp.S - Implement ltsf2vfp -----------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern int __ltsf2vfp(float a, float b); -// -// Returns one iff a < b and neither is NaN. -// Uses Darwin calling convention where single precision arguments are passsed -// like 32-bit ints -// - .syntax unified - .align 2 -DEFINE_COMPILERRT_FUNCTION(__ltsf2vfp) - vmov s14, r0 // move from GPR 0 to float register - vmov s15, r1 // move from GPR 1 to float register - vcmp.f32 s14, s15 - vmrs apsr_nzcv, fpscr - movmi r0, #1 // set result register to 1 if equal - movpl r0, #0 - bx lr -END_COMPILERRT_FUNCTION(__ltsf2vfp) diff --git a/compiler-rt/lib/arm/modsi3.S b/compiler-rt/lib/arm/modsi3.S deleted file mode 100644 index 07c5f9381ec..00000000000 --- a/compiler-rt/lib/arm/modsi3.S +++ /dev/null @@ -1,51 +0,0 @@ -/*===-- modsi3.S - 32-bit signed integer modulus --------------------------===// - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - *===----------------------------------------------------------------------===// - * - * This file implements the __modsi3 (32-bit signed integer modulus) function - * for the ARM architecture as a wrapper around the unsigned routine. - * - *===----------------------------------------------------------------------===*/ - -#include "../assembly.h" - -#define ESTABLISH_FRAME \ - push {r4, r7, lr} ;\ - add r7, sp, #4 -#define CLEAR_FRAME_AND_RETURN \ - pop {r4, r7, pc} - -.syntax unified -.align 3 -DEFINE_COMPILERRT_FUNCTION(__modsi3) -#if __ARM_ARCH_EXT_IDIV__ - tst r1, r1 - beq LOCAL_LABEL(divzero) - sdiv r2, r0, r1 - mls r0, r2, r1, r0 - bx lr -LOCAL_LABEL(divzero): - mov r0, #0 - bx lr -#else - ESTABLISH_FRAME - // Set aside the sign of the dividend. - mov r4, r0 - // Take absolute value of a and b via abs(x) = (x^(x >> 31)) - (x >> 31). - eor r2, r0, r0, asr #31 - eor r3, r1, r1, asr #31 - sub r0, r2, r0, asr #31 - sub r1, r3, r1, asr #31 - // abs(a) % abs(b) - bl SYMBOL_NAME(__umodsi3) - // Apply sign of dividend to result and return. - eor r0, r0, r4, asr #31 - sub r0, r0, r4, asr #31 - CLEAR_FRAME_AND_RETURN -#endif -END_COMPILERRT_FUNCTION(__modsi3) diff --git a/compiler-rt/lib/arm/muldf3vfp.S b/compiler-rt/lib/arm/muldf3vfp.S deleted file mode 100644 index 2c1d7037728..00000000000 --- a/compiler-rt/lib/arm/muldf3vfp.S +++ /dev/null @@ -1,26 +0,0 @@ -//===-- muldf3vfp.S - Implement muldf3vfp ---------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern double __muldf3vfp(double a, double b); -// -// Multiplies two double precision floating point numbers using the Darwin -// calling convention where double arguments are passsed in GPR pairs -// - .syntax unified - .align 2 -DEFINE_COMPILERRT_FUNCTION(__muldf3vfp) - vmov d6, r0, r1 // move first param from r0/r1 pair into d6 - vmov d7, r2, r3 // move second param from r2/r3 pair into d7 - vmul.f64 d6, d6, d7 - vmov r0, r1, d6 // move result back to r0/r1 pair - bx lr -END_COMPILERRT_FUNCTION(__muldf3vfp) diff --git a/compiler-rt/lib/arm/mulsf3vfp.S b/compiler-rt/lib/arm/mulsf3vfp.S deleted file mode 100644 index 98af81d2364..00000000000 --- a/compiler-rt/lib/arm/mulsf3vfp.S +++ /dev/null @@ -1,26 +0,0 @@ -//===-- mulsf3vfp.S - Implement mulsf3vfp ---------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern float __mulsf3vfp(float a, float b); -// -// Multiplies two single precision floating point numbers using the Darwin -// calling convention where single arguments are passsed like 32-bit ints. -// - .syntax unified - .align 2 -DEFINE_COMPILERRT_FUNCTION(__mulsf3vfp) - vmov s14, r0 // move first param from r0 into float register - vmov s15, r1 // move second param from r1 into float register - vmul.f32 s13, s14, s15 - vmov r0, s13 // move result back to r0 - bx lr -END_COMPILERRT_FUNCTION(__mulsf3vfp) diff --git a/compiler-rt/lib/arm/nedf2vfp.S b/compiler-rt/lib/arm/nedf2vfp.S deleted file mode 100644 index c1a832e1a61..00000000000 --- a/compiler-rt/lib/arm/nedf2vfp.S +++ /dev/null @@ -1,29 +0,0 @@ -//===-- nedf2vfp.S - Implement nedf2vfp -----------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern double __nedf2vfp(double a, double b); -// -// Returns zero if a and b are unequal and neither is NaN. -// Uses Darwin calling convention where double precision arguments are passsed -// like in GPR pairs. -// - .syntax unified - .align 2 -DEFINE_COMPILERRT_FUNCTION(__nedf2vfp) - vmov d6, r0, r1 // load r0/r1 pair in double register - vmov d7, r2, r3 // load r2/r3 pair in double register - vcmp.f64 d6, d7 - vmrs apsr_nzcv, fpscr - movne r0, #1 // set result register to 0 if unequal - moveq r0, #0 - bx lr -END_COMPILERRT_FUNCTION(__nedf2vfp) diff --git a/compiler-rt/lib/arm/negdf2vfp.S b/compiler-rt/lib/arm/negdf2vfp.S deleted file mode 100644 index ad9b8741807..00000000000 --- a/compiler-rt/lib/arm/negdf2vfp.S +++ /dev/null @@ -1,23 +0,0 @@ -//===-- negdf2vfp.S - Implement negdf2vfp ---------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern double __negdf2vfp(double a, double b); -// -// Returns the negation a double precision floating point numbers using the -// Darwin calling convention where double arguments are passsed in GPR pairs. -// - .syntax unified - .align 2 -DEFINE_COMPILERRT_FUNCTION(__negdf2vfp) - eor r1, r1, #-2147483648 // flip sign bit on double in r0/r1 pair - bx lr -END_COMPILERRT_FUNCTION(__negdf2vfp) diff --git a/compiler-rt/lib/arm/negsf2vfp.S b/compiler-rt/lib/arm/negsf2vfp.S deleted file mode 100644 index 482eb264070..00000000000 --- a/compiler-rt/lib/arm/negsf2vfp.S +++ /dev/null @@ -1,23 +0,0 @@ -//===-- negsf2vfp.S - Implement negsf2vfp ---------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern float __negsf2vfp(float a); -// -// Returns the negation of a single precision floating point numbers using the -// Darwin calling convention where single arguments are passsed like 32-bit ints -// - .syntax unified - .align 2 -DEFINE_COMPILERRT_FUNCTION(__negsf2vfp) - eor r0, r0, #-2147483648 // flip sign bit on float in r0 - bx lr -END_COMPILERRT_FUNCTION(__negsf2vfp) diff --git a/compiler-rt/lib/arm/nesf2vfp.S b/compiler-rt/lib/arm/nesf2vfp.S deleted file mode 100644 index 127145ec42e..00000000000 --- a/compiler-rt/lib/arm/nesf2vfp.S +++ /dev/null @@ -1,29 +0,0 @@ -//===-- nesf2vfp.S - Implement nesf2vfp -----------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern int __nesf2vfp(float a, float b); -// -// Returns one iff a != b and neither is NaN. -// Uses Darwin calling convention where single precision arguments are passsed -// like 32-bit ints -// - .syntax unified - .align 2 -DEFINE_COMPILERRT_FUNCTION(__nesf2vfp) - vmov s14, r0 // move from GPR 0 to float register - vmov s15, r1 // move from GPR 1 to float register - vcmp.f32 s14, s15 - vmrs apsr_nzcv, fpscr - movne r0, #1 // set result register to 1 if unequal - moveq r0, #0 - bx lr -END_COMPILERRT_FUNCTION(__nesf2vfp) diff --git a/compiler-rt/lib/arm/restore_vfp_d8_d15_regs.S b/compiler-rt/lib/arm/restore_vfp_d8_d15_regs.S deleted file mode 100644 index 5d55474158a..00000000000 --- a/compiler-rt/lib/arm/restore_vfp_d8_d15_regs.S +++ /dev/null @@ -1,35 +0,0 @@ -//===-- save_restore_regs.S - Implement save/restore* ---------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// When compiling C++ functions that need to handle thrown exceptions the -// compiler is required to save all registers and call __Unwind_SjLj_Register -// in the function prolog. But when compiling for thumb1, there are -// no instructions to access the floating point registers, so the -// compiler needs to add a call to the helper function _save_vfp_d8_d15_regs -// written in ARM to save the float registers. In the epilog, the compiler -// must also add a call to __restore_vfp_d8_d15_regs to restore those registers. -// - - .text - .syntax unified - -// -// Restore registers d8-d15 from stack -// - .align 2 -DEFINE_COMPILERRT_PRIVATE_FUNCTION(__restore_vfp_d8_d15_regs) - vldmia sp!, {d8-d15} // pop registers d8-d15 off stack - bx lr // return to prolog -END_COMPILERRT_FUNCTION(__restore_vfp_d8_d15_regs) - - // tell linker it can break up file at label boundaries - .subsections_via_symbols diff --git a/compiler-rt/lib/arm/save_vfp_d8_d15_regs.S b/compiler-rt/lib/arm/save_vfp_d8_d15_regs.S deleted file mode 100644 index 4be3ff3a525..00000000000 --- a/compiler-rt/lib/arm/save_vfp_d8_d15_regs.S +++ /dev/null @@ -1,35 +0,0 @@ -//===-- save_restore_regs.S - Implement save/restore* ---------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// When compiling C++ functions that need to handle thrown exceptions the -// compiler is required to save all registers and call __Unwind_SjLj_Register -// in the function prolog. But when compiling for thumb1, there are -// no instructions to access the floating point registers, so the -// compiler needs to add a call to the helper function _save_vfp_d8_d15_regs -// written in ARM to save the float registers. In the epilog, the compiler -// must also add a call to __restore_vfp_d8_d15_regs to restore those registers. -// - - .text - .syntax unified - -// -// Save registers d8-d15 onto stack -// - .align 2 -DEFINE_COMPILERRT_PRIVATE_FUNCTION(__save_vfp_d8_d15_regs) - vstmdb sp!, {d8-d15} // push registers d8-d15 onto stack - bx lr // return to prolog -END_COMPILERRT_FUNCTION(__save_vfp_d8_d15_regs) - - // tell linker it can break up file at label boundaries - .subsections_via_symbols diff --git a/compiler-rt/lib/arm/softfloat-alias.list b/compiler-rt/lib/arm/softfloat-alias.list deleted file mode 100644 index cc6a4b3cdd2..00000000000 --- a/compiler-rt/lib/arm/softfloat-alias.list +++ /dev/null @@ -1,21 +0,0 @@ -# -# These are soft float functions which can be -# aliased to the *vfp functions on arm processors -# that support floating point instructions. -# -___adddf3vfp ___adddf3 -___addsf3vfp ___addsf3 -___divdf3vfp ___divdf3 -___divsf3vfp ___divsf3 -___extendsfdf2vfp ___extendsfdf2 -___fixdfsivfp ___fixdfsi -___fixsfsivfp ___fixsfsi -___floatsidfvfp ___floatsidf -___floatsisfvfp ___floatsisf -___muldf3vfp ___muldf3 -___mulsf3vfp ___mulsf3 -___subdf3vfp ___subdf3 -___subsf3vfp ___subsf3 -___truncdfsf2vfp ___truncdfsf2 -___floatunssidfvfp ___floatunsidf -___floatunssisfvfp ___floatunsisf diff --git a/compiler-rt/lib/arm/subdf3vfp.S b/compiler-rt/lib/arm/subdf3vfp.S deleted file mode 100644 index 747d6596cdd..00000000000 --- a/compiler-rt/lib/arm/subdf3vfp.S +++ /dev/null @@ -1,26 +0,0 @@ -//===-- subdf3vfp.S - Implement subdf3vfp ---------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern double __subdf3vfp(double a, double b); -// -// Returns difference between two double precision floating point numbers using -// the Darwin calling convention where double arguments are passsed in GPR pairs -// - .syntax unified - .align 2 -DEFINE_COMPILERRT_FUNCTION(__subdf3vfp) - vmov d6, r0, r1 // move first param from r0/r1 pair into d6 - vmov d7, r2, r3 // move second param from r2/r3 pair into d7 - vsub.f64 d6, d6, d7 - vmov r0, r1, d6 // move result back to r0/r1 pair - bx lr -END_COMPILERRT_FUNCTION(__subdf3vfp) diff --git a/compiler-rt/lib/arm/subsf3vfp.S b/compiler-rt/lib/arm/subsf3vfp.S deleted file mode 100644 index 7cc63cccc31..00000000000 --- a/compiler-rt/lib/arm/subsf3vfp.S +++ /dev/null @@ -1,27 +0,0 @@ -//===-- subsf3vfp.S - Implement subsf3vfp ---------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern float __subsf3vfp(float a, float b); -// -// Returns the difference between two single precision floating point numbers -// using the Darwin calling convention where single arguments are passsed -// like 32-bit ints. -// - .syntax unified - .align 2 -DEFINE_COMPILERRT_FUNCTION(__subsf3vfp) - vmov s14, r0 // move first param from r0 into float register - vmov s15, r1 // move second param from r1 into float register - vsub.f32 s14, s14, s15 - vmov r0, s14 // move result back to r0 - bx lr -END_COMPILERRT_FUNCTION(__subsf3vfp) diff --git a/compiler-rt/lib/arm/switch16.S b/compiler-rt/lib/arm/switch16.S deleted file mode 100644 index 0dedc598a13..00000000000 --- a/compiler-rt/lib/arm/switch16.S +++ /dev/null @@ -1,46 +0,0 @@ -//===-- switch.S - Implement switch* --------------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// When compiling switch statements in thumb mode, the compiler -// can use these __switch* helper functions The compiler emits a blx to -// the __switch* function followed by a table of displacements for each -// case statement. On entry, R0 is the index into the table. The __switch* -// function uses the return address in lr to find the start of the table. -// The first entry in the table is the count of the entries in the table. -// It then uses R0 to index into the table and get the displacement of the -// address to jump to. If R0 is greater than the size of the table, it jumps -// to the last entry in the table. Each displacement in the table is actually -// the distance from lr to the label, thus making the tables PIC. - - - .text - .syntax unified - -// -// The table contains signed 2-byte sized elements which are 1/2 the distance -// from lr to the target label. -// - .align 2 -DEFINE_COMPILERRT_PRIVATE_FUNCTION(__switch16) - ldrh ip, [lr, #-1] // get first 16-bit word in table - cmp r0, ip // compare with index - add r0, lr, r0, lsl #1 // compute address of element in table - add ip, lr, ip, lsl #1 // compute address of last element in table - ite lo - ldrshlo r0, [r0, #1] // load 16-bit element if r0 is in range - ldrshhs r0, [ip, #1] // load 16-bit element if r0 out of range - add ip, lr, r0, lsl #1 // compute label = lr + element*2 - bx ip // jump to computed label -END_COMPILERRT_FUNCTION(__switch16) - - // tell linker it can break up file at label boundaries - .subsections_via_symbols diff --git a/compiler-rt/lib/arm/switch32.S b/compiler-rt/lib/arm/switch32.S deleted file mode 100644 index 64d558eb8fa..00000000000 --- a/compiler-rt/lib/arm/switch32.S +++ /dev/null @@ -1,47 +0,0 @@ -//===-- switch.S - Implement switch* --------------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// When compiling switch statements in thumb mode, the compiler -// can use these __switch* helper functions The compiler emits a blx to -// the __switch* function followed by a table of displacements for each -// case statement. On entry, R0 is the index into the table. The __switch* -// function uses the return address in lr to find the start of the table. -// The first entry in the table is the count of the entries in the table. -// It then uses R0 to index into the table and get the displacement of the -// address to jump to. If R0 is greater than the size of the table, it jumps -// to the last entry in the table. Each displacement in the table is actually -// the distance from lr to the label, thus making the tables PIC. - - - .text - .syntax unified - -// -// The table contains signed 4-byte sized elements which are the distance -// from lr to the target label. -// - .align 2 -DEFINE_COMPILERRT_PRIVATE_FUNCTION(__switch32) - ldr ip, [lr, #-1] // get first 32-bit word in table - cmp r0, ip // compare with index - add r0, lr, r0, lsl #2 // compute address of element in table - add ip, lr, ip, lsl #2 // compute address of last element in table - ite lo - ldrlo r0, [r0, #3] // load 32-bit element if r0 is in range - ldrhs r0, [ip, #3] // load 32-bit element if r0 out of range - add ip, lr, r0 // compute label = lr + element - bx ip // jump to computed label -END_COMPILERRT_FUNCTION(__switch32) - - // tell linker it can break up file at label boundaries - .subsections_via_symbols - diff --git a/compiler-rt/lib/arm/switch8.S b/compiler-rt/lib/arm/switch8.S deleted file mode 100644 index b5008849a30..00000000000 --- a/compiler-rt/lib/arm/switch8.S +++ /dev/null @@ -1,45 +0,0 @@ -//===-- switch.S - Implement switch* --------------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// When compiling switch statements in thumb mode, the compiler -// can use these __switch* helper functions The compiler emits a blx to -// the __switch* function followed by a table of displacements for each -// case statement. On entry, R0 is the index into the table. The __switch* -// function uses the return address in lr to find the start of the table. -// The first entry in the table is the count of the entries in the table. -// It then uses R0 to index into the table and get the displacement of the -// address to jump to. If R0 is greater than the size of the table, it jumps -// to the last entry in the table. Each displacement in the table is actually -// the distance from lr to the label, thus making the tables PIC. - - - .text - .syntax unified - -// -// The table contains signed byte sized elements which are 1/2 the distance -// from lr to the target label. -// - .align 2 -DEFINE_COMPILERRT_PRIVATE_FUNCTION(__switch8) - ldrb ip, [lr, #-1] // get first byte in table - cmp r0, ip // signed compare with index - ite lo - ldrsblo r0, [lr, r0] // get indexed byte out of table - ldrsbhs r0, [lr, ip] // if out of range, use last entry in table - add ip, lr, r0, lsl #1 // compute label = lr + element*2 - bx ip // jump to computed label -END_COMPILERRT_FUNCTION(__switch8) - - // tell linker it can break up file at label boundaries - .subsections_via_symbols - diff --git a/compiler-rt/lib/arm/switchu8.S b/compiler-rt/lib/arm/switchu8.S deleted file mode 100644 index 488d4e74eed..00000000000 --- a/compiler-rt/lib/arm/switchu8.S +++ /dev/null @@ -1,45 +0,0 @@ -//===-- switch.S - Implement switch* --------------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// When compiling switch statements in thumb mode, the compiler -// can use these __switch* helper functions The compiler emits a blx to -// the __switch* function followed by a table of displacements for each -// case statement. On entry, R0 is the index into the table. The __switch* -// function uses the return address in lr to find the start of the table. -// The first entry in the table is the count of the entries in the table. -// It then uses R0 to index into the table and get the displacement of the -// address to jump to. If R0 is greater than the size of the table, it jumps -// to the last entry in the table. Each displacement in the table is actually -// the distance from lr to the label, thus making the tables PIC. - - - .text - .syntax unified - -// -// The table contains unsigned byte sized elements which are 1/2 the distance -// from lr to the target label. -// - .align 2 -DEFINE_COMPILERRT_PRIVATE_FUNCTION(__switchu8) - ldrb ip, [lr, #-1] // get first byte in table - cmp r0, ip // compare with index - ite lo - ldrblo r0, [lr, r0] // get indexed byte out of table - ldrbhs r0, [lr, ip] // if out of range, use last entry in table - add ip, lr, r0, lsl #1 // compute label = lr + element*2 - bx ip // jump to computed label -END_COMPILERRT_FUNCTION(__switchu8) - - // tell linker it can break up file at label boundaries - .subsections_via_symbols - diff --git a/compiler-rt/lib/arm/sync_synchronize.S b/compiler-rt/lib/arm/sync_synchronize.S deleted file mode 100644 index aa18f04fb5f..00000000000 --- a/compiler-rt/lib/arm/sync_synchronize.S +++ /dev/null @@ -1,35 +0,0 @@ -//===-- sync_synchronize - Implement memory barrier * ----------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// When compiling a use of the gcc built-in __sync_synchronize() in thumb1 mode -// the compiler may emit a call to __sync_synchronize. -// On Darwin the implementation jumps to an OS supplied function named -// OSMemoryBarrier -// - - .text - .syntax unified - -#if __APPLE__ - - .align 2 -DEFINE_COMPILERRT_PRIVATE_FUNCTION(__sync_synchronize) - stmfd sp!, {r7, lr} - add r7, sp, #0 - bl _OSMemoryBarrier - ldmfd sp!, {r7, pc} -END_COMPILERRT_FUNCTION(__sync_synchronize) - - // tell linker it can break up file at label boundaries - .subsections_via_symbols - -#endif diff --git a/compiler-rt/lib/arm/truncdfsf2vfp.S b/compiler-rt/lib/arm/truncdfsf2vfp.S deleted file mode 100644 index 55bf324ccc4..00000000000 --- a/compiler-rt/lib/arm/truncdfsf2vfp.S +++ /dev/null @@ -1,26 +0,0 @@ -//===-- truncdfsf2vfp.S - Implement truncdfsf2vfp -------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern float __truncdfsf2vfp(double a); -// -// Converts double precision float to signle precision result. -// Uses Darwin calling convention where a double precision parameter is -// passed in a R0/R1 pair and a signle precision result is returned in R0. -// - .syntax unified - .align 2 -DEFINE_COMPILERRT_FUNCTION(__truncdfsf2vfp) - vmov d7, r0, r1 // load double from r0/r1 pair - vcvt.f32.f64 s15, d7 // convert double to single (trucate precision) - vmov r0, s15 // return result in r0 - bx lr -END_COMPILERRT_FUNCTION(__truncdfsf2vfp) diff --git a/compiler-rt/lib/arm/udivmodsi4.S b/compiler-rt/lib/arm/udivmodsi4.S deleted file mode 100644 index bb5d29c03e6..00000000000 --- a/compiler-rt/lib/arm/udivmodsi4.S +++ /dev/null @@ -1,161 +0,0 @@ -/*===-- udivmodsi4.S - 32-bit unsigned integer divide and modulus ---------===// - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - *===----------------------------------------------------------------------===// - * - * This file implements the __udivmodsi4 (32-bit unsigned integer divide and - * modulus) function for the ARM 32-bit architecture. - * - *===----------------------------------------------------------------------===*/ - -#include "../assembly.h" - - .syntax unified - - .text - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__udivmodsi4) -#if __ARM_ARCH_EXT_IDIV__ - tst r1, r1 - beq LOCAL_LABEL(divby0) - mov r3, r0 - udiv r0, r3, r1 - mls r1, r0, r1, r3 - str r1, [r2] - bx lr -#else - cmp r1, #1 - bcc LOCAL_LABEL(divby0) - beq LOCAL_LABEL(divby1) - cmp r0, r1 - bcc LOCAL_LABEL(quotient0) - /* - * Implement division using binary long division algorithm. - * - * r0 is the numerator, r1 the denominator. - * - * The code before JMP computes the correct shift I, so that - * r0 and (r1 << I) have the highest bit set in the same position. - * At the time of JMP, ip := .Ldiv0block - 12 * I. - * This depends on the fixed instruction size of block. - * - * block(shift) implements the test-and-update-quotient core. - * It assumes (r0 << shift) can be computed without overflow and - * that (r0 << shift) < 2 * r1. The quotient is stored in r3. - */ - -# ifdef __ARM_FEATURE_CLZ - clz ip, r0 - clz r3, r1 - /* r0 >= r1 implies clz(r0) <= clz(r1), so ip <= r3. */ - sub r3, r3, ip - adr ip, LOCAL_LABEL(div0block) - sub ip, ip, r3, lsl #2 - sub ip, ip, r3, lsl #3 - mov r3, #0 - bx ip -# else - str r4, [sp, #-8]! - - mov r4, r0 - adr ip, LOCAL_LABEL(div0block) - - lsr r3, r4, #16 - cmp r3, r1 - movhs r4, r3 - subhs ip, ip, #(16 * 12) - - lsr r3, r4, #8 - cmp r3, r1 - movhs r4, r3 - subhs ip, ip, #(8 * 12) - - lsr r3, r4, #4 - cmp r3, r1 - movhs r4, r3 - subhs ip, #(4 * 12) - - lsr r3, r4, #2 - cmp r3, r1 - movhs r4, r3 - subhs ip, ip, #(2 * 12) - - /* Last block, no need to update r3 or r4. */ - cmp r1, r4, lsr #1 - subls ip, ip, #(1 * 12) - - ldr r4, [sp], #8 /* restore r4, we are done with it. */ - mov r3, #0 - - JMP(ip) -# endif - -#define IMM # - -#define block(shift) \ - cmp r0, r1, lsl IMM shift; \ - addhs r3, r3, IMM (1 << shift); \ - subhs r0, r0, r1, lsl IMM shift - - block(31) - block(30) - block(29) - block(28) - block(27) - block(26) - block(25) - block(24) - block(23) - block(22) - block(21) - block(20) - block(19) - block(18) - block(17) - block(16) - block(15) - block(14) - block(13) - block(12) - block(11) - block(10) - block(9) - block(8) - block(7) - block(6) - block(5) - block(4) - block(3) - block(2) - block(1) -LOCAL_LABEL(div0block): - block(0) - - str r0, [r2] - mov r0, r3 - JMP(lr) - -LOCAL_LABEL(quotient0): - str r0, [r2] - mov r0, #0 - JMP(lr) - -LOCAL_LABEL(divby1): - mov r3, #0 - str r3, [r2] - JMP(lr) -#endif /* __ARM_ARCH_EXT_IDIV__ */ - -LOCAL_LABEL(divby0): - mov r0, #0 -#ifdef __ARM_EABI__ - b __aeabi_idiv0 -#else - JMP(lr) -#endif - -END_COMPILERRT_FUNCTION(__udivmodsi4) diff --git a/compiler-rt/lib/arm/udivsi3.S b/compiler-rt/lib/arm/udivsi3.S deleted file mode 100644 index 11c1c096ec1..00000000000 --- a/compiler-rt/lib/arm/udivsi3.S +++ /dev/null @@ -1,148 +0,0 @@ -/*===-- udivsi3.S - 32-bit unsigned integer divide ------------------------===// - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - *===----------------------------------------------------------------------===// - * - * This file implements the __udivsi3 (32-bit unsigned integer divide) - * function for the ARM 32-bit architecture. - * - *===----------------------------------------------------------------------===*/ - -#include "../assembly.h" - - .syntax unified - - .text - .p2align 2 -DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_uidiv, __udivsi3) -DEFINE_COMPILERRT_FUNCTION(__udivsi3) -#if __ARM_ARCH_EXT_IDIV__ - tst r1, r1 - beq LOCAL_LABEL(divby0) - mov r3, r0 - udiv r0, r3, r1 - mls r1, r0, r1, r3 - bx lr -#else - cmp r1, #1 - bcc LOCAL_LABEL(divby0) - JMPc(lr, eq) - cmp r0, r1 - movcc r0, #0 - JMPc(lr, cc) - /* - * Implement division using binary long division algorithm. - * - * r0 is the numerator, r1 the denominator. - * - * The code before JMP computes the correct shift I, so that - * r0 and (r1 << I) have the highest bit set in the same position. - * At the time of JMP, ip := .Ldiv0block - 12 * I. - * This depends on the fixed instruction size of block. - * - * block(shift) implements the test-and-update-quotient core. - * It assumes (r0 << shift) can be computed without overflow and - * that (r0 << shift) < 2 * r1. The quotient is stored in r3. - */ - -# ifdef __ARM_FEATURE_CLZ - clz ip, r0 - clz r3, r1 - /* r0 >= r1 implies clz(r0) <= clz(r1), so ip <= r3. */ - sub r3, r3, ip - adr ip, LOCAL_LABEL(div0block) - sub ip, ip, r3, lsl #2 - sub ip, ip, r3, lsl #3 - mov r3, #0 - bx ip -# else - mov r2, r0 - adr ip, LOCAL_LABEL(div0block) - - lsr r3, r2, #16 - cmp r3, r1 - movhs r2, r3 - subhs ip, ip, #(16 * 12) - - lsr r3, r2, #8 - cmp r3, r1 - movhs r2, r3 - subhs ip, ip, #(8 * 12) - - lsr r3, r2, #4 - cmp r3, r1 - movhs r2, r3 - subhs ip, #(4 * 12) - - lsr r3, r2, #2 - cmp r3, r1 - movhs r2, r3 - subhs ip, ip, #(2 * 12) - - /* Last block, no need to update r2 or r3. */ - cmp r1, r2, lsr #1 - subls ip, ip, #(1 * 12) - - mov r3, #0 - - JMP(ip) -# endif - -#define IMM # - -#define block(shift) \ - cmp r0, r1, lsl IMM shift; \ - addhs r3, r3, IMM (1 << shift); \ - subhs r0, r0, r1, lsl IMM shift - - block(31) - block(30) - block(29) - block(28) - block(27) - block(26) - block(25) - block(24) - block(23) - block(22) - block(21) - block(20) - block(19) - block(18) - block(17) - block(16) - block(15) - block(14) - block(13) - block(12) - block(11) - block(10) - block(9) - block(8) - block(7) - block(6) - block(5) - block(4) - block(3) - block(2) - block(1) -LOCAL_LABEL(div0block): - block(0) - - mov r0, r3 - JMP(lr) -#endif /* __ARM_ARCH_EXT_IDIV__ */ - -LOCAL_LABEL(divby0): - mov r0, #0 -#ifdef __ARM_EABI__ - b __aeabi_idiv0 -#else - JMP(lr) -#endif - -END_COMPILERRT_FUNCTION(__udivsi3) diff --git a/compiler-rt/lib/arm/umodsi3.S b/compiler-rt/lib/arm/umodsi3.S deleted file mode 100644 index a03afefdaa2..00000000000 --- a/compiler-rt/lib/arm/umodsi3.S +++ /dev/null @@ -1,141 +0,0 @@ -/*===-- umodsi3.S - 32-bit unsigned integer modulus -----------------------===// - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - *===----------------------------------------------------------------------===// - * - * This file implements the __umodsi3 (32-bit unsigned integer modulus) - * function for the ARM 32-bit architecture. - * - *===----------------------------------------------------------------------===*/ - -#include "../assembly.h" - - .syntax unified - - .text - .p2align 2 -DEFINE_COMPILERRT_FUNCTION(__umodsi3) -#if __ARM_ARCH_EXT_IDIV__ - tst r1, r1 - beq LOCAL_LABEL(divby0) - mov r3, r0 - udiv r0, r3, r1 - mls r1, r0, r1, r3 - str r1, [r2] - bx lr -#else - cmp r1, #1 - bcc LOCAL_LABEL(divby0) - moveq r0, #0 - JMPc(lr, eq) - cmp r0, r1 - JMPc(lr, cc) - /* - * Implement division using binary long division algorithm. - * - * r0 is the numerator, r1 the denominator. - * - * The code before JMP computes the correct shift I, so that - * r0 and (r1 << I) have the highest bit set in the same position. - * At the time of JMP, ip := .Ldiv0block - 8 * I. - * This depends on the fixed instruction size of block. - * - * block(shift) implements the test-and-update-quotient core. - * It assumes (r0 << shift) can be computed without overflow and - * that (r0 << shift) < 2 * r1. The quotient is stored in r3. - */ - -# ifdef __ARM_FEATURE_CLZ - clz ip, r0 - clz r3, r1 - /* r0 >= r1 implies clz(r0) <= clz(r1), so ip <= r3. */ - sub r3, r3, ip - adr ip, LOCAL_LABEL(div0block) - sub ip, ip, r3, lsl #3 - bx ip -# else - mov r2, r0 - adr ip, LOCAL_LABEL(div0block) - - lsr r3, r2, #16 - cmp r3, r1 - movhs r2, r3 - subhs ip, ip, #(16 * 8) - - lsr r3, r2, #8 - cmp r3, r1 - movhs r2, r3 - subhs ip, ip, #(8 * 8) - - lsr r3, r2, #4 - cmp r3, r1 - movhs r2, r3 - subhs ip, #(4 * 8) - - lsr r3, r2, #2 - cmp r3, r1 - movhs r2, r3 - subhs ip, ip, #(2 * 8) - - /* Last block, no need to update r2 or r3. */ - cmp r1, r2, lsr #1 - subls ip, ip, #(1 * 8) - - JMP(ip) -# endif - -#define IMM # - -#define block(shift) \ - cmp r0, r1, lsl IMM shift; \ - subhs r0, r0, r1, lsl IMM shift - - block(31) - block(30) - block(29) - block(28) - block(27) - block(26) - block(25) - block(24) - block(23) - block(22) - block(21) - block(20) - block(19) - block(18) - block(17) - block(16) - block(15) - block(14) - block(13) - block(12) - block(11) - block(10) - block(9) - block(8) - block(7) - block(6) - block(5) - block(4) - block(3) - block(2) - block(1) -LOCAL_LABEL(div0block): - block(0) - JMP(lr) -#endif /* __ARM_ARCH_EXT_IDIV__ */ - -LOCAL_LABEL(divby0): - mov r0, #0 -#ifdef __ARM_EABI__ - b __aeabi_idiv0 -#else - JMP(lr) -#endif - -END_COMPILERRT_FUNCTION(__umodsi3) diff --git a/compiler-rt/lib/arm/unorddf2vfp.S b/compiler-rt/lib/arm/unorddf2vfp.S deleted file mode 100644 index ee7de402531..00000000000 --- a/compiler-rt/lib/arm/unorddf2vfp.S +++ /dev/null @@ -1,29 +0,0 @@ -//===-- unorddf2vfp.S - Implement unorddf2vfp ------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern int __unorddf2vfp(double a, double b); -// -// Returns one iff a or b is NaN -// Uses Darwin calling convention where double precision arguments are passsed -// like in GPR pairs. -// - .syntax unified - .align 2 -DEFINE_COMPILERRT_FUNCTION(__unorddf2vfp) - vmov d6, r0, r1 // load r0/r1 pair in double register - vmov d7, r2, r3 // load r2/r3 pair in double register - vcmp.f64 d6, d7 - vmrs apsr_nzcv, fpscr - movvs r0, #1 // set result register to 1 if "overflow" (any NaNs) - movvc r0, #0 - bx lr -END_COMPILERRT_FUNCTION(__unorddf2vfp) diff --git a/compiler-rt/lib/arm/unordsf2vfp.S b/compiler-rt/lib/arm/unordsf2vfp.S deleted file mode 100644 index eb419a54154..00000000000 --- a/compiler-rt/lib/arm/unordsf2vfp.S +++ /dev/null @@ -1,29 +0,0 @@ -//===-- unordsf2vfp.S - Implement unordsf2vfp -----------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// extern int __unordsf2vfp(float a, float b); -// -// Returns one iff a or b is NaN -// Uses Darwin calling convention where single precision arguments are passsed -// like 32-bit ints -// - .syntax unified - .align 2 -DEFINE_COMPILERRT_FUNCTION(__unordsf2vfp) - vmov s14, r0 // move from GPR 0 to float register - vmov s15, r1 // move from GPR 1 to float register - vcmp.f32 s14, s15 - vmrs apsr_nzcv, fpscr - movvs r0, #1 // set result register to 1 if "overflow" (any NaNs) - movvc r0, #0 - bx lr -END_COMPILERRT_FUNCTION(__unordsf2vfp) |
