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| author | Nick Kledzik <kledzik@apple.com> | 2009-09-12 01:23:48 +0000 |
|---|---|---|
| committer | Nick Kledzik <kledzik@apple.com> | 2009-09-12 01:23:48 +0000 |
| commit | 9130011d5ff9df9cbcf2067de5dac672921c5bad (patch) | |
| tree | c472942247b6e7745538ab09f695e2db97b3ad02 /compiler-rt/lib/arm/ledf2vfp.S | |
| parent | 42c1287b684f7415f5b7ce173602e78d8b65f614 (diff) | |
| download | bcm5719-llvm-9130011d5ff9df9cbcf2067de5dac672921c5bad.tar.gz bcm5719-llvm-9130011d5ff9df9cbcf2067de5dac672921c5bad.zip | |
add comparison functions for ARM
llvm-svn: 81597
Diffstat (limited to 'compiler-rt/lib/arm/ledf2vfp.S')
| -rw-r--r-- | compiler-rt/lib/arm/ledf2vfp.S | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/compiler-rt/lib/arm/ledf2vfp.S b/compiler-rt/lib/arm/ledf2vfp.S new file mode 100644 index 00000000000..4dc9f47fb5b --- /dev/null +++ b/compiler-rt/lib/arm/ledf2vfp.S @@ -0,0 +1,26 @@ +//===-- ledf2vfp.S - Implement ledf2vfp -----------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + + +// +// 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. +// + .globl ___ledf2vfp +___ledf2vfp: + fmdrr d6, r0, r1 // load r0/r1 pair in double register + fmdrr d7, r2, r3 // load r2/r3 pair in double register + fcmpd d6, d7 + fmstat + movls r0, #1 // set result register to 1 if equal + movhi r0, #0 + bx lr |
