diff options
Diffstat (limited to 'compiler-rt/lib/builtins/arm/aeabi_uidivmod.S')
-rw-r--r-- | compiler-rt/lib/builtins/arm/aeabi_uidivmod.S | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/compiler-rt/lib/builtins/arm/aeabi_uidivmod.S b/compiler-rt/lib/builtins/arm/aeabi_uidivmod.S index 4a89449081a..7098bc6ff92 100644 --- a/compiler-rt/lib/builtins/arm/aeabi_uidivmod.S +++ b/compiler-rt/lib/builtins/arm/aeabi_uidivmod.S @@ -23,6 +23,20 @@ .syntax unified .p2align 2 DEFINE_COMPILERRT_FUNCTION(__aeabi_uidivmod) +#if __ARM_ARCH_ISA_THUMB == 1 + cmp r0, r1 + bcc LOCAL_LABEL(case_denom_larger) + push {r0, r1, lr} + bl SYMBOL_NAME(__aeabi_uidiv) + pop {r1, r2, r3} + muls r2, r2, r0 // r2 = quot * denom + subs r1, r1, r2 + JMP (r3) +LOCAL_LABEL(case_denom_larger): + movs r1, r0 + movs r0, #0 + JMP (lr) +#else push { lr } sub sp, sp, #4 mov r2, sp @@ -35,6 +49,7 @@ DEFINE_COMPILERRT_FUNCTION(__aeabi_uidivmod) ldr r1, [sp] add sp, sp, #4 pop { pc } +#endif END_COMPILERRT_FUNCTION(__aeabi_uidivmod) NO_EXEC_STACK_DIRECTIVE |