diff options
Diffstat (limited to 'contrib/compiler-rt/lib/arm/divsi3.S')
| -rw-r--r-- | contrib/compiler-rt/lib/arm/divsi3.S | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/contrib/compiler-rt/lib/arm/divsi3.S b/contrib/compiler-rt/lib/arm/divsi3.S index 00e6181..e76fe31 100644 --- a/contrib/compiler-rt/lib/arm/divsi3.S +++ b/contrib/compiler-rt/lib/arm/divsi3.S @@ -25,7 +25,16 @@ // 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) - ESTABLISH_FRAME +#if __ARM_ARCH_7S__ + 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). @@ -39,3 +48,4 @@ DEFINE_COMPILERRT_FUNCTION(__divsi3) eor r0, r0, r4, asr #31 sub r0, r0, r4, asr #31 CLEAR_FRAME_AND_RETURN +#endif |
