diff options
Diffstat (limited to 'contrib/compiler-rt/lib/arm/udivsi3.S')
| -rw-r--r-- | contrib/compiler-rt/lib/arm/udivsi3.S | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/contrib/compiler-rt/lib/arm/udivsi3.S b/contrib/compiler-rt/lib/arm/udivsi3.S index 6d89665..28979fe 100644 --- a/contrib/compiler-rt/lib/arm/udivsi3.S +++ b/contrib/compiler-rt/lib/arm/udivsi3.S @@ -33,6 +33,15 @@ // Ok, APCS and AAPCS agree on 32 bit args, so it's safe to use the same routine. DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_uidiv, __udivsi3) DEFINE_COMPILERRT_FUNCTION(__udivsi3) +#if __ARM_ARCH_7S__ + tst r1,r1 + beq LOCAL_LABEL(divzero) + udiv r0, r0, r1 + bx lr + LOCAL_LABEL(divzero): + mov r0,#0 + bx lr +#else // We use a simple digit by digit algorithm; before we get into the actual // divide loop, we must calculate the left-shift amount necessary to align // the MSB of the divisor with that of the dividend (If this shift is @@ -78,3 +87,4 @@ LOCAL_LABEL(return): // Move the quotient to r0 and return. mov r0, q CLEAR_FRAME_AND_RETURN +#endif |
