john-brawn-arm wrote:
Simple example where setting HasStrictFP=true without doing the above gives
wrong results:
```
int fetestexcept( int excepts );
#define FE_DIVBYZERO 0x04
int fn(float x) {
#pragma STDC FENV_ACCESS ON
x / 0;
return fetestexcept(FE_DIVBYZERO);
}
```
With --target=aarch64-none-elf we get a divide instruction and so return
FE_DIVBYZERO, with --target=arm-non-eabi we get no divide instruction and
return 0.
https://github.com/llvm/llvm-project/pull/137101
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