Re: [PATCH] sh: libgcc: Implement fenv rouding and exceptions for soft-fp [PR118257]

在2025年1月1日一月 下午2:57，Oleg Endo写道： > On Wed, 2025-01-01 at 14:43 +, Jiaxun Yang wrote: >> >> +#ifdef __SH_FPU_ANY__ >> +#define _FPU_GETCW(fpscr) __asm__ volatile ("sts fpscr,%0" : "=r" (fpscr)) >> +#define _FPU_SETCW(fpscr) __asm__ volatile ("lds %0,fpscr" : : "r" (fpscr)) >> > > There's a

Re: [PATCH] sh: libgcc: Implement fenv rouding and exceptions for soft-fp [PR118257]

On Wed, 2025-01-01 at 14:43 +, Jiaxun Yang wrote: > > +#ifdef __SH_FPU_ANY__ > +#define _FPU_GETCW(fpscr) __asm__ volatile ("sts fpscr,%0" : "=r" (fpscr)) > +#define _FPU_SETCW(fpscr) __asm__ volatile ("lds %0,fpscr" : : "r" (fpscr)) > There's already: __builtin_sh_get_fpscr __builtin

[PATCH] sh: libgcc: Implement fenv rouding and exceptions for soft-fp [PR118257]

Implement fenv rouding and exceptions for soft-fp, as per SuperH arch specification. No new tests required, as it's already covered by many torture tests with fenv_exceptions. PR target/118257 libgcc/ChangeLog: * config/sh/sfp-machine.h (_FPU_GETCW): Implement with sts.