diff options
Diffstat (limited to 'sysdeps/powerpc/fpu/fenv_private.h')
| -rw-r--r-- | sysdeps/powerpc/fpu/fenv_private.h | 29 |
1 files changed, 4 insertions, 25 deletions
diff --git a/sysdeps/powerpc/fpu/fenv_private.h b/sysdeps/powerpc/fpu/fenv_private.h index 5f1bcab743..92a3e92787 100644 --- a/sysdeps/powerpc/fpu/fenv_private.h +++ b/sysdeps/powerpc/fpu/fenv_private.h @@ -133,16 +133,7 @@ static __always_inline void libc_feresetround_ppc (fenv_t *envp) { fenv_union_t new = { .fenv = *envp }; - - /* If the old env has no enabled exceptions and the new env has any enabled - exceptions, then unmask SIGFPE in the MSR FE0/FE1 bits. This will put the - hardware into "precise mode" and may cause the FPU to run slower on some - hardware. */ - if ((new.l & _FPU_ALL_TRAPS) != 0) - (void) __fe_nomask_env_priv (); - - /* Atomically enable and raise (if appropriate) exceptions set in `new'. */ - fesetenv_mode (new.fenv); + fegetenv_and_set_rn (new.l & FPSCR_RN_MASK); } static __always_inline int @@ -184,22 +175,10 @@ libc_feupdateenv_ppc (fenv_t *e) static __always_inline void libc_feholdsetround_ppc_ctx (struct rm_ctx *ctx, int r) { - fenv_union_t old, new; + fenv_union_t old; - old.fenv = fegetenv_status (); - - new.l = (old.l & ~(FPSCR_ENABLES_MASK|FPSCR_RN_MASK)) | r; - - ctx->env = old.fenv; - if (__glibc_unlikely (new.l != old.l)) - { - if ((old.l & _FPU_ALL_TRAPS) != 0) - (void) __fe_mask_env (); - fesetenv_mode (new.fenv); - ctx->updated_status = true; - } - else - ctx->updated_status = false; + ctx->env = old.fenv = fegetenv_and_set_rn (r); + ctx->updated_status = (r != (old.l & FPSCR_RN_MASK)); } static __always_inline void |