diff options
Diffstat (limited to 'sysdeps/x86_64/fpu/x86_64-math-asm.h')
| -rw-r--r-- | sysdeps/x86_64/fpu/x86_64-math-asm.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/sysdeps/x86_64/fpu/x86_64-math-asm.h b/sysdeps/x86_64/fpu/x86_64-math-asm.h index 07eecf7079..b5482518d7 100644 --- a/sysdeps/x86_64/fpu/x86_64-math-asm.h +++ b/sysdeps/x86_64/fpu/x86_64-math-asm.h @@ -46,6 +46,19 @@ ldbl_min: \ fstp %st(0); \ 6464: +/* Likewise, but the argument is not a NaN. */ +#define LDBL_CHECK_FORCE_UFLOW_NONNAN \ + fldt MO(ldbl_min); \ + fld %st(1); \ + fabs; \ + fcomip %st(1), %st(0); \ + fstp %st(0); \ + jnc 6464f; \ + fld %st(0); \ + fmul %st(0); \ + fstp %st(0); \ +6464: + /* Likewise, but the argument is nonnegative and not a NaN. */ #define LDBL_CHECK_FORCE_UFLOW_NONNEG \ fldt MO(ldbl_min); \ |