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| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2018-12-27 17:45:04 +0000 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2018-12-27 17:45:04 +0000 |
| commit | 6aa82888e61d3e2232926ee68e764f17eae2e7e1 (patch) | |
| tree | 17b2fb350da15d1d097f22dc7e2e7d20db1bd486 /sysdeps/i386/fpu/s_ceill.S | |
| parent | ffbe9c552a1009167ec7a765c1543c7f3e4169d6 (diff) | |
| parent | 963c37d5c0eb62b38f8764b23931c0dcdd497a13 (diff) | |
Merge commit 'refs/top-bases/t/sendmsg-SCM_RIGHTS' into t/sendmsg-SCM_RIGHTS
Diffstat (limited to 'sysdeps/i386/fpu/s_ceill.S')
| -rw-r--r-- | sysdeps/i386/fpu/s_ceill.S | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/sysdeps/i386/fpu/s_ceill.S b/sysdeps/i386/fpu/s_ceill.S index 4b272c522a..70d5c6ce0c 100644 --- a/sysdeps/i386/fpu/s_ceill.S +++ b/sysdeps/i386/fpu/s_ceill.S @@ -4,16 +4,17 @@ * Public domain. */ +#include <libm-alias-ldouble.h> #include <machine/asm.h> RCSID("$NetBSD: $") ENTRY(__ceill) fldt 4(%esp) - subl $8,%esp - cfi_adjust_cfa_offset (8) + subl $32,%esp + cfi_adjust_cfa_offset (32) - fstcw 4(%esp) /* store fpu control word */ + fnstenv 4(%esp) /* store fpu environment */ /* We use here %edx although only the low 1 bits are defined. But none of the operations should care and they are faster @@ -26,10 +27,15 @@ ENTRY(__ceill) frndint /* round */ - fldcw 4(%esp) /* restore original control word */ + /* Preserve "invalid" exceptions from sNaN input. */ + fnstsw + andl $0x1, %eax + orl %eax, 8(%esp) - addl $8,%esp - cfi_adjust_cfa_offset (-8) + fldenv 4(%esp) /* restore original environment */ + + addl $32,%esp + cfi_adjust_cfa_offset (-32) ret END (__ceill) -weak_alias (__ceill, ceill) +libm_alias_ldouble (__ceil, ceil) |