aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/x86_64
diff options
context:
space:
mode:
authorUlrich Drepper <drepper@redhat.com>2009-04-26 01:04:54 +0000
committerUlrich Drepper <drepper@redhat.com>2009-04-26 01:04:54 +0000
commit0c59a1963e948c546e0d3e34de974c7e71de1134 (patch)
treed2d20501ed445fc7e36e3cb4b0491a744c982976 /sysdeps/x86_64
parent4bbf8999f4d93c5da77737ccf06a1aa67225d3f4 (diff)
downloadglibc-0c59a1963e948c546e0d3e34de974c7e71de1134.tar
glibc-0c59a1963e948c546e0d3e34de974c7e71de1134.tar.gz
glibc-0c59a1963e948c546e0d3e34de974c7e71de1134.tar.bz2
glibc-0c59a1963e948c546e0d3e34de974c7e71de1134.zip
* sysdeps/i386/fpu/s_cos.S: Set errno for ±Inf.
* sysdeps/i386/fpu/s_cosf.S: Likewise. * sysdeps/i386/fpu/s_cosl.S: Likewise. * sysdeps/i386/fpu/s_sin.S: Likewise. * sysdeps/i386/fpu/s_sinf.S: Likewise. * sysdeps/i386/fpu/s_sinl.S: Likewise. * sysdeps/ieee754/dbl-64/s_sin.c: Likewise. * sysdeps/ieee754/flt-32/s_cosf.c: Likewise. * sysdeps/ieee754/flt-32/s_sinf.c: Likewise. * sysdeps/ieee754/ldbl-96/s_cosl.c: Likewise. * sysdeps/ieee754/ldbl-96/s_sinl.c: Likewise. * sysdeps/x86_64/fpu/s_cosl.S: Likewise. * sysdeps/x86_64/fpu/s_sinl.S: Likewise. * math/libm-test.inc: Add tests for errno after sin/cos calls with ±Inf.
Diffstat (limited to 'sysdeps/x86_64')
-rw-r--r--sysdeps/x86_64/fpu/s_cosl.S16
-rw-r--r--sysdeps/x86_64/fpu/s_sinl.S14
2 files changed, 26 insertions, 4 deletions
diff --git a/sysdeps/x86_64/fpu/s_cosl.S b/sysdeps/x86_64/fpu/s_cosl.S
index 6636fb5ec6..6921cda567 100644
--- a/sysdeps/x86_64/fpu/s_cosl.S
+++ b/sysdeps/x86_64/fpu/s_cosl.S
@@ -4,15 +4,22 @@
*
* Adapted for `long double' by Ulrich Drepper <drepper@cygnus.com>.
* Adapted for x86-64 by Andreas Jaeger <aj@suse.de>.
+ * Fixed errno handling by Ulrich Drepper <drepper@redhat.com>.
*/
+#define __need_Emath
+#include <bits/errno.h>
#include <machine/asm.h>
-RCSID("$NetBSD: $")
-
ENTRY(__cosl)
fldt 8(%rsp)
- fcos
+ fxam
+ fstsw %ax
+ movb $0x45, %dh
+ andb %ah, %dh
+ cmpb $0x05, %dh
+ je 3f
+4: fcos
fnstsw %ax
testl $0x400,%eax
jnz 1f
@@ -28,5 +35,8 @@ ENTRY(__cosl)
fstp %st(1)
fcos
ret
+3: call __errno_location@PLT
+ movl $EDOM, (%rax)
+ jmp 4b
END (__cosl)
weak_alias (__cosl, cosl)
diff --git a/sysdeps/x86_64/fpu/s_sinl.S b/sysdeps/x86_64/fpu/s_sinl.S
index 181f112f4f..79fc4af95b 100644
--- a/sysdeps/x86_64/fpu/s_sinl.S
+++ b/sysdeps/x86_64/fpu/s_sinl.S
@@ -4,13 +4,22 @@
*
* Adapted for `long double' by Ulrich Drepper <drepper@cygnus.com>.
* Adapted for x86-64 by Andreas Jaeger <aj@suse.de>.
+ * Fixed errno handling by Ulrich Drepper <drepper@redhat.com>.
*/
+#define __need_Emath
+#include <bits/errno.h>
#include <machine/asm.h>
ENTRY(__sinl)
fldt 8(%rsp)
- fsin
+ fxam
+ fstsw %ax
+ movb $0x45, %dh
+ andb %ah, %dh
+ cmpb $0x05, %dh
+ je 3f
+4: fsin
fnstsw %ax
testl $0x400,%eax
jnz 1f
@@ -26,5 +35,8 @@ ENTRY(__sinl)
fstp %st(1)
fsin
ret
+3: call __errno_location@PLT
+ movl $EDOM, (%rax)
+ jmp 4b
END (__sinl)
weak_alias (__sinl, sinl)