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authorUlrich Drepper <drepper@redhat.com>2007-03-15 20:10:51 +0000
committerUlrich Drepper <drepper@redhat.com>2007-03-15 20:10:51 +0000
commit6b2665f534dd34c20f31dc6e3540114762a8d3a8 (patch)
treee32593b105af2dea5c2397b7527f0e0348656b95 /sysdeps/x86_64/fpu/s_log1pl.S
parent44969f17bb8e323ab66799f73a05d23a5a2cf83a (diff)
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[BZ #3919]
* math/libm-test.inc (log_test): Test -Inf and NaN. (log10_test, log1p_test, log2_test): Test -Inf. * sysdeps/i386/fpu/e_log.S (__ieee754_log): Don't raise FE_INVALID when argument is qNaN. * sysdeps/i386/fpu/e_logl.S (__ieee754_logl): Likewise. * sysdeps/i386/fpu/e_logf.S (__ieee754_logf): Likewise. * sysdeps/x86_64/fpu/e_logl.S (__ieee754_logl): Likewise. * sysdeps/x86_64/fpu/e_log10l.S (__ieee754_log10l): Replace andb $1, %ah with testb $1, %ah, don't test for parity, instead testb $4, %ah and jump if non-zero. * sysdeps/x86_64/fpu/e_log2l.S (__ieee754_log2l): Likewise. * sysdeps/x86_64/fpu/s_log1pl.S (__log1pl): Likewise. 2007-03-15 Jakub Jelinek <jakub@redhat.com>
Diffstat (limited to 'sysdeps/x86_64/fpu/s_log1pl.S')
-rw-r--r--sysdeps/x86_64/fpu/s_log1pl.S5
1 files changed, 3 insertions, 2 deletions
diff --git a/sysdeps/x86_64/fpu/s_log1pl.S b/sysdeps/x86_64/fpu/s_log1pl.S
index 7fbd0e5..ac2bd22 100644
--- a/sysdeps/x86_64/fpu/s_log1pl.S
+++ b/sysdeps/x86_64/fpu/s_log1pl.S
@@ -45,7 +45,7 @@ ENTRY(__log1pl)
fxam
fnstsw
fld %st
- andb $1,%ah
+ testb $1, %ah
jnz 3f // in case x is NaN or ħInf
4:
fabs
@@ -62,7 +62,8 @@ ENTRY(__log1pl)
2: fyl2xp1
ret
-3: jp 4b // in case x is ħInf
+3: testb $4, %ah
+ jnz 4b // in case x is ħInf
fstp %st(1)
fstp %st(1)
ret