AuroraMiddleware/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2024-12-22 19:00:07 +00:00
Code Issues Packages Projects Releases Wiki Activity

Update.

Browse Source 
2002-08-31  Andreas Jaeger  <aj@suse.de>

	* sysdeps/x86_64/fpu/s_copysign.S: Fix algorithm.

	* sysdeps/x86_64/fpu/libm-test-ulps: Add ulps for double tests.
This commit is contained in:
Andreas Jaeger 2002-08-31 10:33:26 +00:00
parent 22ca6116c0
commit 7c9466bc76
2 changed files with 17 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
ChangeLog
View File

@ -1,3 +1,9 @@
2002-08-31 Andreas Jaeger <aj@suse.de>
* sysdeps/x86_64/fpu/s_copysign.S: Fix algorithm.
* sysdeps/x86_64/fpu/libm-test-ulps: Add ulps for double tests.
2002-08-31 Ulrich Drepper <drepper@redhat.com>
* stdio-common/Makefile (generated): Add errlist-compat.c.

19
sysdeps/x86_64/fpu/s_copysign.S
View File

@ -27,10 +27,14 @@
#endif
.align ALIGNARG(4)
ASM_TYPE_DIRECTIVE(mask,@object)
mask:
ASM_TYPE_DIRECTIVE(signmask,@object)
signmask:
.byte 0, 0, 0, 0, 0, 0, 0, 0x80
ASM_SIZE_DIRECTIVE(mask)
.byte 0, 0, 0, 0, 0, 0, 0, 0
othermask:
.byte 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f
.byte 0, 0, 0, 0, 0, 0, 0, 0
ASM_SIZE_DIRECTIVE(othermask)
#ifdef PIC
#define MO(op) op##(%rip)
@ -39,11 +43,10 @@ mask:
#endif
ENTRY(__copysign)
movlpd MO(mask),%xmm3
andps %xmm3,%xmm0
andnpd %xmm1,%xmm3
orpd %xmm3,%xmm0
retq
andpd MO(othermask),%xmm0
andpd MO(signmask),%xmm1
orpd %xmm1,%xmm0
ret
END (__copysign)
weak_alias (__copysign, copysign)