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http://sourceware.org/ml/libc-alpha/2013-08/msg00099.html
More little-endian support. I leave the main strcmp loops unchanged,
(well, except for renumbering rTMP to something other than r0 since
it's needed in an addi insn) and modify the tail for little-endian.
I noticed some of the big-endian tail code was a little untidy so have
cleaned that up too.
* sysdeps/powerpc/powerpc64/strcmp.S (rTMP2): Define as r0.
(rTMP): Define as r11.
(strcmp): Add little-endian support. Optimise tail.
* sysdeps/powerpc/powerpc32/strcmp.S: Similarly.
* sysdeps/powerpc/powerpc64/strncmp.S: Likewise.
* sysdeps/powerpc/powerpc32/strncmp.S: Likewise.
* sysdeps/powerpc/powerpc64/power4/strncmp.S: Likewise.
* sysdeps/powerpc/powerpc32/power4/strncmp.S: Likewise.
* sysdeps/powerpc/powerpc64/power7/strncmp.S: Likewise.
* sysdeps/powerpc/powerpc32/power7/strncmp.S: Likewise.
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2005-11-17 Steven Munroe <sjmunroe@us.ibm.com>
[BZ #1877]
* string/test-strncmp.c (do_test_limit): New function.
(do_test) Add cast to eliminate compiler warnings.
(do_random_tests) Add cast to eliminate compiler warnings.
(test_main) Add do_test_limit tests.
* sysdeps/powerpc/powerpc32/strncmp.S: Test length before unaligned
load.
* sysdeps/powerpc/powerpc64/strncmp.S: Likewise.
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2004-10-06 Alan Modra <amodra@bigpond.net.au>
* gmon/Makefile (CFLAGS-mcount.c): Move before inclusion of "Rules".
* sysdeps/powerpc/powerpc64/Makefile (CFLAGS-mcount.c): Add
-msoft-float.
* sysdeps/powerpc/powerpc64/sysdep.h (SAVE_ARG, REST_ARG): New macros.
(CALL_MCOUNT): Replace with a gas macro implementation.
(EALIGN): Delete PROF version.
* sysdeps/powerpc/powerpc64/__longjmp-common.S: Invoke CALL_MCOUNT.
* sysdeps/powerpc/powerpc64/bsd-_setjmp.S: Likewise.
* sysdeps/powerpc/powerpc64/bsd-setjmp.S: Likewise.
* sysdeps/powerpc/powerpc64/setjmp-common.S: Likewise.
* sysdeps/powerpc/powerpc64/memcpy.S: Likewise.
* sysdeps/powerpc/powerpc64/memset.S: Likewise.
* sysdeps/powerpc/powerpc64/stpcpy.S: Likewise.
* sysdeps/powerpc/powerpc64/strchr.S: Likewise.
* sysdeps/powerpc/powerpc64/strcmp.S: Likewise.
* sysdeps/powerpc/powerpc64/strcpy.S: Likewise.
* sysdeps/powerpc/powerpc64/strlen.S: Likewise.
* sysdeps/powerpc/powerpc64/strncmp.S: Likewise.
* sysdeps/powerpc/powerpc64/fpu/s_ceil.S: Likewise.
* sysdeps/powerpc/powerpc64/fpu/s_ceilf.S: Likewise.
* sysdeps/powerpc/powerpc64/fpu/s_copysign.S: Likewise.
* sysdeps/powerpc/powerpc64/fpu/s_floor.S: Likewise.
* sysdeps/powerpc/powerpc64/fpu/s_floorf.S: Likewise.
* sysdeps/powerpc/powerpc64/fpu/s_llrint.S: Likewise.
* sysdeps/powerpc/powerpc64/fpu/s_llrintf.S: Likewise.
* sysdeps/powerpc/powerpc64/fpu/s_llround.S: Likewise.
* sysdeps/powerpc/powerpc64/fpu/s_llroundf.S: Likewise.
* sysdeps/powerpc/powerpc64/fpu/s_rint.S: Likewise.
* sysdeps/powerpc/powerpc64/fpu/s_rintf.S: Likewise.
* sysdeps/powerpc/powerpc64/fpu/s_round.S: Likewise.
* sysdeps/powerpc/powerpc64/fpu/s_roundf.S: Likewise.
* sysdeps/powerpc/powerpc64/fpu/s_trunc.S: Likewise.
* sysdeps/powerpc/powerpc64/fpu/s_truncf.S: Likewise.
* sysdeps/powerpc/powerpc64/setjmp-common.S: Add extra entry point
past _mcount call.
* sysdeps/powerpc/powerpc64/bsd-_setjmp.S: Use it.
* sysdeps/powerpc/powerpc64/bsd-setjmp.S: Likewise.
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2003-10-31 Steven Munroe <sjmunroe@us.ibm.com>
* sysdeps/powerpc/powerpc32/strncmp.S: New File.
* sysdeps/powerpc/powerpc64/strncmp.S: New File.
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