Update.

2002-07-29  Steven Munroe  <sjmunroe@us.ibm.com>

	* sysdeps/powerpc/__longjmp.S: Moved to...
	* sysdeps/powerpc/powerpc32/__longjmp.S: ...here.
	* sysdeps/powerpc/add_n.S: Moved to...
	* sysdeps/powerpc/powerpc32/add_n.S: ...here.
	* sysdeps/powerpc/addmul_1.S: Moved to...
	* sysdeps/powerpc/powerpc32/addmul_1.S: ...here.
	* sysdeps/powerpc/atomicity.h: Moved to...
	* sysdeps/powerpc/powerpc32/atomicity.h: ...here.
	* sysdeps/powerpc/backtrace.c: Moved to...
	* sysdeps/powerpc/powerpc32/backtrace.c: ...here.
	* sysdeps/powerpc/bp-asm.h: Moved to...
	* sysdeps/powerpc/powerpc32/bp-asm.h: ...here.
	* sysdeps/powerpc/bsd-_setjmp.S: Moved to...
	* sysdeps/powerpc/powerpc32/bsd-_setjmp.S: ...here.
	* sysdeps/powerpc/bsd-setjmp.S: Moved to...
	* sysdeps/powerpc/powerpc32/bsd-setjmp.S: ...here.
	* sysdeps/powerpc/dl-machine.c: Moved to...
	* sysdeps/powerpc/powerpc32/dl-machine.c: ...here.
	* sysdeps/powerpc/dl-machine.h: Moved to...
	* sysdeps/powerpc/powerpc32/dl-machine.h: ...here.
	* sysdeps/powerpc/dl-start.S: Moved to...
	* sysdeps/powerpc/powerpc32/dl-start.S: ...here.
	* sysdeps/powerpc/gprrest0.S: Moved to...
	* sysdeps/powerpc/powerpc32/gprrest0.S: ...here.
	* sysdeps/powerpc/gprrest1.S: Moved to...
	* sysdeps/powerpc/powerpc32/gprrest1.S: ...here.
	* sysdeps/powerpc/gprsave0.S: Moved to...
	* sysdeps/powerpc/powerpc32/gprsave0.S: ...here.
	* sysdeps/powerpc/gprsave1.S: Moved to...
	* sysdeps/powerpc/powerpc32/gprsave1.S: ...here.
	* sysdeps/powerpc/lshift.S: Moved to...
	* sysdeps/powerpc/powerpc32/lshift.S: ...here.
	* sysdeps/powerpc/memset.S: Moved to...
	* sysdeps/powerpc/powerpc32/memset.S: ...here.
	* sysdeps/powerpc/mul_1.S: Moved to...
	* sysdeps/powerpc/powerpc32/mul_1.S: ...here.
	* sysdeps/powerpc/ppc-mcount.S: Moved to...
	* sysdeps/powerpc/powerpc32/ppc-mcount.S: ...here.
	* sysdeps/powerpc/register-dump.h: Moved to...
	* sysdeps/powerpc/powerpc32/register-dump.h: ...here.
	* sysdeps/powerpc/rshift.S: Moved to...
	* sysdeps/powerpc/powerpc32/rshift.S: ...here.
	* sysdeps/powerpc/setjmp.S: Moved to...
	* sysdeps/powerpc/powerpc32/setjmp.S: ...here.
	* sysdeps/powerpc/stpcpy.S: Moved to...
	* sysdeps/powerpc/powerpc32/stpcpy.S: ...here.
	* sysdeps/powerpc/strchr.S: Moved to...
	* sysdeps/powerpc/powerpc32/strchr.S: ...here.
	* sysdeps/powerpc/strcmp.S: Moved to...
	* sysdeps/powerpc/powerpc32/strcmp.S: ...here.
	* sysdeps/powerpc/strcpy.S: Moved to...
	* sysdeps/powerpc/powerpc32/strcpy.S: ...here.
	* sysdeps/powerpc/strlen.S: Moved to...
	* sysdeps/powerpc/powerpc32/strlen.S: ...here.
	* sysdeps/powerpc/sub_n.S: Moved to...
	* sysdeps/powerpc/powerpc32/sub_n.S: ...here.
	* sysdeps/powerpc/submul_1.S: Moved to...
	* sysdeps/powerpc/powerpc32/submul_1.S: ...here.
	* sysdeps/powerpc/elf/bzero.S: Moved to...
	* sysdeps/powerpc/powerpc32/elf/bzero.S: ...here.
	* sysdeps/powerpc/elf/start.S: Moved to...
	* sysdeps/powerpc/powerpc32/elf/start.S: ...here.
	* sysdeps/powerpc/fpu/__longjmp.S: Moved to...
	* sysdeps/powerpc/powerpc32/fpu/__longjmp.S: ...here.
	* sysdeps/powerpc/fpu/fprrest.S: Moved to...
	* sysdeps/powerpc/powerpc32/fpu/fprrest.S: ...here.
	* sysdeps/powerpc/fpu/fprsave.S: Moved to...
	* sysdeps/powerpc/powerpc32/fpu/fprsave.S: ...here.
	* sysdeps/powerpc/fpu/setjmp.S: Moved to...
	* sysdeps/powerpc/powerpc32/fpu/setjmp.S: ...here.
	* sysdeps/powerpc/fpu/s_copysign.S: Moved to...
	* sysdeps/powerpc/powerpc32/fpu/s_copysign.S: ...here.
	* sysdeps/powerpc/fpu/s_copysignf.S: Moved to...
	* sysdeps/powerpc/powerpc32/fpu/s_copysignf.S: ...here.
	* sysdeps/unix/sysv/linux/powerpc/brk.S: Moved to...
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/brk.S: ...here.
	* sysdeps/unix/sysv/linux/powerpc/clone.S: Moved to...
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S: ...here.
	* sysdeps/unix/sysv/linux/powerpc/glob64.c: Moved to...
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/glob64.c: ...here.
	* sysdeps/unix/sysv/linux/powerpc/kernel_stat.h: Moved to...
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/kernel_stat.h: ...here.
	* sysdeps/unix/sysv/linux/powerpc/socket.S: Moved to...
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/socket.S: ...here.
	* sysdeps/unix/sysv/linux/powerpc/sysdep.h: Moved to...
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h: ...here.
	* sysdeps/unix/sysv/linux/powerpc/syscalls.list: Moved to...
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/syscalls.list: ...here.
	Support PowerPC64.  Separate powerpc into powerpc/powerpc32 and
	powerpc/powerpc64.

2002-07-29  Steven Munroe  <sjmunroe@us.ibm.com>

	* FAQ.in: Add powerpc64 to supported targets list. Also state the
	minimum gcc version is 3.2
	* README: Add powerpc64 to supported targets list.
	* configure.in: Change machine=powerpc to machine=powerpc/powerpc32.
	Add powerpc64 and machine=powerpc/powerpc64.
	(HAVE_ASM_GLOBAL_DOT_NAME): Define if linux*powerpc/powerpc64*.
	* shlib-versions: Set DEFAULT version to 2.2.5 for powerpc64.
	* sysdeps/powerpc/Dist: Remove dl-machine.c, dl-start.S, ppc-mcount.S,
	gprsave1.S, gprsave0.S, gprrest1.S, and gprrest0.S.
	* sysdeps/powerpc/powerpc32/Dist: New file.
	* sysdeps/powerpc/Implies: Remove wordsize-32 and powerpc/soft-fp.
	* sysdeps/powerpc/powerpc32/Implies: New file.
	* sysdeps/powerpc/Makefile(cflags): Remove powerpc32 specific cflags.
	($(with-fp) = no): Move test to powerpc32/Makefile.
	($(subdir) = misc): Move to powerpc32/Makefile.
	($(build-shared) = yes): Move to powerpc32/Makefile.
	($(subdir) = csu): Move to powerpc32/Makefile.
	(sysdep-rtld-routines): Remove dl-start.  Moved these bits to ...
	* sysdeps/powerpc/powerpc32/Makefile: New file.
	* sysdeps/powerpc/Versions: Remove libgcc functions.
	* sysdeps/powerpc/powerpc32/Versions: New file.
	* sysdeps/powerpc/fpu/Makefile: Remove fprsave and fprrest.
	* sysdeps/powerpc/powerpc32/fpu/Makefile: New file.
	* sysdeps/unix/sysv/linux/configure.in (powerpc*):
	Set arch_minimum_kernel=2.4.19 for powerpc/powerpc64. Also set
	libc_cv_gcc_unwind_find_fde=yes only if !powerpc/powerpc64.
	($machine): Add powerpc/powerpc64 to if ... | for
	libc_cv_slibdir=/libc64.
	(powerpc*): Set ldd_rewrite_script.
	* sysdeps/unix/sysv/linux/powerpc/ldd-rewrite.sed: New file.
	* sysdeps/unix/sysv/linux/powerpc/Dist: Remove clone.S.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/Dist: New file.
	Add clone.S.
	* sysdeps/unix/sysv/linux/powerpc/Makefile: Remove oldgetrlimit64.
	* sysdeps/unix/sysv/linux/powerpc/Versions: Remove GLIBC_2.0
	functions.  Remove GLIBC_2.2 functions except getrlimit and
	setrlimit.  Moved them to ...
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/Versions: New file.

2002-09-04  Ulrich Drepper  <drepper@redhat.com>

	* libio/tst-atime.c: Include <errno.h>.
	(do_test): Only perform fstatvfs check if ST_NOATIME is defined.

2002-09-03  Isamu Hasegawa  <isamu@yamato.ibm.com>

	* posix/regcomp.c (regcomp): Append "__restrict" modifier to avoid
	warnings of some compilers.
	(build_collating_symbol): Change the type of characters from
	"unsigned char"	to "char", and append a cast to "char*" pointer in
	array subscript.
	(build_collating_symbol): Likewise.
	(build_equiv_class): Likewise.
	(build_charclass): Likewise.
	(re_compile_pattern): Remove incorrect cast.
	(re_compile_fastmap_iter): Change the type of characters from
	"unsigned char"	to "char", and append a cast to "char*" pointer
	in array subscript.
	(parse_bracket_exp): Likewise.
	* posix/regex_internal.c (re_string_construct_common): Likewise.
	(re_string_allocate): Likewise.
	(re_string_construct): Likewise.
	(re_string_realloc_buffers): Likewise.
	(build_wcs_buffer): Likewise.
	(re_string_reconstruct): Likewise.
	* posix/regex_internal.h: Change the type of characters in
	re_string_t and bracket_elem_t from "unsigned char" to "char".
	* posix/regexec.c (regexec): Append "__restrict" modifier to avoid
	warnings of some compilers.
	(transit_state_bkref_loop): Change the type of characters from
	"unsigned char"	to "char", and append a cast to "char*" pointer in
	array subscript.
	(check_node_accept_bytes): Likewise.
	(find_collation_sequence_value): Likewise.

1 files changed, 130 insertions, 0 deletions

diff --git a/sysdeps/powerpc/powerpc32/strchr.S b/sysdeps/powerpc/powerpc32/strchr.S
new file mode 100644
index 0000000000..1adee411b6
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/strchr.S
@@ -0,0 +1,130 @@
+/* Optimized strchr implementation for PowerPC.
+   Copyright (C) 1997, 1999, 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <sysdep.h>
+#include <bp-sym.h>
+#include <bp-asm.h>
+
+/* See strlen.s for comments on how this works.  */
+
+/* char * [r3] strchr (const char *s [r3] , int c [r4] )  */
+
+ENTRY (BP_SYM (strchr))
+
+#define rTMP1	r0
+#define rRTN	r3	/* outgoing result */
+#if __BOUNDED_POINTERS__
+# define rSTR	r4
+# define rCHR	r5	/* byte we're looking for, spread over the whole word */
+# define rWORD	r8	/* the current word */
+#else
+# define rSTR	r8	/* current word pointer */
+# define rCHR	r4	/* byte we're looking for, spread over the whole word */
+# define rWORD	r5	/* the current word */
+#endif
+#define rCLZB	rCHR	/* leading zero byte count */
+#define rFEFE	r6	/* constant 0xfefefeff (-0x01010101) */
+#define r7F7F	r7	/* constant 0x7f7f7f7f */
+#define rTMP2	r9
+#define rIGN	r10	/* number of bits we should ignore in the first word */
+#define rMASK	r11	/* mask with the bits to ignore set to 0 */
+#define rTMP3	r12
+
+	CHECK_BOUNDS_LOW (rSTR, rTMP1, rTMP2)
+	STORE_RETURN_BOUNDS (rTMP1, rTMP2)
+
+	rlwimi	rCHR, rCHR, 8, 16, 23
+	li	rMASK, -1
+	rlwimi	rCHR, rCHR, 16, 0, 15
+	rlwinm	rIGN, rRTN, 3, 27, 28
+	lis	rFEFE, -0x101
+	lis	r7F7F, 0x7f7f
+	clrrwi	rSTR, rRTN, 2
+	addi	rFEFE, rFEFE, -0x101
+	addi	r7F7F, r7F7F, 0x7f7f
+/* Test the first (partial?) word.  */
+	lwz	rWORD, 0(rSTR)
+	srw	rMASK, rMASK, rIGN
+	orc	rWORD, rWORD, rMASK
+	add	rTMP1, rFEFE, rWORD
+	nor	rTMP2, r7F7F, rWORD
+	and.	rTMP1, rTMP1, rTMP2
+	xor	rTMP3, rCHR, rWORD
+	orc	rTMP3, rTMP3, rMASK
+	b	L(loopentry)
+
+/* The loop.  */
+
+L(loop):lwzu rWORD, 4(rSTR)
+	and.	rTMP1, rTMP1, rTMP2
+/* Test for 0.	*/
+	add	rTMP1, rFEFE, rWORD
+	nor	rTMP2, r7F7F, rWORD
+	bne	L(foundit)
+	and.	rTMP1, rTMP1, rTMP2
+/* Start test for the bytes we're looking for.  */
+	xor	rTMP3, rCHR, rWORD
+L(loopentry):
+	add	rTMP1, rFEFE, rTMP3
+	nor	rTMP2, r7F7F, rTMP3
+	beq	L(loop)
+/* There is a zero byte in the word, but may also be a matching byte (either
+   before or after the zero byte).  In fact, we may be looking for a
+   zero byte, in which case we return a match.  We guess that this hasn't
+   happened, though.  */
+L(missed):
+	and.	rTMP1, rTMP1, rTMP2
+	li	rRTN, 0
+	STORE_RETURN_VALUE (rSTR)
+	beqlr
+/* It did happen. Decide which one was first...
+   I'm not sure if this is actually faster than a sequence of
+   rotates, compares, and branches (we use it anyway because it's shorter).  */
+	and	rFEFE, r7F7F, rWORD
+	or	rMASK, r7F7F, rWORD
+	and	rTMP1, r7F7F, rTMP3
+	or	rIGN, r7F7F, rTMP3
+	add	rFEFE, rFEFE, r7F7F
+	add	rTMP1, rTMP1, r7F7F
+	nor	rWORD, rMASK, rFEFE
+	nor	rTMP2, rIGN, rTMP1
+	cmplw	rWORD, rTMP2
+	bgtlr
+	cntlzw	rCLZB, rTMP2
+	srwi	rCLZB, rCLZB, 3
+	add	rRTN, rSTR, rCLZB
+	CHECK_BOUNDS_HIGH_RTN (rSTR, rTMP2, twlge)
+	STORE_RETURN_VALUE (rSTR)
+	blr
+
+L(foundit):
+	and	rTMP1, r7F7F, rTMP3
+	or	rIGN, r7F7F, rTMP3
+	add	rTMP1, rTMP1, r7F7F
+	nor	rTMP2, rIGN, rTMP1
+	cntlzw	rCLZB, rTMP2
+	subi	rSTR, rSTR, 4
+	srwi	rCLZB, rCLZB, 3
+	add	rRTN, rSTR, rCLZB
+	CHECK_BOUNDS_HIGH_RTN (rSTR, rTMP2, twlge)
+	STORE_RETURN_VALUE (rSTR)
+	blr
+END (BP_SYM (strchr))
+
+weak_alias (BP_SYM (strchr), BP_SYM (index))