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* libc/machine/sh/strcpy.S: New file. 

* libc/machine/sh/Makefile.am (lib_a_SOURCES): Add rule for it.
	* libc/machine/sh/Makefile.am: Regenerate.
This commit is contained in:
Joern Rennecke 2002-06-24 20:30:08 +00:00
parent a5dadf33f9
commit e08a611849
4 changed files with 101 additions and 8 deletions
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6
newlib/ChangeLog
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@ -1,3 +1,9 @@
Mon Jun 24 21:17:02 2002 J"orn Rennecke <joern.rennecke@superh.com>
* libc/machine/sh/strcpy.S: New file.
* libc/machine/sh/Makefile.am (lib_a_SOURCES): Add rule for it.
* libc/machine/sh/Makefile.am: Regenerate.
2002-06-24 Jeff Johnston <jjohnstn@redhat.com>
* libc/include/math.h: Remove <sys/types.h>.

4
newlib/libc/machine/sh/Makefile.am
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@ -7,9 +7,9 @@ INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS)
noinst_LIBRARIES = lib.a
if SH64
lib_a_SOURCES = memcpy.S memset.S setjmp.S strcpy.S
lib_a_SOURCES = memcpy.S memset.S setjmp.S strcpy.S strlen.S
else
lib_a_SOURCES = memcpy.S memset.S setjmp.S strcpy.S strcmp.S
lib_a_SOURCES = memcpy.S memset.S setjmp.S strcpy.S strlen.S strcmp.S
endif
memcpy.o: asm.h

12
newlib/libc/machine/sh/Makefile.in
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@ -1,6 +1,6 @@
# Makefile.in generated automatically by automake 1.4 from Makefile.am
# Makefile.in generated automatically by automake 1.4-p5 from Makefile.am
# Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc.
# Copyright (C) 1994, 1995-8, 1999, 2001 Free Software Foundation, Inc.
# This Makefile.in is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
@ -88,8 +88,8 @@ AUTOMAKE_OPTIONS = cygnus
INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS)
noinst_LIBRARIES = lib.a
@SH64_TRUE@lib_a_SOURCES = @SH64_TRUE@memcpy.S memset.S setjmp.S strcpy.S
@SH64_FALSE@lib_a_SOURCES = @SH64_FALSE@memcpy.S memset.S setjmp.S strcpy.S strcmp.S
@SH64_TRUE@lib_a_SOURCES = @SH64_TRUE@memcpy.S memset.S setjmp.S strcpy.S strlen.S
@SH64_FALSE@lib_a_SOURCES = @SH64_FALSE@memcpy.S memset.S setjmp.S strcpy.S strlen.S strcmp.S
ACLOCAL_AMFLAGS = -I ../../..
CONFIG_STATUS_DEPENDENCIES = $(newlib_basedir)/configure.host
@ -103,9 +103,9 @@ DEFS = @DEFS@ -I. -I$(srcdir)
CPPFLAGS = @CPPFLAGS@
LIBS = @LIBS@
lib_a_LIBADD =
@SH64_TRUE@lib_a_OBJECTS = memcpy.o memset.o setjmp.o strcpy.o
@SH64_TRUE@lib_a_OBJECTS = memcpy.o memset.o setjmp.o strcpy.o strlen.o
@SH64_FALSE@lib_a_OBJECTS = memcpy.o memset.o setjmp.o strcpy.o \
@SH64_FALSE@strcmp.o
@SH64_FALSE@strlen.o strcmp.o
CFLAGS = @CFLAGS@
COMPILE = $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
CCLD = $(CC)

87
newlib/libc/machine/sh/strlen.S Normal file
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@ -0,0 +1,87 @@
! Entry: arg0: string start address
! Exit: result: length
!
! Copyright 2002 SuperH Ltd.
#include "asm.h"
ENTRY(strlen)
#if __SHMEDIA__
ldlo.q r2,0,r3
ptabs/l r18,tr0
pta/l loop,tr1
andi r2,-8,r0
shlli r2,3,r1
mcmpeq.b r3,r63,r3
SHHI r3,r1,r4
beqi/u r4,0,tr1 // loop
#ifdef __LITTLE_ENDIAN__
movi -1,r2
addi r3,-1,r4
msad.ubq r3,r4,r2
#else
shlri r3,1,r3
nsb r3,r3
shlri r3,3,r2
#endif
blink tr0,r63
loop:
ldlo.q r0,8,r3
addi r0,8,r0
ldlo.q r0,8,r63
mcmpeq.b r3,r63,r3
beqi/l r3,0,tr1 // loop
sub r0,r2,r2
#ifdef __LITTLE_ENDIAN__
addi r3,-1,r4
addi r2,-1,r2
msad.ubq r3,r4,r2
#else
shlri r3,1,r3
nsb r3,r3
shlri r3,3,r3
add r2,r3,r2
#endif
blink tr0,r63
#else /* ! __SHMEDIA__, i.e. SH 1..4 / SHcompact */
#ifdef __SH5__
#define STR_INIT r2
#define STR_ORIG r0
#define STR_COPY STR_ORIG
#define MASK r1
#define TMP r3
#define RESULT r2
! r0,r1,r3: clobbered
#else
#define STR_INIT r4
#define STR_ORIG STR_INIT
#define STR_COPY STR
#define MASK r1
#define TMP r3
#define RESULT r0
! r1,r3: clobbered
#endif
#define STR RESULT
mov #3,MASK
and STR_INIT,MASK
tst MASK,MASK
SL(bf, L_char_loop, mov STR_INIT, STR_COPY)
L_word_loop:
mov.l @STR+,TMP
cmp/str MASK,TMP
bf L_word_loop
add #-4,STR
L_char_loop:
mov.b @STR+,TMP
tst TMP,TMP
bf L_char_loop
add #-1,STR
rts
sub STR_ORIG,STR
#endif /* ! __SHMEDIA__ */