[gcc] GCC 4.5.0=>4.5.1

gcc/gmp/mpn/x86/pentium/lshift.asm

Index: gcc/gmp/mpn/x86/pentium/lshift.asm
diff --git a/gcc/gmp/mpn/x86/pentium/lshift.asm b/gcc/gmp/mpn/x86/pentium/lshift.asm
deleted file mode 100644
index ece51e06d3a855481d64290a3e791e031d7237e8..0000000000000000000000000000000000000000
--- a/gcc/gmp/mpn/x86/pentium/lshift.asm
+++ /dev/null
@@ -1,233 +0,0 @@
-dnl  Intel Pentium mpn_lshift -- mpn left shift.
-
-dnl  Copyright 1992, 1994, 1995, 1996, 1999, 2000, 2002 Free Software
-dnl  Foundation, Inc.
-dnl
-dnl  This file is part of the GNU MP Library.
-dnl
-dnl  The GNU MP Library is free software; you can redistribute it and/or
-dnl  modify it under the terms of the GNU Lesser General Public License as
-dnl  published by the Free Software Foundation; either version 3 of the
-dnl  License, or (at your option) any later version.
-dnl
-dnl  The GNU MP Library is distributed in the hope that it will be useful,
-dnl  but WITHOUT ANY WARRANTY; without even the implied warranty of
-dnl  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-dnl  Lesser General Public License for more details.
-dnl
-dnl  You should have received a copy of the GNU Lesser General Public License
-dnl  along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.
-
-include(`../config.m4')
-
-
-C         cycles/limb
-C P5,P54:    6.0
-C P55:       5.375
-
-
-C mp_limb_t mpn_lshift (mp_ptr dst, mp_srcptr src, mp_size_t size,
-C                       unsigned shift);
-C
-C The main shift-by-N loop should run at 5.375 c/l and that's what P55 does,
-C but P5 and P54 run only at 6.0 c/l, which is 4 cycles lost somewhere.
-
-defframe(PARAM_SHIFT,16)
-defframe(PARAM_SIZE, 12)
-defframe(PARAM_SRC,  8)
-defframe(PARAM_DST,  4)
-
-	TEXT
-	ALIGN(8)
-PROLOGUE(mpn_lshift)
-
-	pushl	%edi
-	pushl	%esi
-	pushl	%ebx
-	pushl	%ebp
-deflit(`FRAME',16)
-
-	movl	PARAM_DST,%edi
-	movl	PARAM_SRC,%esi
-	movl	PARAM_SIZE,%ebp
-	movl	PARAM_SHIFT,%ecx
-
-C We can use faster code for shift-by-1 under certain conditions.
-	cmp	$1,%ecx
-	jne	L(normal)
-	leal	4(%esi),%eax
-	cmpl	%edi,%eax
-	jnc	L(special)		C jump if s_ptr + 1 >= res_ptr
-	leal	(%esi,%ebp,4),%eax
-	cmpl	%eax,%edi
-	jnc	L(special)		C jump if res_ptr >= s_ptr + size
-
-L(normal):
-	leal	-4(%edi,%ebp,4),%edi
-	leal	-4(%esi,%ebp,4),%esi
-
-	movl	(%esi),%edx
-	subl	$4,%esi
-	xorl	%eax,%eax
-	shldl(	%cl, %edx, %eax)	C compute carry limb
-	pushl	%eax			C push carry limb onto stack
-
-	decl	%ebp
-	pushl	%ebp
-	shrl	$3,%ebp
-	jz	L(end)
-
-	movl	(%edi),%eax		C fetch destination cache line
-
-	ALIGN(4)
-L(oop):	movl	-28(%edi),%eax		C fetch destination cache line
-	movl	%edx,%ebx
-
-	movl	(%esi),%eax
-	movl	-4(%esi),%edx
-	shldl(	%cl, %eax, %ebx)
-	shldl(	%cl, %edx, %eax)
-	movl	%ebx,(%edi)
-	movl	%eax,-4(%edi)
-
-	movl	-8(%esi),%ebx
-	movl	-12(%esi),%eax
-	shldl(	%cl, %ebx, %edx)
-	shldl(	%cl, %eax, %ebx)
-	movl	%edx,-8(%edi)
-	movl	%ebx,-12(%edi)
-
-	movl	-16(%esi),%edx
-	movl	-20(%esi),%ebx
-	shldl(	%cl, %edx, %eax)
-	shldl(	%cl, %ebx, %edx)
-	movl	%eax,-16(%edi)
-	movl	%edx,-20(%edi)
-
-	movl	-24(%esi),%eax
-	movl	-28(%esi),%edx
-	shldl(	%cl, %eax, %ebx)
-	shldl(	%cl, %edx, %eax)
-	movl	%ebx,-24(%edi)
-	movl	%eax,-28(%edi)
-
-	subl	$32,%esi
-	subl	$32,%edi
-	decl	%ebp
-	jnz	L(oop)
-
-L(end):	popl	%ebp
-	andl	$7,%ebp
-	jz	L(end2)
-L(oop2):
-	movl	(%esi),%eax
-	shldl(	%cl,%eax,%edx)
-	movl	%edx,(%edi)
-	movl	%eax,%edx
-	subl	$4,%esi
-	subl	$4,%edi
-	decl	%ebp
-	jnz	L(oop2)
-
-L(end2):
-	shll	%cl,%edx		C compute least significant limb
-	movl	%edx,(%edi)		C store it
-
-	popl	%eax			C pop carry limb
-
-	popl	%ebp
-	popl	%ebx
-	popl	%esi
-	popl	%edi
-	ret
-
-
-C We loop from least significant end of the arrays, which is only
-C permissable if the source and destination don't overlap, since the
-C function is documented to work for overlapping source and destination.
-
-L(special):
-	movl	(%esi),%edx
-	addl	$4,%esi
-
-	decl	%ebp
-	pushl	%ebp
-	shrl	$3,%ebp
-
-	addl	%edx,%edx
-	incl	%ebp
-	decl	%ebp
-	jz	L(Lend)
-
-	movl	(%edi),%eax		C fetch destination cache line
-
-	ALIGN(4)
-L(Loop):
-	movl	28(%edi),%eax		C fetch destination cache line
-	movl	%edx,%ebx
-
-	movl	(%esi),%eax
-	movl	4(%esi),%edx
-	adcl	%eax,%eax
-	movl	%ebx,(%edi)
-	adcl	%edx,%edx
-	movl	%eax,4(%edi)
-
-	movl	8(%esi),%ebx
-	movl	12(%esi),%eax
-	adcl	%ebx,%ebx
-	movl	%edx,8(%edi)
-	adcl	%eax,%eax
-	movl	%ebx,12(%edi)
-
-	movl	16(%esi),%edx
-	movl	20(%esi),%ebx
-	adcl	%edx,%edx
-	movl	%eax,16(%edi)
-	adcl	%ebx,%ebx
-	movl	%edx,20(%edi)
-
-	movl	24(%esi),%eax
-	movl	28(%esi),%edx
-	adcl	%eax,%eax
-	movl	%ebx,24(%edi)
-	adcl	%edx,%edx
-	movl	%eax,28(%edi)
-
-	leal	32(%esi),%esi		C use leal not to clobber carry
-	leal	32(%edi),%edi
-	decl	%ebp
-	jnz	L(Loop)
-
-L(Lend):
-	popl	%ebp
-	sbbl	%eax,%eax		C save carry in %eax
-	andl	$7,%ebp
-	jz	L(Lend2)
-	addl	%eax,%eax		C restore carry from eax
-L(Loop2):
-	movl	%edx,%ebx
-	movl	(%esi),%edx
-	adcl	%edx,%edx
-	movl	%ebx,(%edi)
-
-	leal	4(%esi),%esi		C use leal not to clobber carry
-	leal	4(%edi),%edi
-	decl	%ebp
-	jnz	L(Loop2)
-
-	jmp	L(L1)
-L(Lend2):
-	addl	%eax,%eax		C restore carry from eax
-L(L1):	movl	%edx,(%edi)		C store last limb
-
-	sbbl	%eax,%eax
-	negl	%eax
-
-	popl	%ebp
-	popl	%ebx
-	popl	%esi
-	popl	%edi
-	ret
-
-EPILOGUE()