[gcc] GCC 4.5.0=>4.5.1

gcc/gmp/mpn/powerpc32/divrem_2.asm

Index: gcc/gmp/mpn/powerpc32/divrem_2.asm
diff --git a/gcc/gmp/mpn/powerpc32/divrem_2.asm b/gcc/gmp/mpn/powerpc32/divrem_2.asm
deleted file mode 100644
index 3261cbd727ee2e7aa6889b86a8e526ced8705955..0000000000000000000000000000000000000000
--- a/gcc/gmp/mpn/powerpc32/divrem_2.asm
+++ /dev/null
@@ -1,171 +0,0 @@
-dnl  PPC-32 mpn_divrem_2 -- Divide an mpn number by a normalized 2-limb number.
-
-dnl  Copyright 2007, 2008 Free Software Foundation, Inc.
-
-dnl  This file is part of the GNU MP Library.
-
-dnl  The GNU MP Library is free software; you can redistribute it and/or modify
-dnl  it under the terms of the GNU Lesser General Public License as published
-dnl  by the Free Software Foundation; either version 3 of the License, or (at
-dnl  your option) any later version.
-
-dnl  The GNU MP Library is distributed in the hope that it will be useful, but
-dnl  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
-dnl  or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
-dnl  License for more details.
-
-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		norm	frac
-C 7410		~36.5	~36.5
-C 744x, 745x	 29	 29
-
-C INPUT PARAMETERS
-C qp  = r3
-C fn  = r4
-C up  = r5
-C un  = r6
-C d   = r7
-
-C TODO
-C  * Decrease register usage.
-C  * Make sure mul operands and optimal for early-out.
-C  * Check that things work well for a shared library build.
-C  * Write an invert_limb, perhaps inline, perhaps as a private call.  Or at
-C    least vastly improve the current __udiv_qrnnd_c based code.
-
-
-ASM_START()
-PROLOGUE(mpn_divrem_2)
-	stwu	r1, -32(r1)
-	slwi	r0, r6, 2
-	add	r5, r5, r0
-	stmw	r28, 8(r1)
-	addi	r29, r5, -8		C up = up_param + un - 2
-	lwz	r10, 4(r7)
-	lwz	r12, 4(r29)
-	addi	r8, r3, -12
-	lwz	r7, 0(r7)
-	cmplw	cr7, r12, r10
-	lwz	r28, 0(r29)
-	blt-	cr7, L(2)
-	bgt+	cr7, L(4)
-	cmplw	cr7, r28, r7
-	blt-	cr7, L(2)
-L(4):	subfc	r28, r7, r28
-	subfe	r12, r10, r12
-	li	r3, 1
-	b	L(6)
-L(2):	li	r3, 0
-
-L(6):	add	r0, r4, r6
-	addic.	r30, r0, -2
-	ble-	cr0, L(ret)
-
-	slwi	r9, r0, 2
-	add	r8, r8, r9		C rp += un + fn
-	mtctr	r30
-
-C Compute di from d1
-	srwi	r11, r10, 16
-	nor	r0, r10, r10
-	divwu	r31, r0, r11
-	rlwinm	r5, r10, 0, 16, 31
-	mullw	r9, r11, r31
-	mullw	r6, r5, r31
-	subf	r0, r9, r0
-	slwi	r0, r0, 16
-	ori	r0, r0, 65535
-	cmplw	cr7, r0, r6
-	bge-	cr7, L(9)
-	add	r0, r0, r10
-	cmplw	cr7, r0, r10
-	cmplw	cr6, r0, r6
-	addi	r31, r31, -1		C q1--
-	cror	28, 28, 25
-	bc+	12, 28, L(9)
-	addi	r31, r31, -1		C q1--
-	add	r0, r0, r10
-L(9):	subf	r0, r6, r0
-	divwu	r6, r0, r11
-	mullw	r9, r11, r6
-	mullw	r11, r5, r6
-	subf	r0, r9, r0
-	slwi	r0, r0, 16
-	ori	r0, r0, 65535
-	cmplw	cr7, r0, r11
-	bge-	cr7, L(13)
-	add	r0, r0, r10
-	cmplw	cr7, r0, r10
-	cmplw	cr6, r0, r11
-	addi	r6, r6, -1		C q0--
-	cror	28, 28, 25
-	bc+	12, 28, L(13)
-C	add	r0, r0, r10		C final remainder
-	addi	r6, r6, -1		C q0--
-L(13):	rlwimi	r6, r31, 16, 0, 15	C assemble final quotient
-
-C Adjust di by including d0
-	mullw	r9, r10, r6		C t0 = LO(di * d1)
-	addc	r11, r9, r7
-	subfe	r0, r1, r1
-	mulhwu	r9, r6, r7		C s1 = HI(di * d0)
-	addc	r9, r11, r9
-	addze.	r0, r0
-	blt	cr0, L(17)
-L(18):	subfc	r9, r10, r9
-	addi	r6, r6, -1
-	addme.	r0, r0
-	bge+	cr0, L(18)
-L(17):
-
-C r0  r3  r4  r5  r6  r7  r8  r9 r10 r11 r12 r28 r29 r30 r31
-C     msl         di  d0  qp     d1          fn  up  un
-L(loop):
-	mullw	r0, r12, r6		C q0 = LO(n2 * di)
-	cmpw	cr7, r30, r4
-	addc	r31, r0, r28		C q0 += n1
-	mulhwu	r9, r12, r6		C q  = HI(n2 * di)
-	adde	r12, r9, r12		C q  += n2
-	addi	r30, r30, -1
-	mullw	r0, r10, r12		C d1 * q
-	li	r9, 0
-	subf	r0, r0, r28		C n1 -= d1 * q
-	addi	r5, r12, 1
-	ble-	cr7, L(23)
-	lwzu	r9, -4(r29)
-L(23):	mullw	r11, r12, r7		C t0 = LO(d0 * q)
-	subfc	r28, r7, r9		C n0 -= d0
-	subfe	r0, r10, r0		C n1 -= d1
-	mulhwu	r12, r12, r7		C t1 = HI(d0 * q)
-	subfc	r28, r11, r28		C n0 -= t0
-	subfe	r12, r12, r0		C n1 -= t1
-	cmplw	cr7, r12, r31
-	blt+	cr7, L(24)
-	addc	r28, r28, r7
-	adde	r12, r12, r10
-	addi	r5, r5, -1
-L(24):	cmplw	cr7, r12, r10
-	bge-	cr7, L(fix)
-L(bck):	stw	r5, 0(r8)
-	addi	r8, r8, -4
-	bdnz	L(loop)
-
-L(ret):	stw	r28, 0(r29)
-	stw	r12, 4(r29)
-	lmw	r28, 8(r1)
-	addi	r1, r1, 32
-	blr
-
-L(fix):	cmplw	cr6, r28, r7
-	bgt+	cr7, L(28)
-	blt-	cr6, L(bck)
-L(28):	subfc	r28, r7, r28
-	subfe	r12, r10, r12
-	addi	r5, r5, 1
-	b	L(bck)
-EPILOGUE()