2.5-18.1

1 files changed, 25 insertions, 44 deletions

diff --git a/sysdeps/powerpc/powerpc32/fpu/s_roundf.S b/sysdeps/powerpc/powerpc32/fpu/s_roundf.S
index ea8aaf3add..7e99bca315 100644
--- a/sysdeps/powerpc/powerpc32/fpu/s_roundf.S
+++ b/sysdeps/powerpc/powerpc32/fpu/s_roundf.S
@@ -1,5 +1,5 @@
 /* roundf  function.  PowerPC32 version.
-   Copyright (C) 2004 Free Software Foundation, Inc.
+   Copyright (C) 2004, 2006 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
@@ -14,40 +14,17 @@
 
    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.  */
+   Software Foundation, Inc., 1 Franklin Street, Fifth Floor, Boston MA
+   02110-1301 USA.  */
 
 #include <sysdep.h>
 
-	.section	.rodata
-	.align 3
-	.type	TWO23.0,@object
-	.size	TWO23.0,8
-TWO23.0:
-	.long 0x43300000
-	.long 0
-	.type	POINTFIVE.0,@object
-	.size	POINTFIVE.0,8
-POINTFIVE.0:
-	.long 0x3fe00000
-	.long 0
-	.type	NEGZERO.0,@object
-	.size	NEGZERO.0,8
-NEGZERO.0:
-	.long 0x80000000
-	.long 0
-
 	.section	.rodata.cst8,"aM",@progbits,8
-	.align 3
+	.align	2
 .LC0:	/* 2**23 */
-	.long 0x41600000
-	.long 0
+	.long 0x4b000000
 .LC1:	/* 0.5 */
-	.long 0x3fe00000
-	.long 0
-.LC2:	/* -0.0 */
-	.long 0x80000000
-	.long 0
+	.long 0x3f000000
 
 /* float [fp1] roundf  (float x [fp1])
    IEEE 1003.1 round function.  IEEE specifies "round to the nearest 
@@ -59,18 +36,28 @@ NEGZERO.0:
    "Round toward Zero" mode and round by adding +-0.5 before rounding
    to the integer value.  */
 
+	.section	".text"
 ENTRY (__roundf )
 	mffs	fp11		/* Save current FPU rounding mode.  */
 #ifdef SHARED
 	mflr	r11
+	cfi_register(lr,r11)
+# ifdef HAVE_ASM_PPC_REL16
+	bcl	20,31,1f
+1:	mflr	r9
+	addis	r9,r9,.LC0-1b@ha
+	addi	r9,r9,.LC0-1b@l
+# else
 	bl	_GLOBAL_OFFSET_TABLE_@local-4
 	mflr	r10
 	lwz	r9,.LC0@got(10)
+# endif
 	mtlr	r11
-	lfd	fp13,0(r9)
+	cfi_same_value (lr)
+	lfs	fp13,0(r9)
 #else
 	lis	r9,.LC0@ha
-	lfd	fp13,.LC0@l(r9)
+	lfs	fp13,.LC0@l(r9)
 #endif
 	fabs	fp0,fp1
 	fsubs	fp12,fp13,fp13	/* generate 0.0  */
@@ -79,17 +66,17 @@ ENTRY (__roundf )
 	bnllr-	cr7
 	mtfsfi	7,1		/* Set rounding mode toward 0.  */
 #ifdef SHARED
-	lwz	r9,.LC1@got(10)
-	lfd	fp10,0(r9)
+	lfs	fp10,.LC1-.LC0(r9)
 #else
 	lis	r9,.LC1@ha
-	lfd	fp10,.LC1@l(r9)
+	lfs	fp10,.LC1@l(r9)
 #endif
 	ble-	cr6,.L4
 	fadds	fp1,fp1,fp10	/* x+= 0.5;  */
 	fadds	fp1,fp1,fp13	/* x+= TWO23;  */
 	fsubs	fp1,fp1,fp13	/* x-= TWO23;  */
-.L9:	
+	fabs	fp1,fp1		/* if (x == 0.0)  */
+				/* x = 0.0; */
 	mtfsf	0x01,fp11	/* restore previous rounding mode.  */
 	blr
 .L4:
@@ -97,16 +84,10 @@ ENTRY (__roundf )
 	bge-	cr6,.L9		/* if (x < 0.0)  */
 	fsubs	fp1,fp9,fp13	/* x-= TWO23;  */
 	fadds	fp1,fp1,fp13	/* x+= TWO23;  */
-	fcmpu	cr5,fp1,fp12	/* if (x > 0.0)  */
+	fnabs	fp1,fp1		/* if (x == 0.0)  */
+				/* x = -0.0; */
+.L9:
 	mtfsf	0x01,fp11	/* restore previous rounding mode.  */
-	bnelr+	cr5
-#ifdef SHARED
-	lwz	r9,.LC2@got(10)
-	lfd	fp1,0(r9)
-#else
-	lis	r9,.LC2@ha
-	lfd	fp1,.LC2@l(r9)
-#endif
 	blr
 	END (__roundf)