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authorUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
committerUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
commita334319f6530564d22e775935d9c91663623a1b4 (patch)
treeb5877475619e4c938e98757d518bb1e9cbead751 /sysdeps/powerpc/powerpc64/fpu/s_roundf.S
parent0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff)
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(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'sysdeps/powerpc/powerpc64/fpu/s_roundf.S')
-rw-r--r--sysdeps/powerpc/powerpc64/fpu/s_roundf.S23
1 files changed, 12 insertions, 11 deletions
diff --git a/sysdeps/powerpc/powerpc64/fpu/s_roundf.S b/sysdeps/powerpc/powerpc64/fpu/s_roundf.S
index d2e29fdb8f..23ee4c052b 100644
--- a/sysdeps/powerpc/powerpc64/fpu/s_roundf.S
+++ b/sysdeps/powerpc/powerpc64/fpu/s_roundf.S
@@ -21,9 +21,11 @@
 
 	.section	".toc","aw"
 .LC0:	/* 2**23 */
-	.tc FD_4b000000_0[TC],0x4b00000000000000
+	.tc FD_41600000_0[TC],0x4160000000000000
 .LC1:	/* 0.5 */
-	.tc FD_3f000000_0[TC],0x3f00000000000000
+	.tc FD_3fe00000_0[TC],0x3fe0000000000000
+.LC2:	/* -0.0 */
+	.tc FD_80000000_0[TC],0x8000000000000000
 	.section	".text"
 	
 /* float [fp1] roundf  (float x [fp1])
@@ -36,23 +38,22 @@
    "Round toward Zero" mode and round by adding +-0.5 before rounding
    to the integer value.  */
 
-EALIGN (__roundf, 4, 0)
+ENTRY (__roundf )
 	CALL_MCOUNT 0
 	mffs	fp11		/* Save current FPU rounding mode.  */
-	lfs	fp13,.LC0@toc(2)
+	lfd	fp13,.LC0@toc(2)
 	fabs	fp0,fp1
 	fsubs	fp12,fp13,fp13	/* generate 0.0  */
 	fcmpu	cr7,fp0,fp13	/* if (fabs(x) > TWO23)  */
 	fcmpu	cr6,fp1,fp12	/* if (x > 0.0)  */
 	bnllr-	cr7
 	mtfsfi	7,1		/* Set rounding mode toward 0.  */
-	lfs	fp10,.LC1@toc(2)
+	lfd	fp10,.LC1@toc(2)
 	ble-	cr6,.L4
 	fadds	fp1,fp1,fp10	/* x+= 0.5;  */
 	fadds	fp1,fp1,fp13	/* x+= TWO23;  */
 	fsubs	fp1,fp1,fp13	/* x-= TWO23;  */
-	fabs	fp1,fp1		/* if (x == 0.0)  */
-				/* x = 0.0; */
+.L9:	
 	mtfsf	0x01,fp11	/* restore previous rounding mode.  */
 	blr
 .L4:
@@ -60,10 +61,10 @@ EALIGN (__roundf, 4, 0)
 	bge-	cr6,.L9		/* if (x < 0.0)  */
 	fsubs	fp1,fp9,fp13	/* x-= TWO23;  */
 	fadds	fp1,fp1,fp13	/* x+= TWO23;  */
-	fnabs	fp1,fp1		/* if (x == 0.0)  */
-				/* x = -0.0; */
-.L9:
-	mtfsf	0x01,fp11	/* restore previous rounding mode.  */	
+	fcmpu	cr5,fp1,fp12	/* if (x > 0.0)  */
+	mtfsf	0x01,fp11	/* restore previous rounding mode.  */
+	bnelr+	cr5
+	lfd	fp1,.LC2@toc(2)	/* x must be -0.0 for the 0.0 case.  */	
 	blr
 	END (__roundf)