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authorUlrich Drepper <drepper@redhat.com>2005-01-06 21:52:35 +0000
committerUlrich Drepper <drepper@redhat.com>2005-01-06 21:52:35 +0000
commit4d37c8aa01de8894ff5a2554888a0f752d31fb04 (patch)
tree49ed7294b47d8ff16311964bfd0acae1f2416da3 /sysdeps/powerpc/powerpc64/fpu/s_round.S
parent0476597b28eaabb742a138c0551b93c5b69c6e5c (diff)
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Update.
2004-12-22  Steven Munroe  <sjmunroe@us.ibm.com>

	* math/libm-test.inc (rint_test_tonearest): New test.
	(rint_test_towardzero): New test.
	(rint_test_downward): New test.
	(rint_test_upward): New test.
	* sysdeps/powerpc/powerpc32/fpu/s_ceil.S: Fix -0.0 case.
	Remove redundant const values.
	* sysdeps/powerpc/powerpc32/fpu/s_ceilf.S: Fix -0.0 case.
	Remove redundant const values.  Use float const.
	* sysdeps/powerpc/powerpc32/fpu/s_floor.S: Fix -0.0 case.
	* sysdeps/powerpc/powerpc32/fpu/s_floorf.S: Fix -0.0 case.
	Use float const.
	* sysdeps/powerpc/powerpc32/fpu/s_rint.S: Fix -0.0 case.
	* sysdeps/powerpc/powerpc32/fpu/s_rintf.S: Fix -0.0 case.
	Use float const.
	* sysdeps/powerpc/powerpc32/fpu/s_round.S: Fix -0.0 case.
	Remove redundant const values.
	* sysdeps/powerpc/powerpc32/fpu/s_roundf.S: Fix -0.0 case.
	Remove redundant const values.  Use float const.
	* sysdeps/powerpc/powerpc32/fpu/s_trunc.S: Fix -0.0 case.
	Remove redundant const values.
	* sysdeps/powerpc/powerpc32/fpu/s_truncf.S: Fix -0.0 case.
	Remove redundant const values.  Use float const.
	* sysdeps/powerpc/powerpc64/fpu/s_ceil.S: Use EALIGN for Quadword
	alignment.  Fix -0.0 case.  Remove redundant const values.
	* sysdeps/powerpc/powerpc64/fpu/s_ceilf.S: Use EALIGN for Quadword
	alignment.  Fix -0.0 case.  Remove redundant const values.
	Use float const.
	* sysdeps/powerpc/powerpc64/fpu/s_floor.S: Use EALIGN for Quadword
	alignment.  Fix -0.0 case.
	* sysdeps/powerpc/powerpc64/fpu/s_floorf.S: Use EALIGN for Quadword
	alignment.  Fix -0.0 case.  Use float const.
	* sysdeps/powerpc/powerpc64/fpu/s_rint.S: Use EALIGN for Quadword
	alignment.  Fix -0.0 case.
	* sysdeps/powerpc/powerpc64/fpu/s_rintf.S: Use EALIGN for Quadword
	alignment.  Fix -0.0 case.  Use float const.
	* sysdeps/powerpc/powerpc64/fpu/s_round.S: Use EALIGN for Quadword
	alignment.  Fix -0.0 case.  Remove redundant const values.
	* sysdeps/powerpc/powerpc64/fpu/s_roundf.S: Use EALIGN for Quadword
	alignment.  Fix -0.0 case.  Remove redundant const values.
	Use float const.
	* sysdeps/powerpc/powerpc64/fpu/s_trunc.S: Use EALIGN for Quadword
	alignment.  Fix -0.0 case.
	* sysdeps/powerpc/powerpc64/fpu/s_truncf.S: Use EALIGN for Quadword
	alignment.  Fix -0.0 case.  Remove redundant const values.
	Use float const.
Diffstat (limited to 'sysdeps/powerpc/powerpc64/fpu/s_round.S')
-rw-r--r--sysdeps/powerpc/powerpc64/fpu/s_round.S15
1 files changed, 7 insertions, 8 deletions
diff --git a/sysdeps/powerpc/powerpc64/fpu/s_round.S b/sysdeps/powerpc/powerpc64/fpu/s_round.S
index c0b6d46fea..b07a7ea15a 100644
--- a/sysdeps/powerpc/powerpc64/fpu/s_round.S
+++ b/sysdeps/powerpc/powerpc64/fpu/s_round.S
@@ -24,8 +24,6 @@
 	.tc FD_43300000_0[TC],0x4330000000000000
 .LC1:	/* 0.5 */
 	.tc FD_3fe00000_0[TC],0x3fe0000000000000
-.LC2:	/* -0.0 */
-	.tc FD_80000000_0[TC],0x8000000000000000
 	.section	".text"
 	
 /* double [fp1] round (double x [fp1])
@@ -38,7 +36,7 @@
    "Round toward Zero" mode and round by adding +-0.5 before rounding
    to the integer value.  */
 
-ENTRY (__round)
+EALIGN (__round, 4, 0)
 	CALL_MCOUNT 0
 	mffs	fp11		/* Save current FPU rounding mode.  */
 	lfd	fp13,.LC0@toc(2)
@@ -53,7 +51,8 @@ ENTRY (__round)
 	fadd	fp1,fp1,fp10	/* x+= 0.5;  */
 	fadd	fp1,fp1,fp13	/* x+= TWO52;  */
 	fsub	fp1,fp1,fp13	/* x-= TWO52;  */
-.L9:	
+	fabs	fp1,fp1		/* if (x == 0.0)  */
+				/* x = 0.0; */
 	mtfsf	0x01,fp11	/* restore previous rounding mode.  */
 	blr
 .L4:
@@ -61,10 +60,10 @@ ENTRY (__round)
 	bge-	cr6,.L9		/* if (x < 0.0)  */
 	fsub	fp1,fp9,fp13	/* x-= TWO52;  */
 	fadd	fp1,fp1,fp13	/* x+= TWO52;  */
-	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.  */	
+	fnabs	fp1,fp1		/* if (x == 0.0)  */
+				/* x = -0.0; */
+.L9:
+	mtfsf	0x01,fp11	/* restore previous rounding mode.  */	
 	blr
 	END (__round)