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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
parent2.5-18.1 (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)