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author | Ulrich Drepper <drepper@redhat.com> | 2005-01-06 21:52:35 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 2005-01-06 21:52:35 +0000 |
commit | 4d37c8aa01de8894ff5a2554888a0f752d31fb04 (patch) | |
tree | 49ed7294b47d8ff16311964bfd0acae1f2416da3 /sysdeps/powerpc/powerpc32/fpu/s_roundf.S | |
parent | 0476597b28eaabb742a138c0551b93c5b69c6e5c (diff) | |
download | glibc-4d37c8aa01de8894ff5a2554888a0f752d31fb04.tar.gz glibc-4d37c8aa01de8894ff5a2554888a0f752d31fb04.tar.xz glibc-4d37c8aa01de8894ff5a2554888a0f752d31fb04.zip |
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/powerpc32/fpu/s_roundf.S')
-rw-r--r-- | sysdeps/powerpc/powerpc32/fpu/s_roundf.S | 53 |
1 files changed, 18 insertions, 35 deletions
diff --git a/sysdeps/powerpc/powerpc32/fpu/s_roundf.S b/sysdeps/powerpc/powerpc32/fpu/s_roundf.S index ea8aaf3add..a9b42f0170 100644 --- a/sysdeps/powerpc/powerpc32/fpu/s_roundf.S +++ b/sysdeps/powerpc/powerpc32/fpu/s_roundf.S @@ -20,34 +20,22 @@ #include <sysdep.h> .section .rodata - .align 3 + .align 2 .type TWO23.0,@object - .size TWO23.0,8 + .size TWO23.0,4 TWO23.0: - .long 0x43300000 - .long 0 + .long 0x4b000000 .type POINTFIVE.0,@object - .size POINTFIVE.0,8 + .size POINTFIVE.0,4 POINTFIVE.0: - .long 0x3fe00000 - .long 0 - .type NEGZERO.0,@object - .size NEGZERO.0,8 -NEGZERO.0: - .long 0x80000000 - .long 0 + .long 0x3f000000 - .section .rodata.cst8,"aM",@progbits,8 - .align 3 + .section .rodata.cst4,"aM",@progbits,4 + .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 @@ -67,10 +55,10 @@ ENTRY (__roundf ) mflr r10 lwz r9,.LC0@got(10) mtlr r11 - lfd fp13,0(r9) + 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 */ @@ -80,16 +68,17 @@ ENTRY (__roundf ) mtfsfi 7,1 /* Set rounding mode toward 0. */ #ifdef SHARED lwz r9,.LC1@got(10) - lfd fp10,0(r9) + lfs fp10,0(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 +86,10 @@ 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) |