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| author | Ulrich Drepper <drepper@redhat.com> | 2005-01-06 21:52:35 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2005-01-06 21:52:35 +0000 |
| commit | 4d37c8aa01de8894ff5a2554888a0f752d31fb04 (patch) | |
| tree | 49ed7294b47d8ff16311964bfd0acae1f2416da3 /sysdeps/powerpc/powerpc64/fpu/s_truncf.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/powerpc64/fpu/s_truncf.S')
| -rw-r--r-- | sysdeps/powerpc/powerpc64/fpu/s_truncf.S | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/sysdeps/powerpc/powerpc64/fpu/s_truncf.S b/sysdeps/powerpc/powerpc64/fpu/s_truncf.S index b38b722a6f..15f53da8ca 100644 --- a/sysdeps/powerpc/powerpc64/fpu/s_truncf.S +++ b/sysdeps/powerpc/powerpc64/fpu/s_truncf.S @@ -21,9 +21,7 @@ .section ".toc","aw" .LC0: /* 2**23 */ - .tc FD_41600000_0[TC],0x4160000000000000 -.LC2: /* -0.0 */ - .tc FD_80000000_0[TC],0x8000000000000000 + .tc FD_4b000000_0[TC],0x4b00000000000000 .section ".text" /* float [fp1] truncf (float x [fp1]) @@ -33,10 +31,10 @@ We set "round toward Zero" mode and trunc by adding +-2**23 then subtracting +-2**23. */ -ENTRY (__truncf) +EALIGN (__truncf, 4, 0) CALL_MCOUNT 0 mffs fp11 /* Save current FPU rounding mode. */ - lfd fp13,.LC0@toc(2) + lfs fp13,.LC0@toc(2) fabs fp0,fp1 fsubs fp12,fp13,fp13 /* generate 0.0 */ fcmpu cr7,fp0,fp13 /* if (fabs(x) > TWO23) */ @@ -46,17 +44,18 @@ ENTRY (__truncf) ble- cr6,.L4 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 truncing mode. */ blr .L4: bge- cr6,.L9 /* if (x < 0.0) */ fsubs fp1,fp1,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 - lfd fp1,.LC2@toc(2) /* x must be -0.0 for the 0.0 case. */ blr END (__truncf) |