From 4d37c8aa01de8894ff5a2554888a0f752d31fb04 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Thu, 6 Jan 2005 21:52:35 +0000 Subject: Update. 2004-12-22 Steven Munroe * 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. --- sysdeps/powerpc/powerpc64/fpu/s_trunc.S | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) (limited to 'sysdeps/powerpc/powerpc64/fpu/s_trunc.S') diff --git a/sysdeps/powerpc/powerpc64/fpu/s_trunc.S b/sysdeps/powerpc/powerpc64/fpu/s_trunc.S index 3ddd298525..d69e371b61 100644 --- a/sysdeps/powerpc/powerpc64/fpu/s_trunc.S +++ b/sysdeps/powerpc/powerpc64/fpu/s_trunc.S @@ -22,8 +22,6 @@ .section ".toc","aw" .LC0: /* 2**52 */ .tc FD_43300000_0[TC],0x4330000000000000 -.LC2: /* -0.0 */ - .tc FD_80000000_0[TC],0x8000000000000000 .section ".text" /* double [fp1] trunc (double x [fp1]) @@ -33,7 +31,7 @@ We set "round toward Zero" mode and trunc by adding +-2**52 then subtracting +-2**52. */ -ENTRY (__trunc) +EALIGN (__trunc, 4, 0) CALL_MCOUNT 0 mffs fp11 /* Save current FPU rounding mode. */ lfd fp13,.LC0@toc(2) @@ -46,17 +44,18 @@ ENTRY (__trunc) ble- cr6,.L4 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 truncing mode. */ blr .L4: bge- cr6,.L9 /* if (x < 0.0) */ fsub fp1,fp1,fp13 /* x-= TWO52; */ fadd fp1,fp1,fp13 /* x+= TWO52; */ - 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 (__trunc) -- cgit 1.4.1