From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 12151 invoked by alias); 14 Jan 2005 00:34:15 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 12048 invoked by alias); 14 Jan 2005 00:34:06 -0000 Date: Fri, 14 Jan 2005 00:34:00 -0000 Message-ID: <20050114003406.12047.qmail@sourceware.org> From: "cvs-commit at gcc dot gnu dot org" To: gcc-bugs@gcc.gnu.org In-Reply-To: <20050104123832.19252.tbptbp@gmail.com> References: <20050104123832.19252.tbptbp@gmail.com> Reply-To: gcc-bugzilla@gcc.gnu.org Subject: [Bug target/19252] sub optimal use of fpu comparisons in SSE code X-Bugzilla-Reason: CC X-SW-Source: 2005-01/txt/msg01745.txt.bz2 List-Id: ------- Additional Comments From cvs-commit at gcc dot gnu dot org 2005-01-14 00:34 ------- Subject: Bug 19252 CVSROOT: /cvs/gcc Module name: gcc Changes by: rth@gcc.gnu.org 2005-01-14 00:33:51 Modified files: gcc : ChangeLog gcc/config/i386: i386-protos.h i386.c i386.md Log message: PR target/19099 PR target/19250 PR target/19252 * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq, bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH, not just TARGET_SSE. (cmpfp_i_387): Rename from cmpfp_i. Move after sse patterns. (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387. (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH. (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly. (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly. (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly. (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387, fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N. (movdicc_c_rex64): Rename with '*'. (movsfcc, movdfcc): Add checks for 387 and sse math to condition. (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New. (movsfcc_1_387): Rename from movsfcc_1. (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New. (movdfcc_1, movdfcc_1_rex64): Add check for 387. (sminsf3, smaxsf3, smindf3, smaxdf3): New. (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf, mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse, maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq, sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1, sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4, sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3, sse_movdfcc_const0_4): Remove. * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH, recognize min/max early. Update for changed sse cmove patterns. (ix86_split_sse_movcc): New. * config/i386/i386-protos.h: Update. Patches: http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.7114&r2=2.7115 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/i386/i386-protos.h.diff?cvsroot=gcc&r1=1.125&r2=1.126 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/i386/i386.c.diff?cvsroot=gcc&r1=1.776&r2=1.777 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/i386/i386.md.diff?cvsroot=gcc&r1=1.605&r2=1.606 -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19252