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From: "uros at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/31723] Use reciprocal and reciprocal square root with -ffast-math Date: Sat, 16 Jun 2007 09:53:00 -0000 [thread overview] Message-ID: <20070616095304.14459.qmail@sourceware.org> (raw) In-Reply-To: <bug-31723-11659@http.gcc.gnu.org/bugzilla/> ------- Comment #28 from uros at gcc dot gnu dot org 2007-06-16 09:53 ------- Subject: Bug 31723 Author: uros Date: Sat Jun 16 09:52:48 2007 New Revision: 125756 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=125756 Log: PR middle-end/31723 * hooks.c (hook_tree_tree_bool_null): New hook. * hooks.h (hook_tree_tree_bool_null): Add prototype. * tree-pass.h (pass_convert_to_rsqrt): Declare. * passes.c (init_optimization_passes): Add pass_convert_to_rsqrt. * tree-ssa-math-opts.c (execute_cse_reciprocals): Scan for a/func(b) and convert it to reciprocal a*rfunc(b). (execute_convert_to_rsqrt): New function. (gate_convert_to_rsqrt): New function. (pass_convert_to_rsqrt): New pass definition. * target.h (struct gcc_target): Add builtin_reciprocal. * target-def.h (TARGET_BUILTIN_RECIPROCAL): New define. (TARGET_INITIALIZER): Initialize builtin_reciprocal with TARGET_BUILTIN_RECIPROCAL. * doc/tm.texi (TARGET_BUILTIN_RECIPROCAL): Document. * config/i386/i386.h (TARGET_RECIP): New define. * config/i386/i386.md (divsf3): Expand by calling ix86_emit_swdivsf for TARGET_SSE_MATH and TARGET_RECIP when flag_unsafe_math_optimizations is set and not optimizing for size. (*rcpsf2_sse): New insn pattern. (*rsqrtsf2_sse): Ditto. (rsqrtsf2): New expander. Expand by calling ix86_emit_swsqrtsf for TARGET_SSE_MATH and TARGET_RECIP when flag_unsafe_math_optimizations is set and not optimizing for size. (sqrt<mode>2): Expand SFmode operands by calling ix86_emit_swsqrtsf for TARGET_SSE_MATH and TARGET_RECIP when flag_unsafe_math_optimizations is set and not optimizing for size. * config/i386/sse.md (divv4sf): Expand by calling ix86_emit_swdivsf for TARGET_SSE_MATH and TARGET_RECIP when flag_unsafe_math_optimizations is set and not optimizing for size. (*sse_rsqrtv4sf2): Do not export. (sqrtv4sf2): Ditto. (sse_rsqrtv4sf2): New expander. Expand by calling ix86_emit_swsqrtsf for TARGET_SSE_MATH and TARGET_RECIP when flag_unsafe_math_optimizations is set and not optimizing for size. (sqrtv4sf2): Ditto. * config/i386/i386.opt (mrecip): New option. * config/i386/i386-protos.h (ix86_emit_swdivsf): Declare. (ix86_emit_swsqrtsf): Ditto. * config/i386/i386.c (IX86_BUILTIN_RSQRTF): New constant. (ix86_init_mmx_sse_builtins): __builtin_ia32_rsqrtf: New builtin definition. (ix86_expand_builtin): Expand IX86_BUILTIN_RSQRTF using ix86_expand_unop1_builtin. (ix86_emit_swdivsf): New function. (ix86_emit_swsqrtsf): Ditto. (ix86_builtin_reciprocal): New function. (TARGET_BUILTIN_RECIPROCAL): Use it. (ix86_vectorize_builtin_conversion): Rename from ix86_builtin_conversion. (TARGET_VECTORIZE_BUILTIN_CONVERSION): Use renamed function. * doc/invoke.texi (Machine Dependent Options): Add -mrecip to "i386 and x86_64 Options" section. (Intel 386 and AMD x86_64 Options): Document -mrecip. testsuite/ChangeLog: PR middle-end/31723 * gcc.target/i386/recip-divf.c: New test. * gcc.target/i386/recip-sqrtf.c: Ditto. * gcc.target/i386/recip-vec-divf.c: Ditto. * gcc.target/i386/recip-vec-sqrtf.c: Ditto. * gcc.target/i386/sse-recip.c: Ditto. Added: trunk/gcc/testsuite/gcc.target/i386/recip-divf.c trunk/gcc/testsuite/gcc.target/i386/recip-sqrtf.c trunk/gcc/testsuite/gcc.target/i386/recip-vec-divf.c trunk/gcc/testsuite/gcc.target/i386/recip-vec-sqrtf.c trunk/gcc/testsuite/gcc.target/i386/sse-recip.c Modified: trunk/gcc/ChangeLog trunk/gcc/config/i386/i386-protos.h trunk/gcc/config/i386/i386.c trunk/gcc/config/i386/i386.h trunk/gcc/config/i386/i386.md trunk/gcc/config/i386/i386.opt trunk/gcc/config/i386/sse.md trunk/gcc/doc/invoke.texi trunk/gcc/doc/tm.texi trunk/gcc/hooks.c trunk/gcc/hooks.h trunk/gcc/passes.c trunk/gcc/target-def.h trunk/gcc/target.h trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-pass.h trunk/gcc/tree-ssa-math-opts.c -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31723
next prev parent reply other threads:[~2007-06-16 9:53 UTC|newest] Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top 2007-04-27 8:07 [Bug middle-end/31723] New: " jb at gcc dot gnu dot org 2007-04-27 9:16 ` [Bug middle-end/31723] " burnus at gcc dot gnu dot org 2007-04-27 9:45 ` rguenth at gcc dot gnu dot org 2007-04-27 10:27 ` jb at gcc dot gnu dot org 2007-04-27 10:29 ` jb at gcc dot gnu dot org 2007-04-27 11:01 ` jb at gcc dot gnu dot org 2007-04-27 11:09 ` rguenth at gcc dot gnu dot org 2007-04-27 11:41 ` burnus at gcc dot gnu dot org 2007-04-27 20:43 ` steven at gcc dot gnu dot org 2007-04-27 21:03 ` rguenth at gcc dot gnu dot org 2007-04-27 23:25 ` pinskia at gcc dot gnu dot org 2007-06-10 8:28 ` ubizjak at gmail dot com 2007-06-10 10:47 ` ubizjak at gmail dot com 2007-06-10 11:06 ` jb at gcc dot gnu dot org 2007-06-10 12:07 ` rguenth at gcc dot gnu dot org 2007-06-10 12:09 ` rguenth at gcc dot gnu dot org 2007-06-10 16:25 ` ubizjak at gmail dot com 2007-06-10 16:49 ` ubizjak at gmail dot com 2007-06-10 17:34 ` ubizjak at gmail dot com 2007-06-10 21:39 ` rguenther at suse dot de 2007-06-10 21:47 ` rguenth at gcc dot gnu dot org 2007-06-10 21:48 ` rguenth at gcc dot gnu dot org 2007-06-11 3:32 ` tbptbp at gmail dot com 2007-06-11 5:51 ` ubizjak at gmail dot com 2007-06-11 5:58 ` tbptbp at gmail dot com 2007-06-13 20:21 ` ubizjak at gmail dot com 2007-06-14 9:18 ` ubizjak at gmail dot com 2007-06-15 13:23 ` burnus at gcc dot gnu dot org 2007-06-16 9:53 ` uros at gcc dot gnu dot org [this message] 2007-06-18 8:56 ` ubizjak at gmail dot com
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