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[Bug target/17990] [3.4/4.0 Regression] sse used for negate without -mfpmath=sse
- From: "cvs-commit at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 14 Dec 2004 22:45:36 -0000
- Subject: [Bug target/17990] [3.4/4.0 Regression] sse used for negate without -mfpmath=sse
- References: <20041014032810.17990.shadow@serverart.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From cvs-commit at gcc dot gnu dot org 2004-12-14 22:45 -------
Subject: Bug 17990
CVSROOT: /cvs/gcc
Module name: gcc
Changes by: rth@gcc.gnu.org 2004-12-14 22:45:29
Modified files:
gcc : ChangeLog
gcc/config/i386: i386-protos.h i386.c i386.h i386.md
predicates.md
Log message:
PR target/17990
* config/i386/i386.c (x86_use_bt): New.
(ix86_expand_unary_operator): Use MEM_P.
(ix86_expand_fp_absneg_operator): New.
* config/i386/i386.h (x86_use_bt): Declare.
(TARGET_USE_BT): New.
* config/i386/i386-protos.h: Update.
* config/i386/i386.md (negsf2): Use ix86_expand_fp_absneg_operator.
(negdf2, negxf2, abssf2, absdf2, absxf2): Likewise.
(negsf2_memory, negsf2_ifs, negsf2_if, negdf2_memory, negdf2_ifs,
negdf2_ifs_rex64, negdf2_if, negdf2_if_rex64, negxf2_if,
abssf2_memory, abssf2_ifs, abssf2_if, absdf2_memory, absdf2_ifs,
absdf2_ifs_rex64, absdf2_if, absxf2_if): Remove.
(absnegsf2_mixed, absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed,
absnegdf2_sse, absnegdf2_i387, absnegxf2_i387): New. Merge all
neg and abs splitters. Handle DFmode in general regs in 64-bit mode.
(negextendsfdf2, absextendsfdf2): Disable for non-mixed sse math.
(btsq, btrq, btcq): New. Add peepholes as well.
(movv4sf_internal splitter): Postpone til after reload.
(movv2di_internal splitter): Likewise.
* config/i386/predicates.md (const_0_to_63_operand): New.
(absneg_operator): New.
Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.6829&r2=2.6830
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/i386/i386-protos.h.diff?cvsroot=gcc&r1=1.121&r2=1.122
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/i386/i386.c.diff?cvsroot=gcc&r1=1.752&r2=1.753
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/i386/i386.h.diff?cvsroot=gcc&r1=1.406&r2=1.407
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/i386/i386.md.diff?cvsroot=gcc&r1=1.573&r2=1.574
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/i386/predicates.md.diff?cvsroot=gcc&r1=1.8&r2=1.9
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17990