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From: "segher at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug target/64180] PowerPC carry bit improvements Date: Wed, 10 Dec 2014 18:38:00 -0000 [thread overview] Message-ID: <bug-64180-4-FIfH9cJYaH@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-64180-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64180 --- Comment #8 from Segher Boessenkool <segher at gcc dot gnu.org> --- Author: segher Date: Wed Dec 10 18:37:58 2014 New Revision: 218595 URL: https://gcc.gnu.org/viewcvs?rev=218595&root=gcc&view=rev Log: PR target/64180 * config/rs6000/predicates.md (unsigned_comparison_operator): New. (signed_comparison_operator): New. * config/rs6000/rs6000-protos.h (rs6000_emit_eqne): Declare. * config/rs6000/rs6000.c (rs6000_emit_eqne): New function. (rs6000_emit_sCOND): Remove ISEL test (move it to the expander). * config/rs6000/rs6000.md (add<mode>3 for SDI): Expand DImode add to addc,adde directly, if !TARGET_POWERPC64. (sub<mode>3 for SDI): Expand DImode sub to subfc,subfe directly, if !TARGET_POWERPC64. (neg<mode>2): Delete expander. (*neg<mode>2): Rename to "neg<mode>2". (addti3, subti3): Delete. (addti3, subti3): New expanders. (*adddi3_noppc64, *subdi3_noppc64, *negdi2_noppc64): Delete. (cstore<mode>4_unsigned): New expander. (cstore<mode>4): Allow GPR as output (not just SI). Rewrite. (cstore<mode>4 for FP): Remove superfluous quotes. (*eq<mode>, *eq<mode>_compare, *plus_eqsi and splitter, *compare_plus_eqsi and splitter, *plus_eqsi_compare and splitter, *neg_eq0<mode>, *neg_eq<mode>, *ne0_<mode>, plus_ne0_<mode>, compare_plus_ne0_<mode> and splitter, *compare_plus_ne0_<mode>_1 and splitter, *plus_ne0_<mode>_compare and splitter, *leu<mode>, *leu<mode>_compare and splitter, *plus_leu<mode>, *neg_leu<mode>, *and_neg_leu<mode>, *ltu<mode>, *ltu<mode>_compare, *plus_ltu<mode>, *plus_ltu<mode>_1, *plus_ltu<mode>compare, *neg_ltu<mode>, *geu<mode>, *geu<mode>_compare and splitter, *plus_geu<mode>, *neg_geu<mode>, *and_neg_geu<mode>, *plus_gt0<mode>, *gtu<mode>, *gtu<mode>_compare, *plus_gtu<mode>, *plus_gtu<mode>_1, *plus_gtu<mode>_compare, *neg_gtu<mode>, 12 anonymous insns, and 12 anonymous splitters): Delete. (eq<mode>3, ne<mode>3): New. (*neg_eq_<mode>, *neg_ne_<mode>): New. (*plus_eq_<mode>, *plus_ne_<mode>): New. (*minus_eq_<mode>, *minus_ne_<mode>): New. Modified: trunk/gcc/ChangeLog trunk/gcc/config/rs6000/predicates.md trunk/gcc/config/rs6000/rs6000-protos.h trunk/gcc/config/rs6000/rs6000.c trunk/gcc/config/rs6000/rs6000.md
next prev parent reply other threads:[~2014-12-10 18:38 UTC|newest] Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top 2014-12-04 2:23 [Bug ada/64180] New: " segher at gcc dot gnu.org 2014-12-04 18:38 ` [Bug target/64180] " dje at gcc dot gnu.org 2014-12-10 18:29 ` segher at gcc dot gnu.org 2014-12-10 18:31 ` segher at gcc dot gnu.org 2014-12-10 18:31 ` segher at gcc dot gnu.org 2014-12-10 18:32 ` segher at gcc dot gnu.org 2014-12-10 18:34 ` segher at gcc dot gnu.org 2014-12-10 18:36 ` segher at gcc dot gnu.org 2014-12-10 18:38 ` segher at gcc dot gnu.org [this message] 2014-12-12 21:20 ` pthaugen at gcc dot gnu.org 2015-01-02 2:16 ` segher at gcc dot gnu.org
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