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From: "jskumari at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug target/96017] Powerpc suboptimal register spill in likely path Date: Fri, 24 Nov 2023 08:46:46 +0000 [thread overview] Message-ID: <bug-96017-4-gSLH7Exc5h@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-96017-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96017 --- Comment #13 from Surya Kumari Jangala <jskumari at gcc dot gnu.org> --- With the patch at https://gcc.gnu.org/pipermail/gcc-patches/2023-October/631849.html, the testcase gets shrink wrapped. This is the assembly produced: addis 2,12,.TOC.-.LCF0@ha addi 2,2,.TOC.-.LCF0@l lwz %r10,0(%r3) addis %r9,%r2,.LC0@toc@ha ld %r9,.LC0@toc@l(%r9) cmpwi %cr0,%r10,0 lwz %r9,0(%r9) bne %cr0,.L11 extsw %r3,%r9 blr .L11: mflr %r0 std %r0,16(%r1) stdu %r1,-48(%r1) stw %r9,32(%r1) bl slowpath nop lwz %r9,32(%r1) addi %r1,%r1,48 ld %r0,16(%r1) extsw %r3,%r9 mtlr %r0 blr
next prev parent reply other threads:[~2023-11-24 8:46 UTC|newest] Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-07-01 9:57 [Bug target/96017] New: " npiggin at gmail dot com 2020-07-01 10:01 ` [Bug target/96017] " wschmidt at gcc dot gnu.org 2020-07-01 10:02 ` wschmidt at gcc dot gnu.org 2020-07-01 10:06 ` wschmidt at gcc dot gnu.org 2020-07-01 10:21 ` npiggin at gmail dot com 2020-07-01 14:00 ` bergner at gcc dot gnu.org 2020-07-01 23:58 ` segher at gcc dot gnu.org 2020-07-02 1:18 ` bergner at gcc dot gnu.org 2020-07-02 1:24 ` bergner at gcc dot gnu.org 2020-07-02 2:06 ` bergner at gcc dot gnu.org 2020-07-02 2:45 ` bergner at gcc dot gnu.org 2020-07-02 21:22 ` segher at gcc dot gnu.org 2020-07-02 21:24 ` segher at gcc dot gnu.org 2021-04-27 11:39 ` jakub at gcc dot gnu.org 2021-07-28 7:04 ` rguenth at gcc dot gnu.org 2023-11-24 8:46 ` jskumari at gcc dot gnu.org [this message] 2023-11-24 9:22 ` jskumari at gcc dot gnu.org
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