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From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug bootstrap/111601] [14 Regression] profilebootstrap fails in stagestrain in libcody on x86_64-linux-gnu and powerpc64le-linux-gnu
Date: Mon, 27 Nov 2023 13:51:41 +0000 [thread overview]
Message-ID: <bug-111601-4-0on5dPoOO5@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-111601-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111601
--- Comment #15 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Looking at the assembly difference, I see just a few functions:
--- cp/call.s2 2023-11-27 13:40:15.088908624 +0000
+++ cp/call.s1 2023-11-27 13:35:56.912298399 +0000
@@ -364,13 +364,12 @@ _ZL13splice_viableP11z_candidatebPb:
std 9,0(10)
mr 10,9
li 11,0
- addi 10,10,96
li 7,1
addi 6,6,1
addi 12,12,1
ld 9,96(9)
std 9,0(8)
- std 11,0(10)
+ std 11,96(10)
stb 7,0(5)
ori 2,2,0
ld 9,0(8)
@@ -449,10 +448,9 @@ _ZL13splice_viableP11z_candidatebPb:
.cfi_restore 25
std 9,0(10)
mr 10,9
- addi 10,10,96
li 26,0
- ld 7,.LANCHOR0+136@toc@l(11)
li 28,0
+ ld 7,.LANCHOR0+136@toc@l(11)
addi 6,6,1
addi 12,12,1
addi 7,7,1
@@ -461,8 +459,9 @@ _ZL13splice_viableP11z_candidatebPb:
li 11,0
li 7,1
std 9,0(8)
- std 11,0(10)
+ std 11,96(10)
stb 7,0(5)
+ ori 2,2,0
ld 9,0(8)
cmpdi 0,9,0
bne 0,.L104
@@ -21377,24 +21376,22 @@ _ZN2wi5lts_pI16generic_wide_intINS_13ext
nop
addis 10,2,.LANCHOR0+5848@toc@ha
mr 5,30
- addi 29,1,64
ld 9,.LANCHOR0+5848@toc@l(10)
- std 3,0(29)
+ std 3,64(1)
addi 3,1,48
- std 4,8(29)
+ std 4,72(1)
lis 4,0x2
addi 9,9,1
std 9,.LANCHOR0+5848@toc@l(10)
bl
_ZN2wi10int_traitsI16generic_wide_intINS_13extended_treeILi131072EEEEE9decomposeEPljRKS4_
nop
- addi 9,1,32
lwz 30,72(1)
ld 29,64(1)
rldicl 7,4,0,32
+ std 3,32(1)
+ std 4,40(1)
mr 6,3
cmplwi 0,7,1
- std 3,0(9)
- std 4,8(9)
beq 0,.L2422
addis 10,2,.LANCHOR0+5912@toc@ha
rldicl 4,30,0,32
@@ -51700,10 +51697,9 @@ _ZL8op_errorRK13op_location_t9tree_codeS
addis 7,2,.LC1285@toc@ha
ld 7,.LC1285@toc@l(7)
lbzx 10,10,5
- addi 10,10,58
sldi 10,10,5
add 10,7,10
- ld 29,8(10)
+ ld 29,1864(10)
.L6276:
cmpdi 0,30,0
beq 0,.L6338
@@ -172014,7 +172010,7 @@ __gcov7._Z15good_conversionP9tree_nodeS0
.long 1110716448
.zero 4
.quad 0
- .long 285183267
+ .long 284929938
.long 1725772321
.quad .LC2647
.quad __gcov_merge_add
While most of the changes look reasonable (but I haven't so far verified if the
removed additions turned into memory immediates set registers which aren't used
in other places),
the addition of ori 2,2,0 instruction seems kind of unexpected.
next prev parent reply other threads:[~2023-11-27 13:51 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-26 15:27 [Bug bootstrap/111601] New: [14 Regression] bootstrap " doko at gcc dot gnu.org
2023-09-26 17:15 ` [Bug bootstrap/111601] " pinskia at gcc dot gnu.org
2023-10-17 2:11 ` bergner at gcc dot gnu.org
2023-10-18 13:31 ` doko at gcc dot gnu.org
2023-10-18 19:48 ` bergner at gcc dot gnu.org
2023-10-18 20:41 ` bergner at gcc dot gnu.org
2023-10-18 20:53 ` pinskia at gcc dot gnu.org
2023-10-18 21:26 ` bergner at gcc dot gnu.org
2023-10-19 6:23 ` rguenth at gcc dot gnu.org
2023-11-17 5:33 ` jeevitha at gcc dot gnu.org
2023-11-24 19:59 ` jakub at gcc dot gnu.org
2023-11-26 21:36 ` [Bug bootstrap/111601] [14 Regression] profilebootstrap " jakub at gcc dot gnu.org
2023-11-27 11:37 ` jakub at gcc dot gnu.org
2023-11-27 12:24 ` rguenther at suse dot de
2023-11-27 12:27 ` jakub at gcc dot gnu.org
2023-11-27 13:31 ` jakub at gcc dot gnu.org
2023-11-27 13:51 ` jakub at gcc dot gnu.org [this message]
2023-11-27 15:14 ` jakub at gcc dot gnu.org
2023-11-27 16:21 ` jakub at gcc dot gnu.org
2023-11-27 16:45 ` jakub at gcc dot gnu.org
2023-11-27 16:57 ` jakub at gcc dot gnu.org
2023-11-27 17:01 ` jakub at gcc dot gnu.org
2023-11-27 18:33 ` jakub at gcc dot gnu.org
2023-11-27 19:24 ` jakub at gcc dot gnu.org
2023-11-27 20:02 ` jakub at gcc dot gnu.org
2023-11-27 20:17 ` jakub at gcc dot gnu.org
2023-11-29 8:18 ` cvs-commit at gcc dot gnu.org
2023-11-29 8:31 ` jakub at gcc dot gnu.org
2023-11-30 17:20 ` jeevitha at gcc dot gnu.org
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