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.
