https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105091
--- Comment #17 from Ian Lance Taylor ---
Thanks.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105091
Richard Biener changed:
What|Removed |Added
Resolution|--- |FIXED
Status|ASSIGNED
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105091
--- Comment #15 from CVS Commits ---
The master branch has been updated by Richard Biener :
https://gcc.gnu.org/g:b75f996e846d079251f3a6134617f0405c3ed535
commit r12-7932-gb75f996e846d079251f3a6134617f0405c3ed535
Author: Richard Biener
Date:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105091
--- Comment #14 from Jiu Fu Guo ---
(In reply to Richard Biener from comment #13)
...
> Does the following fix the runtime error? The RTL after DSE seems to be OK.
>
> diff --git a/gcc/gimple-expr.cc b/gcc/gimple-expr.cc
> index
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105091
Richard Biener changed:
What|Removed |Added
Assignee|unassigned at gcc dot gnu.org |rguenth at gcc dot
gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105091
--- Comment #12 from Jiu Fu Guo ---
In dse.cc, "may_be_aliased" affects "can_escape" and then affects
"kill_on_calls".
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105091
--- Comment #11 from Jiu Fu Guo ---
Find one difference between trunk and r12-656:
On trunk:
tree expr = MEM_EXPR (mem);
where mem is
(mem/f/c:DI (plus:DI (reg/f:DI 110 sfp)
(const_int 32 [0x20])) [3 GOTMP.2[0].x.__values+0 S8
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105091
--- Comment #10 from Jiu Fu Guo ---
Created attachment 52718
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52718=edit
m.go sub1.go
Based on Ian's code, the below code also reproduce this issue.
package sub1
func TestBits(callback
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105091
--- Comment #9 from Jiu Fu Guo ---
(In reply to Ian Lance Taylor from comment #8)
...
>
> package main
>
> func main() {
> for _, test := range []struct {
> x, y, want []int
> }{
> {[]int{}, []int{},
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105091
Ian Lance Taylor changed:
What|Removed |Added
CC||ian at airs dot com
--- Comment #8
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105091
--- Comment #7 from Jiu Fu Guo ---
tried to remove 'fmt' from the narrowed code, but it is still in code :)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105091
--- Comment #6 from Jiu Fu Guo ---
---bits_test.go
package big
import (
"fmt"
"testing"
)
type Bits []int
func TestMulBits(t *testing.T) {
for _, test := range []struct {
x, y, want Bits
}{
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105091
--- Comment #5 from Jiu Fu Guo ---
Created attachment 52709
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52709=edit
280r.dse1
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105091
--- Comment #4 from Jiu Fu Guo ---
Created attachment 52708
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52708=edit
279r.cse2
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105091
Richard Biener changed:
What|Removed |Added
Keywords||wrong-code
Target|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105091
--- Comment #2 from Jiu Fu Guo ---
starting to process insn 14
v: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20,
21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
41, 42, 43, 44, 45, 46,
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105091
--- Comment #1 from Jiu Fu Guo ---
Checking the dumps from dse1, some "stack memory store" are deleted
incorrectly.
12: %3:DI=call [`runtime.newobject'] argc:0
REG_CALL_DECL `runtime.newobject'
13: r117:DI=%3:DI
REG_DEAD
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