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* [Bug middle-end/50633] New: [4.7 Regression] New test failures
@ 2011-10-06 16:01 hjl.tools at gmail dot com
2011-10-06 16:06 ` [Bug middle-end/50633] " ro at gcc dot gnu.org
` (12 more replies)
0 siblings, 13 replies; 14+ messages in thread
From: hjl.tools at gmail dot com @ 2011-10-06 16:01 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50633
Bug #: 50633
Summary: [4.7 Regression] New test failures
Classification: Unclassified
Product: gcc
Version: 4.7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: hjl.tools@gmail.com
On Linux/x32, revision 179566 gave
FAIL: gcc.c-torture/execute/20030914-1.c execution, -O1
FAIL: gcc.c-torture/execute/20030914-1.c execution, -O2
FAIL: gcc.c-torture/execute/20030914-1.c execution, -O2 -flto
FAIL: gcc.c-torture/execute/20030914-1.c execution, -O2 -flto
-flto-partition=none
FAIL: gcc.dg/pr50132.c (internal compiler error)
FAIL: gcc.dg/pr50132.c (test for excess errors)
FAIL: gfortran.dg/g77/short.f -O1 execution test
FAIL: gfortran.dg/g77/short.f -O2 execution test
FAIL: gfortran.dg/g77/short.f -Os execution test
FAIL: gfortran.dg/reshape_rank7.f90 -O1 execution test
FAIL: gfortran.fortran-torture/execute/entry_4.f90 execution, -O2
FAIL: gfortran.fortran-torture/execute/entry_4.f90 execution, -O2
-fbounds-check
FAIL: gfortran.fortran-torture/execute/entry_4.f90 execution, -O2
-fomit-frame-pointer -finline-functions
FAIL: gfortran.fortran-torture/execute/entry_4.f90 execution, -O2
-fomit-frame-pointer -finline-functions -funroll-loops
FAIL: gfortran.fortran-torture/execute/entry_4.f90 execution, -O3 -g
FAIL: gfortran.fortran-torture/execute/entry_4.f90 execution, -O2
-ftree-vectorize -msse2
FAIL: gfortran.fortran-torture/execute/stack_varsize.f90 execution, -O3 -g
FAIL: gfortran.fortran-torture/execute/stack_varsize.f90 execution, -O2
-ftree-vectorize -msse2
FAIL: libgomp.c++/collapse-2.C -O1 execution test
FAIL: libgomp.fortran/appendix-a/a.16.1.f90 -O1 execution test
FAIL: libgomp.fortran/omp_workshare2.f -O execution test
Revision 179528 is OK.
^ permalink raw reply [flat|nested] 14+ messages in thread
* [Bug middle-end/50633] [4.7 Regression] New test failures
2011-10-06 16:01 [Bug middle-end/50633] New: [4.7 Regression] New test failures hjl.tools at gmail dot com
@ 2011-10-06 16:06 ` ro at gcc dot gnu.org
2011-10-06 16:24 ` dominiq at lps dot ens.fr
` (11 subsequent siblings)
12 siblings, 0 replies; 14+ messages in thread
From: ro at gcc dot gnu.org @ 2011-10-06 16:06 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50633
Rainer Orth <ro at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |ro at gcc dot gnu.org
--- Comment #1 from Rainer Orth <ro at gcc dot gnu.org> 2011-10-06 16:05:18 UTC ---
I also see the entry_4.f90 failures on i386-pc-solaris2.10 (but only those).
Rainer
^ permalink raw reply [flat|nested] 14+ messages in thread
* [Bug middle-end/50633] [4.7 Regression] New test failures
2011-10-06 16:01 [Bug middle-end/50633] New: [4.7 Regression] New test failures hjl.tools at gmail dot com
2011-10-06 16:06 ` [Bug middle-end/50633] " ro at gcc dot gnu.org
@ 2011-10-06 16:24 ` dominiq at lps dot ens.fr
2011-10-06 17:40 ` hjl.tools at gmail dot com
` (10 subsequent siblings)
12 siblings, 0 replies; 14+ messages in thread
From: dominiq at lps dot ens.fr @ 2011-10-06 16:24 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50633
--- Comment #2 from Dominique d'Humieres <dominiq at lps dot ens.fr> 2011-10-06 16:23:37 UTC ---
> FAIL: gfortran.fortran-torture/execute/entry_4.f90 execution, -O2
It is pr50628.
> FAIL: gcc.dg/pr50132.c (internal compiler error)
The ICE is
/opt/gcc/work/gcc/testsuite/gcc.dg/pr50132.c: In function 'foo':
/opt/gcc/work/gcc/testsuite/gcc.dg/pr50132.c:10:1: internal compiler error: in
maybe_record_trace_start, at dwarf2cfi.c:2243
I don't see the other failures on x86_64-apple-darwin10.
^ permalink raw reply [flat|nested] 14+ messages in thread
* [Bug middle-end/50633] [4.7 Regression] New test failures
2011-10-06 16:01 [Bug middle-end/50633] New: [4.7 Regression] New test failures hjl.tools at gmail dot com
2011-10-06 16:06 ` [Bug middle-end/50633] " ro at gcc dot gnu.org
2011-10-06 16:24 ` dominiq at lps dot ens.fr
@ 2011-10-06 17:40 ` hjl.tools at gmail dot com
2011-10-06 17:56 ` hjl.tools at gmail dot com
` (9 subsequent siblings)
12 siblings, 0 replies; 14+ messages in thread
From: hjl.tools at gmail dot com @ 2011-10-06 17:40 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50633
H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |bernds at gcc dot gnu.org
--- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> 2011-10-06 17:39:24 UTC ---
-fshrink-wrap caused those failures:
FAIL: gcc.c-torture/execute/20030914-1.c execution, -O1
FAIL: gcc.c-torture/execute/20030914-1.c execution, -O2
FAIL: gcc.c-torture/execute/20030914-1.c execution, -O2 -flto
FAIL: gcc.c-torture/execute/20030914-1.c execution, -O2 -flto
-flto-partition=none
FAIL: gfortran.dg/g77/short.f -O1 execution test
FAIL: gfortran.dg/g77/short.f -O2 execution test
FAIL: gfortran.dg/g77/short.f -Os execution test
FAIL: gfortran.dg/reshape_rank7.f90 -O1 execution test
FAIL: gfortran.fortran-torture/execute/stack_varsize.f90 execution, -O3 -g
FAIL: gfortran.fortran-torture/execute/stack_varsize.f90 execution, -O2
-ftree-vectorize -msse2
FAIL: libgomp.c++/collapse-2.C -O1 execution test
FAIL: libgomp.fortran/appendix-a/a.16.1.f90 -O1 execution test
FAIL: libgomp.fortran/omp_workshare2.f -O execution test
^ permalink raw reply [flat|nested] 14+ messages in thread
* [Bug middle-end/50633] [4.7 Regression] New test failures
2011-10-06 16:01 [Bug middle-end/50633] New: [4.7 Regression] New test failures hjl.tools at gmail dot com
` (2 preceding siblings ...)
2011-10-06 17:40 ` hjl.tools at gmail dot com
@ 2011-10-06 17:56 ` hjl.tools at gmail dot com
2011-10-06 18:39 ` hjl.tools at gmail dot com
` (8 subsequent siblings)
12 siblings, 0 replies; 14+ messages in thread
From: hjl.tools at gmail dot com @ 2011-10-06 17:56 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50633
--- Comment #4 from H.J. Lu <hjl.tools at gmail dot com> 2011-10-06 17:55:48 UTC ---
Here is a small testcase. shrink-wrap screwed up stack adjustment
for local variables:
[hjl@gnu-mic-2 pr50633]$ cat x.i
struct s { int val[16]; };
extern double f (struct s pb, double pc);
int main ()
{
struct s x;
int i;
for (i = 0; i < 16; i++)
x.val[i] = i + 1;
if (f (x, 10000.0L) != 10136.0L)
__builtin_abort ();
return 0;
}
[hjl@gnu-mic-2 pr50633]$ /export/build/gnu/gcc-x32/build-x86_64-linux/gcc/xgcc
-B/export/build/gnu/gcc-x32/build-x86_64-linux/gcc/ -mx32 -O -S x.i
-fno-shrink-wrap -o good.s
[hjl@gnu-mic-2 pr50633]$ /export/build/gnu/gcc-x32/build-x86_64-linux/gcc/xgcc
-B/export/build/gnu/gcc-x32/build-x86_64-linux/gcc/ -mx32 -O -S x.i -o bad.s
[hjl@gnu-mic-2 pr50633]$ cat good.s
.file "x.i"
.text
.globl main
.type main, @function
main:
.LFB0:
.cfi_startproc
subq $136, %rsp
.cfi_def_cfa_offset 144
movl $0, %eax
movl %esp, %ecx
addl $60, %ecx
.L2:
addl $1, %eax
leal (%rcx,%rax,4), %edx
movl %eax, (%edx)
cmpl $16, %eax
jne .L2
movq 64(%rsp), %rax
movq %rax, (%rsp)
movq 72(%rsp), %rax
movq %rax, 8(%rsp)
movq 80(%rsp), %rax
movq %rax, 16(%rsp)
movq 88(%rsp), %rax
movq %rax, 24(%rsp)
movq 96(%rsp), %rax
movq %rax, 32(%rsp)
movq 104(%rsp), %rax
movq %rax, 40(%rsp)
movq 112(%rsp), %rax
movq %rax, 48(%rsp)
movq 120(%rsp), %rax
movq %rax, 56(%rsp)
movsd .LC0(%rip), %xmm0
call f
ucomisd .LC1(%rip), %xmm0
jp .L5
je .L7
.L5:
call abort
.L7:
movl $0, %eax
addq $136, %rsp
.cfi_def_cfa_offset 8
ret
.cfi_endproc
.LFE0:
.size main, .-main
.section .rodata.cst8,"aM",@progbits,8
.align 8
.LC0:
.long 0
.long 1086556160
.align 8
.LC1:
.long 0
.long 1086573568
.ident "GCC: (GNU) 4.7.0 20111005 (experimental)"
.section .note.GNU-stack,"",@progbits
[hjl@gnu-mic-2 pr50633]$ cat bad.s
.file "x.i"
.text
.globl main
.type main, @function
main:
.LFB0:
.cfi_startproc
movl $0, %eax
movl %esp, %ecx
addl $60, %ecx
.L2:
addl $1, %eax
leal (%rcx,%rax,4), %edx
movl %eax, (%edx)
cmpl $16, %eax
jne .L2
subq $136, %rsp
.cfi_def_cfa_offset 144
movq 64(%rsp), %rax
movq %rax, (%rsp)
movq 72(%rsp), %rax
movq %rax, 8(%rsp)
movq 80(%rsp), %rax
movq %rax, 16(%rsp)
movq 88(%rsp), %rax
movq %rax, 24(%rsp)
movq 96(%rsp), %rax
movq %rax, 32(%rsp)
movq 104(%rsp), %rax
movq %rax, 40(%rsp)
movq 112(%rsp), %rax
movq %rax, 48(%rsp)
movq 120(%rsp), %rax
movq %rax, 56(%rsp)
movsd .LC0(%rip), %xmm0
call f
ucomisd .LC1(%rip), %xmm0
jp .L5
je .L7
.L5:
call abort
.L7:
movl $0, %eax
addq $136, %rsp
.cfi_def_cfa_offset 8
ret
.cfi_endproc
.LFE0:
.size main, .-main
.section .rodata.cst8,"aM",@progbits,8
.align 8
.LC0:
.long 0
.long 1086556160
.align 8
.LC1:
.long 0
.long 1086573568
.ident "GCC: (GNU) 4.7.0 20111005 (experimental)"
.section .note.GNU-stack,"",@progbits
[hjl@gnu-mic-2 pr50633]$ diff -up good.s bad.s
--- good.s 2011-10-06 10:52:45.410961190 -0700
+++ bad.s 2011-10-06 10:52:48.938896097 -0700
@@ -5,8 +5,6 @@
main:
.LFB0:
.cfi_startproc
- subq $136, %rsp
- .cfi_def_cfa_offset 144
movl $0, %eax
movl %esp, %ecx
addl $60, %ecx
@@ -16,6 +14,8 @@ main:
movl %eax, (%edx)
cmpl $16, %eax
jne .L2
+ subq $136, %rsp
+ .cfi_def_cfa_offset 144
movq 64(%rsp), %rax
movq %rax, (%rsp)
movq 72(%rsp), %rax
[hjl@gnu-mic-2 pr50633]$
^ permalink raw reply [flat|nested] 14+ messages in thread
* [Bug middle-end/50633] [4.7 Regression] New test failures
2011-10-06 16:01 [Bug middle-end/50633] New: [4.7 Regression] New test failures hjl.tools at gmail dot com
` (3 preceding siblings ...)
2011-10-06 17:56 ` hjl.tools at gmail dot com
@ 2011-10-06 18:39 ` hjl.tools at gmail dot com
2011-10-06 18:44 ` bernds at gcc dot gnu.org
` (7 subsequent siblings)
12 siblings, 0 replies; 14+ messages in thread
From: hjl.tools at gmail dot com @ 2011-10-06 18:39 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50633
--- Comment #5 from H.J. Lu <hjl.tools at gmail dot com> 2011-10-06 18:38:21 UTC ---
static int
frame_required_for_rtx (rtx *loc, void *data ATTRIBUTE_UNUSED)
{
rtx x = *loc;
if (x == stack_pointer_rtx || x == hard_frame_pointer_rtx
|| x == arg_pointer_rtx || x == pic_offset_table_rtx)
return 1;
return 0;
}
failed to handle
(gdb) call debug_rtx (insn)
(insn 99 34 36 2 (set (reg:SI 2 cx [106])
(reg:SI 7 sp)) x.i:11 64 {*movsi_internal}
(nil))
(gdb)
X32 has "(reg/f:DI 7 sp)" as hardware stack pointer. It also
should check regno.
^ permalink raw reply [flat|nested] 14+ messages in thread
* [Bug middle-end/50633] [4.7 Regression] New test failures
2011-10-06 16:01 [Bug middle-end/50633] New: [4.7 Regression] New test failures hjl.tools at gmail dot com
` (4 preceding siblings ...)
2011-10-06 18:39 ` hjl.tools at gmail dot com
@ 2011-10-06 18:44 ` bernds at gcc dot gnu.org
2011-10-06 18:51 ` hjl.tools at gmail dot com
` (6 subsequent siblings)
12 siblings, 0 replies; 14+ messages in thread
From: bernds at gcc dot gnu.org @ 2011-10-06 18:44 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50633
--- Comment #6 from Bernd Schmidt <bernds at gcc dot gnu.org> 2011-10-06 18:43:21 UTC ---
How do you build this? What's the target triplet?
^ permalink raw reply [flat|nested] 14+ messages in thread
* [Bug middle-end/50633] [4.7 Regression] New test failures
2011-10-06 16:01 [Bug middle-end/50633] New: [4.7 Regression] New test failures hjl.tools at gmail dot com
` (5 preceding siblings ...)
2011-10-06 18:44 ` bernds at gcc dot gnu.org
@ 2011-10-06 18:51 ` hjl.tools at gmail dot com
2011-10-06 18:52 ` hjl.tools at gmail dot com
` (5 subsequent siblings)
12 siblings, 0 replies; 14+ messages in thread
From: hjl.tools at gmail dot com @ 2011-10-06 18:51 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50633
--- Comment #7 from H.J. Lu <hjl.tools at gmail dot com> 2011-10-06 18:50:14 UTC ---
This patch seems to work:
diff --git a/gcc/function.c b/gcc/function.c
index 863f09d..0bc1dd9 100644
--- a/gcc/function.c
+++ b/gcc/function.c
@@ -5312,6 +5312,21 @@ frame_required_for_rtx (rtx *loc, void *data
ATTRIBUTE_UNUSED)
if (x == stack_pointer_rtx || x == hard_frame_pointer_rtx
|| x == arg_pointer_rtx || x == pic_offset_table_rtx)
return 1;
+ if (x != NULL
+ && REG_P (x)
+ && ((stack_pointer_rtx != NULL
+ && REG_P (stack_pointer_rtx)
+ && REGNO (x) == REGNO (stack_pointer_rtx))
+ || (hard_frame_pointer_rtx != NULL
+ && REG_P (hard_frame_pointer_rtx)
+ && REGNO (x) == REGNO (hard_frame_pointer_rtx))
+ || (arg_pointer_rtx != NULL
+ && REG_P (arg_pointer_rtx)
+ && REGNO (x) == REGNO (arg_pointer_rtx))
+ || (pic_offset_table_rtx != NULL
+ && REG_P (pic_offset_table_rtx)
+ && REGNO (x) == REGNO (pic_offset_table_rtx))))
+ return 1;
return 0;
}
^ permalink raw reply [flat|nested] 14+ messages in thread
* [Bug middle-end/50633] [4.7 Regression] New test failures
2011-10-06 16:01 [Bug middle-end/50633] New: [4.7 Regression] New test failures hjl.tools at gmail dot com
` (6 preceding siblings ...)
2011-10-06 18:51 ` hjl.tools at gmail dot com
@ 2011-10-06 18:52 ` hjl.tools at gmail dot com
2011-10-06 19:59 ` bernds at gcc dot gnu.org
` (4 subsequent siblings)
12 siblings, 0 replies; 14+ messages in thread
From: hjl.tools at gmail dot com @ 2011-10-06 18:52 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50633
H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |4.7.0
--- Comment #8 from H.J. Lu <hjl.tools at gmail dot com> 2011-10-06 18:51:45 UTC ---
(In reply to comment #6)
> How do you build this? What's the target triplet?
If you build GCC for Linux/x86-64, you will get x32 code generation
and you can see the problem from assembly output.
^ permalink raw reply [flat|nested] 14+ messages in thread
* [Bug middle-end/50633] [4.7 Regression] New test failures
2011-10-06 16:01 [Bug middle-end/50633] New: [4.7 Regression] New test failures hjl.tools at gmail dot com
` (7 preceding siblings ...)
2011-10-06 18:52 ` hjl.tools at gmail dot com
@ 2011-10-06 19:59 ` bernds at gcc dot gnu.org
2011-10-06 20:09 ` hjl.tools at gmail dot com
` (3 subsequent siblings)
12 siblings, 0 replies; 14+ messages in thread
From: bernds at gcc dot gnu.org @ 2011-10-06 19:59 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50633
--- Comment #9 from Bernd Schmidt <bernds at gcc dot gnu.org> 2011-10-06 19:59:18 UTC ---
Created attachment 25434
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=25434
Test patch
Can you give this a try? Seems to fix the testcase.
^ permalink raw reply [flat|nested] 14+ messages in thread
* [Bug middle-end/50633] [4.7 Regression] New test failures
2011-10-06 16:01 [Bug middle-end/50633] New: [4.7 Regression] New test failures hjl.tools at gmail dot com
` (8 preceding siblings ...)
2011-10-06 19:59 ` bernds at gcc dot gnu.org
@ 2011-10-06 20:09 ` hjl.tools at gmail dot com
2011-10-07 12:10 ` bernds at gcc dot gnu.org
` (2 subsequent siblings)
12 siblings, 0 replies; 14+ messages in thread
From: hjl.tools at gmail dot com @ 2011-10-06 20:09 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50633
--- Comment #10 from H.J. Lu <hjl.tools at gmail dot com> 2011-10-06 20:09:13 UTC ---
(In reply to comment #9)
> Created attachment 25434 [details]
> Test patch
>
> Can you give this a try? Seems to fix the testcase.
It works. Thanks.
^ permalink raw reply [flat|nested] 14+ messages in thread
* [Bug middle-end/50633] [4.7 Regression] New test failures
2011-10-06 16:01 [Bug middle-end/50633] New: [4.7 Regression] New test failures hjl.tools at gmail dot com
` (9 preceding siblings ...)
2011-10-06 20:09 ` hjl.tools at gmail dot com
@ 2011-10-07 12:10 ` bernds at gcc dot gnu.org
2011-10-07 12:21 ` bernds at gcc dot gnu.org
2011-10-07 16:21 ` hjl.tools at gmail dot com
12 siblings, 0 replies; 14+ messages in thread
From: bernds at gcc dot gnu.org @ 2011-10-07 12:10 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50633
--- Comment #11 from Bernd Schmidt <bernds at gcc dot gnu.org> 2011-10-07 12:10:11 UTC ---
I see none of these failures in the x86_64 test run with my last patch applied.
Can you confirm that it's fixed?
^ permalink raw reply [flat|nested] 14+ messages in thread
* [Bug middle-end/50633] [4.7 Regression] New test failures
2011-10-06 16:01 [Bug middle-end/50633] New: [4.7 Regression] New test failures hjl.tools at gmail dot com
` (10 preceding siblings ...)
2011-10-07 12:10 ` bernds at gcc dot gnu.org
@ 2011-10-07 12:21 ` bernds at gcc dot gnu.org
2011-10-07 16:21 ` hjl.tools at gmail dot com
12 siblings, 0 replies; 14+ messages in thread
From: bernds at gcc dot gnu.org @ 2011-10-07 12:21 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50633
--- Comment #12 from Bernd Schmidt <bernds at gcc dot gnu.org> 2011-10-07 12:20:57 UTC ---
Sorry, commit didn't go through earlier - it's in now.
^ permalink raw reply [flat|nested] 14+ messages in thread
* [Bug middle-end/50633] [4.7 Regression] New test failures
2011-10-06 16:01 [Bug middle-end/50633] New: [4.7 Regression] New test failures hjl.tools at gmail dot com
` (11 preceding siblings ...)
2011-10-07 12:21 ` bernds at gcc dot gnu.org
@ 2011-10-07 16:21 ` hjl.tools at gmail dot com
12 siblings, 0 replies; 14+ messages in thread
From: hjl.tools at gmail dot com @ 2011-10-07 16:21 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50633
H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution| |FIXED
--- Comment #13 from H.J. Lu <hjl.tools at gmail dot com> 2011-10-07 16:20:59 UTC ---
Fixed as of revision 179662.
^ permalink raw reply [flat|nested] 14+ messages in thread
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