git
/
gcc
mirror of git://gcc.gnu.org/git/gcc.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

re PR target/53358 (ICE due to TARGET_READ_MODIFY_WRITE peephole2) 

PR target/53358
	* config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
	that operands[2] is either immediate, or q_regs_operand.

	* gcc.dg/pr53358.c: New test.

From-SVN: r187544
This commit is contained in:
Jakub Jelinek 2012-05-15 17:19:10 +02:00 committed by Jakub Jelinek
parent d02924ef49
commit 64137a35b5
4 changed files with 36 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
gcc/ChangeLog
View File

@ -1,3 +1,9 @@
2012-05-15 Jakub Jelinek <jakub@redhat.com>
PR target/53358
* config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
that operands[2] is either immediate, or q_regs_operand.
2012-05-15 Richard Guenther <rguenther@suse.de> 2012-05-15 Richard Guenther <rguenther@suse.de>
* cgraphunit.c (thunk_adjust): Use make_rename_temp. * cgraphunit.c (thunk_adjust): Use make_rename_temp.

3
gcc/config/i386/i386.md
View File

@ -17465,6 +17465,9 @@
"(TARGET_READ_MODIFY_WRITE || optimize_insn_for_size_p ()) "(TARGET_READ_MODIFY_WRITE || optimize_insn_for_size_p ())
&& peep2_reg_dead_p (4, operands[0]) && peep2_reg_dead_p (4, operands[0])
&& !reg_overlap_mentioned_p (operands[0], operands[1]) && !reg_overlap_mentioned_p (operands[0], operands[1])
&& (<MODE>mode != QImode
|| immediate_operand (operands[2], QImode)
|| q_regs_operand (operands[2], QImode))
&& ix86_match_ccmode (peep2_next_insn (3), && ix86_match_ccmode (peep2_next_insn (3),
(GET_CODE (operands[3]) == PLUS (GET_CODE (operands[3]) == PLUS
|| GET_CODE (operands[3]) == MINUS) || GET_CODE (operands[3]) == MINUS)

5
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,8 @@
2012-05-15 Jakub Jelinek <jakub@redhat.com>
PR target/53358
* gcc.dg/pr53358.c: New test.
2012-05-15 Paolo Carlini <paolo.carlini@oracle.com> 2012-05-15 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/11856 PR c++/11856

22
gcc/testsuite/gcc.dg/pr53358.c Normal file
View File

@ -0,0 +1,22 @@
/* PR target/53358 */
/* { dg-do compile } */
/* { dg-options "-O2" } */
/* { dg-additional-options "-fpic" { target fpic } } */
/* { dg-additional-options "-mtune=pentium4" { target { { i?86-*-* x86_64-*-* } && ia32 } } } */
struct S { unsigned char s, t[17]; };
int bar (void);
void
foo (struct S *x)
{
unsigned char i, z;
if (bar ())
{
z = bar ();
bar ();
x->s += z;
for (i = 0; i < x->s; i++)
x->t[i] = bar ();
}
}