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authormatz <matz@138bc75d-0d04-0410-961f-82ee72b054a4>2010-03-22 16:28:51 +0000
committermatz <matz@138bc75d-0d04-0410-961f-82ee72b054a4>2010-03-22 16:28:51 +0000
commit70bb3c914b2caa213e1063a8a0960efca9593f88 (patch)
treef48c85db6997d5824270980a9eab9e75be570a0a /gcc
parent0bdba7760faceb03c5f42a9da1227e4bb4cc11fb (diff)
downloadgcc-70bb3c914b2caa213e1063a8a0960efca9593f88.tar.gz
PR middle-end/43475
* recog.c (validate_replace_rtx_group): Replace also in REG_EQUAL and REG_EQUIV notes. testsuite/ * gfortran.dg/pr43475.f90: New testcase. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@157640 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog6
-rw-r--r--gcc/recog.c8
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/gfortran.dg/pr43475.f9014
4 files changed, 32 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 5cff766695d..6b87dd11d8c 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2010-03-22 Michael Matz <matz@suse.de>
+
+ PR middle-end/43475
+ * recog.c (validate_replace_rtx_group): Replace also in
+ REG_EQUAL and REG_EQUIV notes.
+
2010-03-22 Richard Guenther <rguenther@suse.de>
PR tree-optimization/43390
diff --git a/gcc/recog.c b/gcc/recog.c
index 810270625a2..bc0b2782d38 100644
--- a/gcc/recog.c
+++ b/gcc/recog.c
@@ -787,12 +787,18 @@ validate_replace_rtx_part_nosimplify (rtx from, rtx to, rtx *where,
}
-/* Try replacing every occurrence of FROM in INSN with TO. */
+/* Try replacing every occurrence of FROM in INSN with TO. This also
+ will replace in REG_EQUAL and REG_EQUIV notes. */
void
validate_replace_rtx_group (rtx from, rtx to, rtx insn)
{
+ rtx note;
validate_replace_rtx_1 (&PATTERN (insn), from, to, insn, true);
+ for (note = REG_NOTES (insn); note; note = XEXP (note, 1))
+ if (REG_NOTE_KIND (note) == REG_EQUAL
+ || REG_NOTE_KIND (note) == REG_EQUIV)
+ validate_replace_rtx_1 (&XEXP (note, 0), from, to, insn, true);
}
/* Function called by note_uses to replace used subexpressions. */
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index a036f250806..e29c4c9ca43 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2010-03-22 Michael Matz <matz@suse.de>
+
+ PR middle-end/43475
+ * gfortran.dg/pr43475.f90: New testcase.
+
2010-03-22 Richard Guenther <rguenther@suse.de>
PR tree-optimization/43390
diff --git a/gcc/testsuite/gfortran.dg/pr43475.f90 b/gcc/testsuite/gfortran.dg/pr43475.f90
new file mode 100644
index 00000000000..72c0d18348b
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/pr43475.f90
@@ -0,0 +1,14 @@
+! PR middle-end/43475
+! { dg-do compile }
+! { dg-options "-O2" }
+subroutine ss(w)
+ implicit none
+ integer :: w(:)
+ integer :: b,c,d
+ b = w(8)
+ c = 5
+ d = 3
+ call s1(c)
+ call s2(b+c)
+ call s3(w(b))
+end subroutine ss