From 3d763bcffe7b76b4167159c9193263dbb47ededd Mon Sep 17 00:00:00 2001
From: Kazu Hirata <kazu@codesourcery.com>
Date: Mon, 22 May 2006 17:55:53 +0000
Subject: [PATCH] re PR target/27266 (syncronization primitives cause ICE with
-march=pentium or better)
gcc/
PR target/27266
* config/i386/i386.c (ix86_expand_branch): Jump to simple if
ix86_compare_emitted is non-NULL.
gcc/testsuite/
PR target/27266
* gcc.target/i386/pr27266.c: New.
From-SVN: r113987
---
gcc/ChangeLog | 6 ++++++
gcc/config/i386/i386.c | 6 ++++++
gcc/testsuite/ChangeLog | 5 +++++
gcc/testsuite/gcc.target/i386/pr27266.c | 14 ++++++++++++++
4 files changed, 31 insertions(+)
create mode 100644 gcc/testsuite/gcc.target/i386/pr27266.c
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 5ae866d0c9d6..2d8c8ea24061 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2006-05-22 Kazu Hirata <kazu@codesourcery.com>
+
+ PR target/27266
+ * config/i386/i386.c (ix86_expand_branch): Jump to simple if
+ ix86_compare_emitted is non-NULL.
+
2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
PR c++/27451
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index d1f087c9d153..b004415e79c9 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -10175,6 +10175,12 @@ ix86_expand_branch (enum rtx_code code, rtx label)
{
rtx tmp;
+ /* If we have emitted a compare insn, go straight to simple.
+ ix86_expand_compare won't emit anything if ix86_compare_emitted
+ is non NULL. */
+ if (ix86_compare_emitted)
+ goto simple;
+
switch (GET_MODE (ix86_compare_op0))
{
case QImode:
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 89b9a02fa89f..79ec93c6995e 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2006-05-22 Kazu Hirata <kazu@codesourcery.com>
+
+ PR target/27266
+ * gcc.target/i386/pr27266.c: New.
+
2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
PR c++/27451
diff --git a/gcc/testsuite/gcc.target/i386/pr27266.c b/gcc/testsuite/gcc.target/i386/pr27266.c
new file mode 100644
index 000000000000..73e7c596f32e
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr27266.c
@@ -0,0 +1,14 @@
+/* PR target/27266.
+ The testcase below used to trigger an ICE. */
+
+/* { dg-do compile } */
+/* { dg-require-effective-target ilp32 } */
+/* { dg-options "-march=pentium" } */
+
+signed long long sll;
+
+void
+foo (void)
+{
+ __sync_fetch_and_add (&sll, 1);
+}
--
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