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authorRichard Sandiford <richard@codesourcery.com>2006-07-17 15:31:12 +0000
committerRichard Sandiford <rsandifo@gcc.gnu.org>2006-07-17 15:31:12 +0000
commit2763a67eff553784e396cb651ef6929a6e14b0a9 (patch)
treea71c2c5cb75f6a5f78a826569ea10fb95b94af4b
parentf8bdb931a97bcd90dd47cfcd3b4fbabf1872a84f (diff)
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re PR middle-end/28403 (Missed argument pop after doubleword shift)
gcc/ PR middle-end/28403 * optabs.c (expand_doubleword_shift): Wrap the call to do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP. gcc/testsuite/ PR middle-end/28403 * gcc.c-torture/execute/pr28403.c: New test. From-SVN: r115525
-rw-r--r--gcc/ChangeLog6
-rw-r--r--gcc/optabs.c2
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/gcc.c-torture/execute/pr28403.c23
4 files changed, 36 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e9dba8e..7a7b79f 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,11 @@
2006-07-17 Richard Sandiford <richard@codesourcery.com>
+ PR middle-end/28403
+ * optabs.c (expand_doubleword_shift): Wrap the call to
+ do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
+
+2006-07-17 Richard Sandiford <richard@codesourcery.com>
+
PR middle-end/28402
* optabs.c (expand_binop): Pass next_methods rather than methods
to expand_doubleword_shift.
diff --git a/gcc/optabs.c b/gcc/optabs.c
index a8be6f9..fe7ae06 100644
--- a/gcc/optabs.c
+++ b/gcc/optabs.c
@@ -959,8 +959,10 @@ expand_doubleword_shift (enum machine_mode op1_mode, optab binoptab,
subword_label = gen_label_rtx ();
done_label = gen_label_rtx ();
+ NO_DEFER_POP;
do_compare_rtx_and_jump (cmp1, cmp2, cmp_code, false, op1_mode,
0, 0, subword_label);
+ OK_DEFER_POP;
if (!expand_superword_shift (binoptab, outof_input, superword_op1,
outof_target, into_target,
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index e79fd29..a9398a3 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,10 @@
2006-07-17 Richard Sandiford <richard@codesourcery.com>
+ PR middle-end/28403
+ * gcc.c-torture/execute/pr28403.c: New test.
+
+2006-07-17 Richard Sandiford <richard@codesourcery.com>
+
PR middle-end/28402
* gcc.dg/pr28402.c: New test.
diff --git a/gcc/testsuite/gcc.c-torture/execute/pr28403.c b/gcc/testsuite/gcc.c-torture/execute/pr28403.c
new file mode 100644
index 0000000..8f85ea0
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/pr28403.c
@@ -0,0 +1,23 @@
+typedef unsigned long long ull;
+int global;
+
+int __attribute__((noinline))
+foo (int x1, int x2, int x3, int x4, int x5, int x6, int x7, int x8)
+{
+ global = x1 + x2 + x3 + x4 + x5 + x6 + x7 + x8;
+}
+
+ull __attribute__((noinline))
+bar (ull x)
+{
+ foo (1, 2, 1, 3, 1, 4, 1, 5);
+ return x >> global;
+}
+
+int
+main (void)
+{
+ if (bar (0x123456789abcdefULL) != (0x123456789abcdefULL >> 18))
+ abort ();
+ exit (0);
+}