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re PR middle-end/28403 (Missed argument pop after doubleword shift)

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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
This commit is contained in:
Richard Sandiford 2006-07-17 15:31:12 +00:00 • committed by Richard Sandiford
parent f8bdb931a9
commit 2763a67eff
4 changed files with 36 additions and 0 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
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

2
gcc/optabs.c
View file

@ -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,

5
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,8 @@
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

23
gcc/testsuite/gcc.c-torture/execute/pr28403.c Normal file
View file

@ -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);
}