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| author | Richard Sandiford <richard@codesourcery.com> | 2006-07-17 15:31:12 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2006-07-17 15:31:12 +0000 |
| commit | 2763a67eff553784e396cb651ef6929a6e14b0a9 (patch) | |
| tree | a71c2c5cb75f6a5f78a826569ea10fb95b94af4b /gcc | |
| parent | f8bdb931a97bcd90dd47cfcd3b4fbabf1872a84f (diff) | |
| download | gcc-2763a67eff553784e396cb651ef6929a6e14b0a9.zip gcc-2763a67eff553784e396cb651ef6929a6e14b0a9.tar.gz gcc-2763a67eff553784e396cb651ef6929a6e14b0a9.tar.bz2 | |
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
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/optabs.c | 2 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/execute/pr28403.c | 23 |
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); +} |