diff options
| author | rsandifo <rsandifo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-07-20 08:31:59 +0000 |
|---|---|---|
| committer | rsandifo <rsandifo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-07-20 08:31:59 +0000 |
| commit | 2795872ed25e0686756b516d5b7129890692f791 (patch) | |
| tree | 4ce100535f55f2472a7f08c6caf516e294159081 | |
| parent | f8f2e4232a98d0e2633d04cd2ddac370965aa4cf (diff) | |
Backport from mainline:
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.
git-svn-id: https://gcc.gnu.org/svn/gcc/branches/csl/sourcerygxx-4_1@115611 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | ChangeLog.csl | 10 | ||||
| -rw-r--r-- | gcc/optabs.c | 2 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/execute/pr28403.c | 23 |
3 files changed, 35 insertions, 0 deletions
diff --git a/ChangeLog.csl b/ChangeLog.csl index 4e6dc7614fa..5bac5ffbf43 100644 --- a/ChangeLog.csl +++ b/ChangeLog.csl @@ -1,3 +1,13 @@ +2006-07-20 Richard Sandiford <richard@codesourcery.com> + + Backport from mainline: + + 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. + 2006-07-19 Nathan Sidwell <nathan@codesourcery.com> backport 2006-04-23 David Edelsohn <edelsohn@gnu.org> diff --git a/gcc/optabs.c b/gcc/optabs.c index d428b6c7c71..ab025200659 100644 --- a/gcc/optabs.c +++ b/gcc/optabs.c @@ -805,8 +805,10 @@ 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/gcc.c-torture/execute/pr28403.c b/gcc/testsuite/gcc.c-torture/execute/pr28403.c new file mode 100644 index 00000000000..8f85ea08505 --- /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); +} |