diff --git a/gcc/ChangeLog b/gcc/ChangeLog index e9dba8e499521ac1d731a3c3a58e9e80a8edcfe6..7a7b79f159b61bcc361b15c85afe1d7322b10899 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -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 diff --git a/gcc/optabs.c b/gcc/optabs.c index a8be6f98ce3274de6d9490b004b648cdb35e8672..fe7ae065962835080c1af5ba57b1e698ecb1740d 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 e79fd296a7e9a4e07bd694093ece25fb43b7b0f5..a9398a3f467863f6b2cccb260fc6c746e3ad85fd 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -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 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 0000000000000000000000000000000000000000..8f85ea08505c3cd04e6e4d08ec2c58b090fba9b3 --- /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); +}