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| author | Jakub Jelinek <jakub@redhat.com> | 2004-08-20 22:52:22 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2004-08-20 22:52:22 +0200 |
| commit | f3b2657c01366bc9ea847b95745c4f89cdc5661c (patch) | |
| tree | 4388dee32e8a4305a733e8125fe2e28909b12b3a /gcc | |
| parent | 87c2399d8985816fef6925e743eb16c074d5bc7a (diff) | |
| download | gcc-f3b2657c01366bc9ea847b95745c4f89cdc5661c.zip gcc-f3b2657c01366bc9ea847b95745c4f89cdc5661c.tar.gz gcc-f3b2657c01366bc9ea847b95745c4f89cdc5661c.tar.bz2 | |
re PR rtl-optimization/17099 (Bootstrap failure on powerpc64-redhat-linux)
PR rtl-optimization/17099
* combine.c (force_to_mode): Check if inner_mask has any bits set
outside of GET_MODE (x) instead of op_mode.
* gcc.c-torture/execute/20040820-1.c: New test.
From-SVN: r86339
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/combine.c | 5 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/execute/20040820-1.c | 24 |
4 files changed, 37 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 2115976..4238269 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2004-08-20 Jakub Jelinek <jakub@redhat.com> + + PR rtl-optimization/17099 + * combine.c (force_to_mode): Check if inner_mask has any bits set + outside of GET_MODE (x) instead of op_mode. + 2004-08-20 Mark Mitchell <mark@codesourcery.com> * config.gcc (arm*-*-symbianelf*): Add t-symbian Makefile diff --git a/gcc/combine.c b/gcc/combine.c index 426b0d7..a116f81 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -7151,9 +7151,8 @@ force_to_mode (rtx x, enum machine_mode mode, unsigned HOST_WIDE_INT mask, /* We can only change the mode of the shift if we can do arithmetic in the mode of the shift and INNER_MASK is no wider than the - width of OP_MODE. */ - if (GET_MODE_BITSIZE (op_mode) > HOST_BITS_PER_WIDE_INT - || (inner_mask & ~GET_MODE_MASK (op_mode)) != 0) + width of X's mode. */ + if ((inner_mask & ~GET_MODE_MASK (GET_MODE (x))) != 0) op_mode = GET_MODE (x); inner = force_to_mode (inner, op_mode, inner_mask, reg, next_select); diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 8a14c05..0e8d341 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2004-08-20 Jakub Jelinek <jakub@redhat.com> + + PR rtl-optimization/17099 + * gcc.c-torture/execute/20040820-1.c: New test. + 2004-08-20 David Edelsohn <edelsohn@gnu.org> * gcc.dg/uninit-H.c: Add _POWER to powerpc case. diff --git a/gcc/testsuite/gcc.c-torture/execute/20040820-1.c b/gcc/testsuite/gcc.c-torture/execute/20040820-1.c new file mode 100644 index 0000000..366607c --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/execute/20040820-1.c @@ -0,0 +1,24 @@ +/* PR rtl-optimization/17099 */ + +extern void exit (int); +extern void abort (void); + +void +check (int a) +{ + if (a != 1) + abort (); +} + +void +test (int a, int b) +{ + check ((a ? 1 : 0) | (b ? 2 : 0)); +} + +int +main (void) +{ + test (1, 0); + exit (0); +} |