diff options
| author | uros <uros@138bc75d-0d04-0410-961f-82ee72b054a4> | 2009-09-10 15:14:39 +0000 |
|---|---|---|
| committer | uros <uros@138bc75d-0d04-0410-961f-82ee72b054a4> | 2009-09-10 15:14:39 +0000 |
| commit | 79a80d86c386ac97fecde94d3bb4084017f58f37 (patch) | |
| tree | 85d528eea7bb80b6b58720a9f4e5a3bd776005fc | |
| parent | 2d6df6a779a452b34939f8ba7f84c5f8ff01565b (diff) | |
| download | gcc-79a80d86c386ac97fecde94d3bb4084017f58f37.tar.gz | |
Revert:
2009-09-09 Uros Bizjak <ubizjak@gmail.com>
PR rtl-optimization/39779
* expr.c (convert_modes): Return when mode == oldmode after
CONST_INTs are processed.
testsuite/ChangeLog:
Revert:
2009-09-09 Uros Bizjak <ubizjak@gmail.com>
PR rtl-optimization/39779
* gcc.dg/pr39979.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@151596 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 9 | ||||
| -rw-r--r-- | gcc/expr.c | 6 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 8 |
3 files changed, 20 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 752b1a7dd7d..69d80ea2ef4 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,12 @@ +2009-09-10 Uros Bizjak <ubizjak@gmail.com> + + Revert: + 2009-09-09 Uros Bizjak <ubizjak@gmail.com> + + PR rtl-optimization/39779 + * expr.c (convert_modes): Return when mode == oldmode after + CONST_INTs are processed. + 2009-09-10 Nick Clifton <nickc@redhat.com> * config/mep/mep.c (mep_encode_section_info): Copy weakness diff --git a/gcc/expr.c b/gcc/expr.c index fe74280d7fe..cd5eae16880 100644 --- a/gcc/expr.c +++ b/gcc/expr.c @@ -761,6 +761,9 @@ convert_modes (enum machine_mode mode, enum machine_mode oldmode, rtx x, int uns if (GET_MODE (x) != VOIDmode) oldmode = GET_MODE (x); + if (mode == oldmode) + return x; + /* There is one case that we must handle specially: If we are converting a CONST_INT into a mode whose size is twice HOST_BITS_PER_WIDE_INT and we are to interpret the constant as unsigned, gen_lowpart will do @@ -826,9 +829,6 @@ convert_modes (enum machine_mode mode, enum machine_mode oldmode, rtx x, int uns return gen_lowpart (mode, x); } - if (mode == oldmode) - return x; - /* Converting from integer constant into mode is always equivalent to an subreg operation. */ if (VECTOR_MODE_P (mode) && GET_MODE (x) == VOIDmode) diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index c3d6c52f9a4..03271ae82f6 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,11 @@ +2009-09-10 Uros Bizjak <ubizjak@gmail.com> + + Revert: + 2009-09-09 Uros Bizjak <ubizjak@gmail.com> + + PR rtl-optimization/39779 + * gcc.dg/pr39979.c: New test. + 2009-09-10 Richard Guenther <rguenther@suse.de> PR middle-end/41257 |