diff options
| -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 752b1a7..69d80ea 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 @@ -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 c3d6c52..03271ae 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 |