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| author | Michael Matz <matz@suse.de> | 2005-04-29 18:39:22 +0000 |
|---|---|---|
| committer | Michael Matz <matz@gcc.gnu.org> | 2005-04-29 18:39:22 +0000 |
| commit | a68b179c86764d41292502567a7b1252f4e57eae (patch) | |
| tree | 2a59c00753664184fec11cb5161c9e72f3e52ca4 /gcc | |
| parent | f3dc41fe8e21d79b5338eca6fa50e894b6a4db14 (diff) | |
| download | gcc-a68b179c86764d41292502567a7b1252f4e57eae.zip gcc-a68b179c86764d41292502567a7b1252f4e57eae.tar.gz gcc-a68b179c86764d41292502567a7b1252f4e57eae.tar.bz2 | |
re PR rtl-optimization/21144 (Apparent infinite loop in reload)
PR rtl-optimization/21144
* postreload.c (reload_cse_move2add): Check for VOIDmode.
From-SVN: r99008
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/postreload.c | 3 |
2 files changed, 7 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index bc9b0e6..b95a20a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2005-04-29 Michael Matz <matz@suse.de> + + PR rtl-optimization/21144 + * postreload.c (reload_cse_move2add): Check for VOIDmode. + 2005-04-29 Bob Wilson <bob.wilson@acm.org> * config/xtensa/xtensa.h (OPTIMIZATION_OPTIONS): Define to disable diff --git a/gcc/postreload.c b/gcc/postreload.c index 16cb818..3d9b24b 100644 --- a/gcc/postreload.c +++ b/gcc/postreload.c @@ -1269,7 +1269,8 @@ reload_cse_move2add (rtx first) { enum machine_mode narrow_mode; for (narrow_mode = GET_CLASS_NARROWEST_MODE (MODE_INT); - narrow_mode != GET_MODE (reg); + narrow_mode != VOIDmode + && narrow_mode != GET_MODE (reg); narrow_mode = GET_MODE_WIDER_MODE (narrow_mode)) { if (have_insn_for (STRICT_LOW_PART, narrow_mode) |