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| author | mrs <mrs@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-01-03 23:45:56 +0000 |
|---|---|---|
| committer | mrs <mrs@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-01-03 23:45:56 +0000 |
| commit | fe644b69d013e77c7fc2db2a9863969d4f564561 (patch) | |
| tree | a2cb1398bd46b8decaea84f1b7de8c7cd35e6046 /gcc/cse.c | |
| parent | 90079d10dd355193fe289fa0bfcb0d7be880d45a (diff) | |
| parent | 04e0495a6da35f3b0bcedbd75908cb6e9ba8ff8f (diff) | |
| download | gcc-fe644b69d013e77c7fc2db2a9863969d4f564561.tar.gz | |
Merge in trunk.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/wide-int@206327 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/cse.c')
| -rw-r--r-- | gcc/cse.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/gcc/cse.c b/gcc/cse.c index 441f949afe1..484a9746b7a 100644 --- a/gcc/cse.c +++ b/gcc/cse.c @@ -1,5 +1,5 @@ /* Common subexpression elimination for GNU compiler. - Copyright (C) 1987-2013 Free Software Foundation, Inc. + Copyright (C) 1987-2014 Free Software Foundation, Inc. This file is part of GCC. @@ -6096,6 +6096,18 @@ cse_process_notes_1 (rtx x, rtx object, bool *changed) return x; } + case UNSIGNED_FLOAT: + { + rtx new_rtx = cse_process_notes (XEXP (x, 0), object, changed); + /* We don't substitute negative VOIDmode constants into these rtx, + since they would impede folding. */ + if (GET_MODE (new_rtx) != VOIDmode + || (CONST_INT_P (new_rtx) && INTVAL (new_rtx) >= 0) + || (CONST_DOUBLE_P (new_rtx) && CONST_DOUBLE_HIGH (new_rtx) >= 0)) + validate_change (object, &XEXP (x, 0), new_rtx, 0); + return x; + } + case REG: i = REG_QTY (REGNO (x)); |