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| author | Roger Sayle <roger@eyesopen.com> | 2005-05-29 18:56:42 +0000 |
|---|---|---|
| committer | Roger Sayle <sayle@gcc.gnu.org> | 2005-05-29 18:56:42 +0000 |
| commit | cb275d32f7a80e46acd02ff1b1be6678e42dd292 (patch) | |
| tree | ede8c51afa2191a92daaf65e1c9b4fbb403a971e /gcc | |
| parent | 1451cecfe25c7e92a7c6538e00b9a8314b1c4c85 (diff) | |
| download | gcc-cb275d32f7a80e46acd02ff1b1be6678e42dd292.zip gcc-cb275d32f7a80e46acd02ff1b1be6678e42dd292.tar.gz gcc-cb275d32f7a80e46acd02ff1b1be6678e42dd292.tar.bz2 | |
ifcvt.c (noce_emit_move_insn): Construct a SET pattern directly if the RHS isn't suitable for calling...
* ifcvt.c (noce_emit_move_insn): Construct a SET pattern directly
if the RHS isn't suitable for calling emit_move_insn.
Co-Authored-By: Richard Henderson <rth@redhat.com>
From-SVN: r100329
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/ifcvt.c | 6 |
2 files changed, 11 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index bb4a382..33df7c5 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2005-05-29 Roger Sayle <roger@eyesopen.com> + Richard Henderson <rth@redhat.com> + + * ifcvt.c (noce_emit_move_insn): Construct a SET pattern directly + if the RHS isn't suitable for calling emit_move_insn. + 2005-05-29 Kazu Hirata <kazu@cs.umass.edu> * tree-ssa-ccp.c (ccp_fold): Return immediately after calling diff --git a/gcc/ifcvt.c b/gcc/ifcvt.c index 9575e62..5c822b6 100644 --- a/gcc/ifcvt.c +++ b/gcc/ifcvt.c @@ -691,7 +691,11 @@ noce_emit_move_insn (rtx x, rtx y) optab ot; start_sequence (); - insn = emit_move_insn (x, y); + /* Check that the SET_SRC is reasonable before calling emit_move_insn, + otherwise construct a suitable SET pattern ourselves. */ + insn = (OBJECT_P (y) || CONSTANT_P (y) || GET_CODE (y) == SUBREG) + ? emit_move_insn (x, y) + : emit_insn (gen_rtx_SET (VOIDmode, x, y)); seq = get_insns (); end_sequence(); |