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| author | Jan Hubicka <jh@suse.cz> | 2001-06-15 19:44:56 +0200 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2001-06-15 17:44:56 +0000 |
| commit | 76791f3d9585c62d1705533e4301e0199358d49b (patch) | |
| tree | f18da83867208f6cd1c7b872c2fccabc8925a9af | |
| parent | f254110619099179473e58a4cda8558ceb445c6f (diff) | |
| download | gcc-76791f3d9585c62d1705533e4301e0199358d49b.zip gcc-76791f3d9585c62d1705533e4301e0199358d49b.tar.gz gcc-76791f3d9585c62d1705533e4301e0199358d49b.tar.bz2 | |
* optabs.c (expand_twoval_binop): Avoid undefined behaviour.
From-SVN: r43403
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/optabs.c | 8 |
2 files changed, 7 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index e7f08e8..eef09c8 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +Fri Jun 15 19:35:38 CEST 2001 Jan Hubicka <jh@suse.cz> + + * optabs.c (expand_twoval_binop): Avoid undefined behaviour. + 2001-06-15 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> * doc/install.texi (Specific, alpha*-*-*): Fixed Tru64 UNIX diff --git a/gcc/optabs.c b/gcc/optabs.c index 581fb9b..0e135af 100644 --- a/gcc/optabs.c +++ b/gcc/optabs.c @@ -1992,12 +1992,10 @@ expand_twoval_binop (binoptab, op0, op1, targ0, targ1, unsignedp) { register rtx t0 = gen_reg_rtx (wider_mode); register rtx t1 = gen_reg_rtx (wider_mode); + rtx cop0 = convert_modes (wider_mode, mode, op0, unsignedp); + rtx cop1 = convert_modes (wider_mode, mode, op1, unsignedp); - if (expand_twoval_binop (binoptab, - convert_modes (wider_mode, mode, op0, - unsignedp), - convert_modes (wider_mode, mode, op1, - unsignedp), + if (expand_twoval_binop (binoptab, cop0, cop1, t0, t1, unsignedp)) { convert_move (targ0, t0, unsignedp); |