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| author | Mike Pall <mike> | 2011-01-28 02:17:35 +0100 |
|---|---|---|
| committer | Mike Pall <mike> | 2011-01-28 02:17:35 +0100 |
| commit | 6fee0002b9ea12d4b7f745ee664d6ccb2411af6c (patch) | |
| tree | eb48b62bf7087c2facbe92dcdf59accb469a4c07 /src | |
| parent | 07d8a53b393b5fbb52f3920f913ab21ce6dde4fa (diff) | |
| download | luajit-6fee0002b9ea12d4b7f745ee664d6ccb2411af6c.tar.gz luajit-6fee0002b9ea12d4b7f745ee664d6ccb2411af6c.tar.bz2 luajit-6fee0002b9ea12d4b7f745ee664d6ccb2411af6c.zip | |
Fix 64 bit case of (SUB x x) and (BXOR x x) FOLD rules.
Diffstat (limited to 'src')
| -rw-r--r-- | src/lj_opt_fold.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/lj_opt_fold.c b/src/lj_opt_fold.c index bc53b168..2d08e187 100644 --- a/src/lj_opt_fold.c +++ b/src/lj_opt_fold.c | |||
| @@ -1019,7 +1019,7 @@ LJFOLD(SUBOV any any) | |||
| 1019 | LJFOLDF(simplify_intsub) | 1019 | LJFOLDF(simplify_intsub) |
| 1020 | { | 1020 | { |
| 1021 | if (fins->op1 == fins->op2 && !irt_isnum(fins->t)) /* i - i ==> 0 */ | 1021 | if (fins->op1 == fins->op2 && !irt_isnum(fins->t)) /* i - i ==> 0 */ |
| 1022 | return INTFOLD(0); | 1022 | return irt_is64(fins->t) ? INT64FOLD(0) : INTFOLD(0); |
| 1023 | return NEXTFOLD; | 1023 | return NEXTFOLD; |
| 1024 | } | 1024 | } |
| 1025 | 1025 | ||
| @@ -1492,7 +1492,7 @@ LJFOLD(BXOR any any) | |||
| 1492 | LJFOLDF(comm_bxor) | 1492 | LJFOLDF(comm_bxor) |
| 1493 | { | 1493 | { |
| 1494 | if (fins->op1 == fins->op2) /* i xor i ==> 0 */ | 1494 | if (fins->op1 == fins->op2) /* i xor i ==> 0 */ |
| 1495 | return INTFOLD(0); | 1495 | return irt_is64(fins->t) ? INT64FOLD(0) : INTFOLD(0); |
| 1496 | return fold_comm_swap(J); | 1496 | return fold_comm_swap(J); |
| 1497 | } | 1497 | } |
| 1498 | 1498 | ||