diff options
| author | frosch <frosch@openttd.org> | 2010-08-02 23:35:47 +0000 |
|---|---|---|
| committer | frosch <frosch@openttd.org> | 2010-08-02 23:35:47 +0000 |
| commit | 1a9d5ae076fb507cc6056f1da95e1789d2e0b1d9 (patch) | |
| tree | 90c8fd69a7708a1e8b69d226735e4eb89bfd5e76 /src | |
| parent | 0e5c562da491ef857700c76d59af5c75be2e7296 (diff) | |
| download | openttd-1a9d5ae076fb507cc6056f1da95e1789d2e0b1d9.tar.xz | |
(svn r20333) -Fix (r20332): Mask second operand to 5 bits to avoid differences between platforms.
Diffstat (limited to 'src')
| -rw-r--r-- | src/newgrf_spritegroup.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/newgrf_spritegroup.cpp b/src/newgrf_spritegroup.cpp index 3a543cf0c..6eb136598 100644 --- a/src/newgrf_spritegroup.cpp +++ b/src/newgrf_spritegroup.cpp @@ -124,9 +124,9 @@ static U EvalAdjustT(const DeterministicSpriteGroupAdjust *adjust, ResolverObjec case DSGA_OP_ROR: return RotateRight(last_value, value); case DSGA_OP_SCMP: return ((S)last_value == (S)value) ? 1 : ((S)last_value < (S)value ? 0 : 2); case DSGA_OP_UCMP: return ((U)last_value == (U)value) ? 1 : ((U)last_value < (U)value ? 0 : 2); - case DSGA_OP_SHL: return (U)last_value << (U)value; - case DSGA_OP_SHR: return (U)last_value >> (U)value; - case DSGA_OP_SAR: return (S)last_value >> (U)value; + case DSGA_OP_SHL: return (U)last_value << ((U)value & 0x1F); // mask 'value' to 5 bits, which should behave the same on all architectures. + case DSGA_OP_SHR: return (U)last_value >> ((U)value & 0x1F); + case DSGA_OP_SAR: return (S)last_value >> ((U)value & 0x1F); default: return value; } } |