diff options
| author | Benjamin Segovia <benjamin.segovia@intel.com> | 2010-08-16 20:40:09 -0700 |
|---|---|---|
| committer | Ian Romanick <ian.d.romanick@intel.com> | 2010-08-17 14:57:18 -0700 |
| commit | 5a38e70d59eb54aa375fb0f19c824bb74b71486d (patch) | |
| tree | 7e1bd1f7fe23a197f86316938ef6caea445e4542 | |
| parent | 608f749ec3fc655d3e67e572fa2e256a42c16878 (diff) | |
prog_optimize: Only merge writes to temporary registers
In one optimization pass, register files may have been messed therefore
merging instructions which use the same index in two different register
files.
| -rw-r--r-- | src/mesa/program/prog_optimize.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/mesa/program/prog_optimize.c b/src/mesa/program/prog_optimize.c index ab878755e25..0dc779073db 100644 --- a/src/mesa/program/prog_optimize.c +++ b/src/mesa/program/prog_optimize.c @@ -758,7 +758,11 @@ _mesa_remove_extra_moves(struct gl_program *prog) nesting--; break; case OPCODE_MOV: - if (i > 0 && can_downward_mov_be_modifed(mov) && nesting == 0) { + if (i > 0 && + can_downward_mov_be_modifed(mov) && + mov->SrcReg[0].File == PROGRAM_TEMPORARY && + nesting == 0) + { /* see if this MOV can be removed */ const GLuint id = mov->SrcReg[0].Index; |