diff options
| author | Christoph Bumiller <e0425955@student.tuwien.ac.at> | 2011-01-21 17:04:25 +0100 |
|---|---|---|
| committer | Christoph Bumiller <e0425955@student.tuwien.ac.at> | 2011-01-23 13:03:15 +0100 |
| commit | 419ff10b0ebdeec06bd3466beda2a9e1a9d054d6 (patch) | |
| tree | d53a1fbc18539f2bdad05398b0776abb3ec39e59 /src/gallium/drivers/nvc0/nvc0_pc.c | |
| parent | bf1df06773d6eca8b71a687f838edccd1a6c9cb8 (diff) | |
nvc0: recognize r63 as zero in constant folding
Diffstat (limited to 'src/gallium/drivers/nvc0/nvc0_pc.c')
| -rw-r--r-- | src/gallium/drivers/nvc0/nvc0_pc.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/gallium/drivers/nvc0/nvc0_pc.c b/src/gallium/drivers/nvc0/nvc0_pc.c index 304a191976..1d1b9e19b7 100644 --- a/src/gallium/drivers/nvc0/nvc0_pc.c +++ b/src/gallium/drivers/nvc0/nvc0_pc.c @@ -103,6 +103,12 @@ nvc0_pc_replace_value(struct nv_pc *pc, return n; } +static INLINE boolean +is_gpr63(struct nv_value *val) +{ + return (val->reg.file == NV_FILE_GPR && val->reg.id == 63); +} + struct nv_value * nvc0_pc_find_constant(struct nv_ref *ref) { @@ -116,7 +122,7 @@ nvc0_pc_find_constant(struct nv_ref *ref) assert(!src->insn->src[0]->mod); src = src->insn->src[0]->value; } - if ((src->reg.file == NV_FILE_IMM) || + if ((src->reg.file == NV_FILE_IMM) || is_gpr63(src) || (src->insn && src->insn->opcode == NV_OP_LD && src->insn->src[0]->value->reg.file >= NV_FILE_MEM_C(0) && @@ -130,7 +136,7 @@ nvc0_pc_find_immediate(struct nv_ref *ref) { struct nv_value *src = nvc0_pc_find_constant(ref); - return (src && src->reg.file == NV_FILE_IMM) ? src : NULL; + return (src && (src->reg.file == NV_FILE_IMM || is_gpr63(src))) ? src : NULL; } static void |