diff options
| author | Christian König <[email protected]> | 2010-12-18 00:45:59 +0100 |
|---|---|---|
| committer | Christian König <[email protected]> | 2011-01-13 19:41:07 +0100 |
| commit | 236e99fe05a8d301f81ca4330bf4ded80cf501a2 (patch) | |
| tree | 9f5828ee48aadc58c51e35798688daf2a52b4cc1 | |
| parent | 370ae0bd614fcbf9c4c0424fb5c41f2cfbc17b3e (diff) | |
r600g: optimize away CF ALU instructions even if type doesn't match
| -rw-r--r-- | src/gallium/drivers/r600/r600_asm.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/src/gallium/drivers/r600/r600_asm.c b/src/gallium/drivers/r600/r600_asm.c index 57acb87240d..53122e54b7d 100644 --- a/src/gallium/drivers/r600/r600_asm.c +++ b/src/gallium/drivers/r600/r600_asm.c @@ -539,16 +539,29 @@ int r600_bc_add_alu_type(struct r600_bc *bc, const struct r600_bc_alu *alu, int memcpy(nalu, alu, sizeof(struct r600_bc_alu)); nalu->nliteral = 0; + if (bc->cf_last != NULL && bc->cf_last->inst != (type << 3)) { + /* check if we could add it anyway */ + if (bc->cf_last->inst == (V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU << 3) && + type == V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU_PUSH_BEFORE) { + LIST_FOR_EACH_ENTRY(lalu, &bc->cf_last->alu, list) { + if (lalu->predicate) { + bc->force_add_cf = 1; + break; + } + } + } else + bc->force_add_cf = 1; + } + /* cf can contains only alu or only vtx or only tex */ - if (bc->cf_last == NULL || bc->cf_last->inst != (type << 3) || - bc->force_add_cf) { + if (bc->cf_last == NULL || bc->force_add_cf) { r = r600_bc_add_cf(bc); if (r) { free(nalu); return r; } - bc->cf_last->inst = (type << 3); } + bc->cf_last->inst = (type << 3); /* Setup the kcache for this ALU instruction. This will start a new * ALU clause if needed. */ |