diff options
| author | Ryan Houdek <[email protected]> | 2014-05-13 21:58:03 -0500 |
|---|---|---|
| committer | Rob Clark <[email protected]> | 2014-05-14 21:19:43 -0400 |
| commit | ac2a8e3c9d5958010d53fedc5a4460492d9628bc (patch) | |
| tree | 5bdcba6b775bbdc81ee70bc073151b0693cbc891 /src/gallium | |
| parent | a8890494001c9bac6a4ce67247d71383dde835f8 (diff) | |
freedreno/a3xx/compiler: add KILL_IF
The KILL_IF opcode could potentially be merged in to the regular KILL
opcode function. It was a pain to do so, so I've left is separated
for cleanliness.
Signed-off-by: Ryan Houdek <[email protected]>
Signed-off-by: Rob Clark <[email protected]>
Diffstat (limited to 'src/gallium')
| -rw-r--r-- | src/gallium/drivers/freedreno/a3xx/fd3_compiler.c | 36 |
1 files changed, 35 insertions, 1 deletions
diff --git a/src/gallium/drivers/freedreno/a3xx/fd3_compiler.c b/src/gallium/drivers/freedreno/a3xx/fd3_compiler.c index c1b9e4b027b..440c12f3e64 100644 --- a/src/gallium/drivers/freedreno/a3xx/fd3_compiler.c +++ b/src/gallium/drivers/freedreno/a3xx/fd3_compiler.c @@ -1631,7 +1631,7 @@ trans_endif(const struct instr_translater *t, } /* - * Kill / Kill-if + * Kill */ static void @@ -1678,6 +1678,39 @@ trans_kill(const struct instr_translater *t, } /* + * Kill-If + */ + +static void +trans_killif(const struct instr_translater *t, + struct fd3_compile_context *ctx, + struct tgsi_full_instruction *inst) +{ + struct tgsi_src_register *src = &inst->Src[0].Register; + struct ir3_instruction *instr, *immed, *cond = NULL; + bool inv = false; + + immed = create_immed(ctx, 0.0); + + /* cmps.f.ne p0.x, cond, {0.0} */ + instr = instr_create(ctx, 2, OPC_CMPS_F); + instr->cat2.condition = IR3_COND_NE; + ir3_reg_create(instr, regid(REG_P0, 0), 0); + ir3_reg_create(instr, 0, IR3_REG_SSA)->instr = immed; + add_src_reg(ctx, instr, src, src->SwizzleX); + + cond = instr; + + /* kill p0.x */ + instr = instr_create(ctx, 0, OPC_KILL); + instr->cat0.inv = inv; + ir3_reg_create(instr, 0, 0); /* dummy dst */ + ir3_reg_create(instr, 0, IR3_REG_SSA)->instr = cond; + + ctx->kill[ctx->kill_count++] = instr; + +} +/* * I2F / U2F / F2I / F2U */ @@ -1916,6 +1949,7 @@ static const struct instr_translater translaters[TGSI_OPCODE_LAST] = { INSTR(ENDIF, trans_endif), INSTR(END, instr_cat0, .opc = OPC_END), INSTR(KILL, trans_kill, .opc = OPC_KILL), + INSTR(KILL_IF, trans_killif, .opc = OPC_KILL), INSTR(I2F, trans_cov), INSTR(U2F, trans_cov), INSTR(F2I, trans_cov), |