diff options
| author | Kenneth Graunke <[email protected]> | 2015-02-10 03:36:47 -0800 |
|---|---|---|
| committer | Kenneth Graunke <[email protected]> | 2015-02-17 15:24:15 -0800 |
| commit | 7bf774034a20e6864d63caf8c65cc424454b1bed (patch) | |
| tree | 6ce9a293c964451c30704ef9bcf88e7c9515beb7 /src/gallium/drivers/i915 | |
| parent | 27b6ef7ecaa60ce192ec74eef2245c25ed4e703b (diff) | |
i915g: Use the actual MIN instruction.
Matt Turner noticed that the hardware has always had a MIN
instruction, but the driver always used MAX+MOV for no
apparent reason.
This should cut an instruction, and a temporary, allowing
more programs to run in hardware.
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
Diffstat (limited to 'src/gallium/drivers/i915')
| -rw-r--r-- | src/gallium/drivers/i915/i915_fpc_translate.c | 16 |
1 files changed, 1 insertions, 15 deletions
diff --git a/src/gallium/drivers/i915/i915_fpc_translate.c b/src/gallium/drivers/i915/i915_fpc_translate.c index 4f5fdd84e66..b74f8239bb4 100644 --- a/src/gallium/drivers/i915/i915_fpc_translate.c +++ b/src/gallium/drivers/i915/i915_fpc_translate.c @@ -764,21 +764,7 @@ i915_translate_instruction(struct i915_fp_compile *p, break; case TGSI_OPCODE_MIN: - src0 = src_vector(p, &inst->Src[0], fs); - src1 = src_vector(p, &inst->Src[1], fs); - tmp = i915_get_utemp(p); - flags = get_result_flags(inst); - - i915_emit_arith(p, - A0_MAX, - tmp, flags & A0_DEST_CHANNEL_ALL, 0, - negate(src0, 1, 1, 1, 1), - negate(src1, 1, 1, 1, 1), 0); - - i915_emit_arith(p, - A0_MOV, - get_result_vector(p, &inst->Dst[0]), - flags, 0, negate(tmp, 1, 1, 1, 1), 0, 0); + emit_simple_arith(p, inst, A0_MIN, 2, fs); break; case TGSI_OPCODE_MOV: |