diff options
| author | Matt Turner <[email protected]> | 2016-12-03 20:14:55 -0800 |
|---|---|---|
| committer | Matt Turner <[email protected]> | 2016-12-06 10:42:46 -0800 |
| commit | 43cdbb3e6ab7224278a2c68586b8d1a9cb7429a9 (patch) | |
| tree | 01b28a17a7db3da57f0484bc5a2fcd3fed33a299 /src | |
| parent | 9c95ad24ccc61bcd2792c8bffd0a74355085927f (diff) | |
i965: Emit proper NOPs.
The PRMs for HSW and newer say that other than the opcode and DebugCtrl
bits of the instruction word, the rest must be zero.
By zeroing the instruction word manually, we avoid using any of the
state inherited through brw_codegen.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=96959
Reviewed-by: Ian Romanick <[email protected]>
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_eu_emit.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_eu_emit.c b/src/mesa/drivers/dri/i965/brw_eu_emit.c index cfb3fa01d08..ca04221686b 100644 --- a/src/mesa/drivers/dri/i965/brw_eu_emit.c +++ b/src/mesa/drivers/dri/i965/brw_eu_emit.c @@ -1282,10 +1282,8 @@ brw_F16TO32(struct brw_codegen *p, struct brw_reg dst, struct brw_reg src) void brw_NOP(struct brw_codegen *p) { brw_inst *insn = next_insn(p, BRW_OPCODE_NOP); - brw_inst_set_exec_size(p->devinfo, insn, BRW_EXECUTE_1); - brw_set_dest(p, insn, retype(brw_vec1_grf(0,0), BRW_REGISTER_TYPE_UD)); - brw_set_src0(p, insn, retype(brw_vec1_grf(0,0), BRW_REGISTER_TYPE_UD)); - brw_set_src1(p, insn, brw_imm_ud(0x0)); + memset(insn, 0, sizeof(*insn)); + brw_inst_set_opcode(p->devinfo, insn, BRW_OPCODE_NOP); } |