diff options
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_eu_emit.c')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_eu_emit.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_eu_emit.c b/src/mesa/drivers/dri/i965/brw_eu_emit.c index 4458ac36d2c..06baebf606b 100644 --- a/src/mesa/drivers/dri/i965/brw_eu_emit.c +++ b/src/mesa/drivers/dri/i965/brw_eu_emit.c @@ -1758,6 +1758,23 @@ struct brw_instruction *brw_WHILE(struct brw_compile *p) return insn; } +/* FORWARD JUMPS: + */ +void brw_land_fwd_jump(struct brw_compile *p, int jmp_insn_idx) +{ + struct brw_context *brw = p->brw; + struct brw_instruction *jmp_insn = &p->store[jmp_insn_idx]; + unsigned jmpi = 1; + + if (brw->gen >= 5) + jmpi = 2; + + assert(jmp_insn->header.opcode == BRW_OPCODE_JMPI); + assert(jmp_insn->bits1.da1.src1_reg_file == BRW_IMMEDIATE_VALUE); + + jmp_insn->bits3.ud = jmpi * (p->nr_insn - jmp_insn_idx - 1); +} + /* To integrate with the above, it makes sense that the comparison * instruction should populate the flag register. It might be simpler * just to use the flag reg for most WM tasks? |