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path: root/src/gallium/drivers/freedreno/a3xx/fd3_compiler.c
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Diffstat (limited to 'src/gallium/drivers/freedreno/a3xx/fd3_compiler.c')
-rw-r--r--src/gallium/drivers/freedreno/a3xx/fd3_compiler.c36
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),