[Freedreno] [PATCH 3/5] freedreno/ir3: add UARL support

[Ilia Mirkin]

Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
---
 src/gallium/drivers/freedreno/ir3/ir3_compiler.c | 25 ++++++++++++++++++------
 1 file changed, 19 insertions(+), 6 deletions(-)

diff --git a/src/gallium/drivers/freedreno/ir3/ir3_compiler.c b/src/gallium/drivers/freedreno/ir3/ir3_compiler.c
index 0459e92..e2cf4bb 100644
--- a/src/gallium/drivers/freedreno/ir3/ir3_compiler.c
+++ b/src/gallium/drivers/freedreno/ir3/ir3_compiler.c
@@ -1036,12 +1036,24 @@ trans_arl(const struct instr_translater *t,
 	 */
 	tmp_src = get_internal_temp(ctx, &tmp_dst);
 
-	/* cov.f{32,16}s16 Rtmp, Rsrc */
-	instr = instr_create(ctx, 1, 0);
-	instr->cat1.src_type = get_ftype(ctx);
-	instr->cat1.dst_type = TYPE_S16;
-	add_dst_reg(ctx, instr, &tmp_dst, chan)->flags |= IR3_REG_HALF;
-	add_src_reg(ctx, instr, src, chan);
+	if (t->tgsi_opc == TGSI_OPCODE_ARL) {
+		/* cov.f{32,16}s16 Rtmp, Rsrc */
+		instr = instr_create(ctx, 1, 0);
+		instr->cat1.src_type = get_ftype(ctx);
+		instr->cat1.dst_type = TYPE_S16;
+		add_dst_reg(ctx, instr, &tmp_dst, chan)->flags |= IR3_REG_HALF;
+		add_src_reg(ctx, instr, src, chan);
+	} else {
+		/* TODO: Don't do this totally unnecessary mov. But it makes
+		 * the below code simpler.
+		 */
+		/* mov.s16s16 Rtmp, Rsrc */
+		instr = instr_create(ctx, 1, 0);
+		instr->cat1.src_type = TYPE_S16;
+		instr->cat1.dst_type = TYPE_S16;
+		add_dst_reg(ctx, instr, &tmp_dst, chan)->flags |= IR3_REG_HALF;
+		add_src_reg(ctx, instr, src, chan)->flags |= IR3_REG_HALF;
+	}
 
 	/* shl.b Rtmp, Rtmp, 2 */
 	instr = instr_create(ctx, 2, OPC_SHL_B);
@@ -2062,6 +2074,7 @@ static const struct instr_translater translaters[TGSI_OPCODE_LAST] = {
 	INSTR(SSG,          instr_cat2, .opc = OPC_SIGN_F),
 	INSTR(CEIL,         instr_cat2, .opc = OPC_CEIL_F),
 	INSTR(ARL,          trans_arl),
+	INSTR(UARL,         trans_arl),
 	INSTR(EX2,          instr_cat4, .opc = OPC_EXP2),
 	INSTR(LG2,          instr_cat4, .opc = OPC_LOG2),
 	INSTR(ABS,          instr_cat2, .opc = OPC_ABSNEG_F),
-- 
1.8.5.5