[Mesa-dev] [PATCH 15/42] panfrost/midgard: Verify src_bitsize == dst_bitsize

[Alyssa Rosenzweig]

We can handle differing, but we'd prefer not to because there are
restrictions on sizing which aren't accounted for yet.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig at collabora.com>
---
 src/gallium/drivers/panfrost/midgard/midgard_compile.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/gallium/drivers/panfrost/midgard/midgard_compile.c b/src/gallium/drivers/panfrost/midgard/midgard_compile.c
index 8edde597cb6..353875d173f 100644
--- a/src/gallium/drivers/panfrost/midgard/midgard_compile.c
+++ b/src/gallium/drivers/panfrost/midgard/midgard_compile.c
@@ -690,12 +690,14 @@ emit_indirect_offset(compiler_context *ctx, nir_src *src)
 #define ALU_CASE(nir, _op) \
 	case nir_op_##nir: \
 		op = midgard_alu_op_##_op; \
+                assert(src_bitsize == dst_bitsize); \
 		break;
 
 #define ALU_CASE_BCAST(nir, _op, count) \
         case nir_op_##nir: \
                 op = midgard_alu_op_##_op; \
                 broadcast_swizzle = count; \
+                assert(src_bitsize == dst_bitsize); \
                 break;
 static bool
 nir_is_fzero_constant(nir_src src)
@@ -773,6 +775,9 @@ emit_alu(compiler_context *ctx, nir_alu_instr *instr)
         bool half_1 = false, sext_1 = false;
         bool half_2 = false, sext_2 = false;
 
+        unsigned src_bitsize = nir_src_bit_size(instr->src[0].src);
+        unsigned dst_bitsize = nir_dest_bit_size(instr->dest.dest);
+
         switch (instr->op) {
                 ALU_CASE(fadd, fadd);
                 ALU_CASE(fmul, fmul);
@@ -888,10 +893,6 @@ emit_alu(compiler_context *ctx, nir_alu_instr *instr)
         case nir_op_u2u32: {
                 op = midgard_alu_op_imov;
 
-                unsigned src_bitsize = nir_src_bit_size(instr->src[0].src);
-                unsigned dst_bitsize = nir_dest_bit_size(instr->dest.dest);
-
-
                 if (dst_bitsize == (src_bitsize * 2)) {
                         /* Converting up */
                         half_2 = true;
-- 
2.20.1