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panfrost/midgard: Verify src_bitsize == dst_bitsize

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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@collabora.com>
This commit is contained in:
Alyssa Rosenzweig 2019-07-01 17:35:25 -07:00
parent 1686ef8655
commit 0ed8cca008
1 changed files with 5 additions and 4 deletions
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9
src/gallium/drivers/panfrost/midgard/midgard_compile.c
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@ -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;