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vkd3d-shader/ir: Use the iterator in vsir_program_lower_udiv().

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This commit is contained in:
Giovanni Mascellani
2025-07-17 15:22:45 +02:00
committed by Henri Verbeet
parent 0f18d25987
commit c1f7720075
Notes: Henri Verbeet 2025-07-21 12:35:10 +02:00 
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1624
1 changed files with 13 additions and 15 deletions
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28
libs/vkd3d-shader/ir.c
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@@ -1169,13 +1169,13 @@ static enum vkd3d_result vsir_program_lower_imul(struct vsir_program *program,
}
static enum vkd3d_result vsir_program_lower_udiv(struct vsir_program *program,
struct vkd3d_shader_instruction *udiv, struct vsir_transformation_context *ctx)
struct vsir_program_iterator *it, struct vsir_transformation_context *ctx)
{
struct vkd3d_shader_instruction_array *instructions = &program->instructions;
size_t pos = udiv - instructions->elements;
struct vkd3d_shader_instruction *ins, *mov;
struct vkd3d_shader_instruction *udiv, *ins, *mov;
unsigned int count = 2;
udiv = vsir_program_iterator_current(it);
if (udiv->dst_count != 2)
{
vkd3d_shader_error(ctx->message_context, &udiv->location,
@@ -1190,21 +1190,19 @@ static enum vkd3d_result vsir_program_lower_udiv(struct vsir_program *program,
if (udiv->dst[1].reg.type != VKD3DSPR_NULL)
++count;
if (!shader_instruction_array_insert_at(instructions, pos + 1, count))
if (!vsir_program_iterator_insert_after(it, count))
return VKD3D_ERROR_OUT_OF_MEMORY;
udiv = &instructions->elements[pos];
ins = &instructions->elements[pos + 1];
udiv = vsir_program_iterator_current(it);
/* Save the sources in a SSA in case a destination collides with a source. */
mov = ins++;
mov = vsir_program_iterator_next(it);
if (!(vsir_instruction_init_with_params(program, mov, &udiv->location, VSIR_OP_MOV, 1, 1)))
return VKD3D_ERROR_OUT_OF_MEMORY;
mov->src[0] = udiv->src[0];
dst_param_init_ssa(&mov->dst[0], program->ssa_count, udiv->src[0].reg.data_type, udiv->src[0].reg.dimension);
mov = ins++;
mov = vsir_program_iterator_next(it);
if (!(vsir_instruction_init_with_params(program, mov, &udiv->location, VSIR_OP_MOV, 1, 1)))
return VKD3D_ERROR_OUT_OF_MEMORY;
@@ -1213,6 +1211,8 @@ static enum vkd3d_result vsir_program_lower_udiv(struct vsir_program *program,
if (udiv->dst[0].reg.type != VKD3DSPR_NULL)
{
ins = vsir_program_iterator_next(it);
if (!(vsir_instruction_init_with_params(program, ins, &udiv->location, VSIR_OP_UDIV_SIMPLE, 1, 2)))
return VKD3D_ERROR_OUT_OF_MEMORY;
@@ -1223,12 +1223,12 @@ static enum vkd3d_result vsir_program_lower_udiv(struct vsir_program *program,
src_param_init_ssa(&ins->src[1], program->ssa_count + 1,
udiv->src[1].reg.data_type, udiv->src[1].reg.dimension);
ins->dst[0] = udiv->dst[0];
++ins;
}
if (udiv->dst[1].reg.type != VKD3DSPR_NULL)
{
ins = vsir_program_iterator_next(it);
if (!(vsir_instruction_init_with_params(program, ins, &udiv->location, VSIR_OP_UREM, 1, 2)))
return VKD3D_ERROR_OUT_OF_MEMORY;
@@ -1239,8 +1239,6 @@ static enum vkd3d_result vsir_program_lower_udiv(struct vsir_program *program,
src_param_init_ssa(&ins->src[1], program->ssa_count + 1,
udiv->src[1].reg.data_type, udiv->src[1].reg.dimension);
ins->dst[0] = udiv->dst[1];
++ins;
}
vkd3d_shader_instruction_make_nop(udiv);
@@ -1639,7 +1637,7 @@ static enum vkd3d_result vsir_program_lower_instructions(struct vsir_program *pr
break;
case VSIR_OP_UDIV:
if ((ret = vsir_program_lower_udiv(program, ins, ctx)) < 0)
if ((ret = vsir_program_lower_udiv(program, &it, ctx)) < 0)
return ret;
break;