mirror of
https://gitlab.freedesktop.org/mesa/mesa.git
synced 2026-05-23 21:38:18 +02:00
74f1d4f47b
Minor adjustments to formatting of the copyright line, but keep dates and holders. "Authors" entries that could be obtained via Git logs were also removed. The license in brw_disasm.c and elk_disasm.c don't match directly any SPDX pattern I could find, so kept as is. Reviewed-by: Ian Romanick <ian.d.romanick@intel.com> Acked-by: Alyssa Rosenzweig <alyssa.rosenzweig@intel.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/39503>
145 lines
6.5 KiB
C++
145 lines
6.5 KiB
C++
/*
|
|
* Copyright © 2015 Intel Corporation
|
|
* SPDX-License-Identifier: MIT
|
|
*/
|
|
|
|
/** @file elk_fs_validate.cpp
|
|
*
|
|
* Implements a pass that validates various invariants of the IR. The current
|
|
* pass only validates that GRF's uses are sane. More can be added later.
|
|
*/
|
|
|
|
#include "elk_fs.h"
|
|
#include "elk_cfg.h"
|
|
|
|
#define fsv_assert(assertion) \
|
|
{ \
|
|
if (!(assertion)) { \
|
|
fprintf(stderr, "ASSERT: Scalar %s validation failed!\n", \
|
|
_mesa_shader_stage_to_abbrev(stage)); \
|
|
dump_instruction(inst, stderr); \
|
|
fprintf(stderr, "%s:%d: '%s' failed\n", __FILE__, __LINE__, #assertion); \
|
|
abort(); \
|
|
} \
|
|
}
|
|
|
|
#define fsv_assert_eq(first, second) \
|
|
{ \
|
|
unsigned f = (first); \
|
|
unsigned s = (second); \
|
|
if (f != s) { \
|
|
fprintf(stderr, "ASSERT: Scalar %s validation failed!\n", \
|
|
_mesa_shader_stage_to_abbrev(stage)); \
|
|
dump_instruction(inst, stderr); \
|
|
fprintf(stderr, "%s:%d: A == B failed\n", __FILE__, __LINE__); \
|
|
fprintf(stderr, " A = %s = %u\n", #first, f); \
|
|
fprintf(stderr, " B = %s = %u\n", #second, s); \
|
|
abort(); \
|
|
} \
|
|
}
|
|
|
|
#define fsv_assert_ne(first, second) \
|
|
{ \
|
|
unsigned f = (first); \
|
|
unsigned s = (second); \
|
|
if (f == s) { \
|
|
fprintf(stderr, "ASSERT: Scalar %s validation failed!\n", \
|
|
_mesa_shader_stage_to_abbrev(stage)); \
|
|
dump_instruction(inst, stderr); \
|
|
fprintf(stderr, "%s:%d: A != B failed\n", __FILE__, __LINE__); \
|
|
fprintf(stderr, " A = %s = %u\n", #first, f); \
|
|
fprintf(stderr, " B = %s = %u\n", #second, s); \
|
|
abort(); \
|
|
} \
|
|
}
|
|
|
|
#define fsv_assert_lte(first, second) \
|
|
{ \
|
|
unsigned f = (first); \
|
|
unsigned s = (second); \
|
|
if (f > s) { \
|
|
fprintf(stderr, "ASSERT: Scalar %s validation failed!\n", \
|
|
_mesa_shader_stage_to_abbrev(stage)); \
|
|
dump_instruction(inst, stderr); \
|
|
fprintf(stderr, "%s:%d: A <= B failed\n", __FILE__, __LINE__); \
|
|
fprintf(stderr, " A = %s = %u\n", #first, f); \
|
|
fprintf(stderr, " B = %s = %u\n", #second, s); \
|
|
abort(); \
|
|
} \
|
|
}
|
|
|
|
#ifndef NDEBUG
|
|
void
|
|
elk_fs_visitor::validate()
|
|
{
|
|
cfg->validate(_mesa_shader_stage_to_abbrev(stage));
|
|
|
|
foreach_block_and_inst (block, elk_fs_inst, inst, cfg) {
|
|
switch (inst->opcode) {
|
|
case ELK_SHADER_OPCODE_SEND:
|
|
fsv_assert(is_uniform(inst->src[0]));
|
|
break;
|
|
|
|
case ELK_OPCODE_MOV:
|
|
fsv_assert(inst->sources == 1);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (inst->elk_is_3src(compiler)) {
|
|
const unsigned integer_sources =
|
|
elk_reg_type_is_integer(inst->src[0].type) +
|
|
elk_reg_type_is_integer(inst->src[1].type) +
|
|
elk_reg_type_is_integer(inst->src[2].type);
|
|
const unsigned float_sources =
|
|
elk_reg_type_is_floating_point(inst->src[0].type) +
|
|
elk_reg_type_is_floating_point(inst->src[1].type) +
|
|
elk_reg_type_is_floating_point(inst->src[2].type);
|
|
|
|
fsv_assert((integer_sources == 3 && float_sources == 0) ||
|
|
(integer_sources == 0 && float_sources == 3));
|
|
|
|
if (grf_used != 0) {
|
|
/* Only perform the pre-Gfx10 checks after register allocation has
|
|
* occured.
|
|
*
|
|
* Many passes (e.g., constant copy propagation) will genenerate
|
|
* invalid 3-source instructions with the expectation that later
|
|
* passes (e.g., combine constants) will fix them.
|
|
*/
|
|
for (unsigned i = 0; i < 3; i++) {
|
|
fsv_assert_ne(inst->src[i].file, ELK_IMMEDIATE_VALUE);
|
|
|
|
/* A stride of 1 (the usual case) or 0, with a special
|
|
* "repctrl" bit, is allowed. The repctrl bit doesn't work for
|
|
* 64-bit datatypes, so if the source type is 64-bit then only
|
|
* a stride of 1 is allowed. From the Broadwell PRM, Volume 7
|
|
* "3D Media GPGPU", page 944:
|
|
*
|
|
* This is applicable to 32b datatypes and 16b datatype. 64b
|
|
* datatypes cannot use the replicate control.
|
|
*/
|
|
fsv_assert_lte(inst->src[i].vstride, 1);
|
|
|
|
if (type_sz(inst->src[i].type) > 4)
|
|
fsv_assert_eq(inst->src[i].vstride, 1);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (inst->dst.file == VGRF) {
|
|
fsv_assert_lte(inst->dst.offset / REG_SIZE + regs_written(inst),
|
|
alloc.sizes[inst->dst.nr]);
|
|
}
|
|
|
|
for (unsigned i = 0; i < inst->sources; i++) {
|
|
if (inst->src[i].file == VGRF) {
|
|
fsv_assert_lte(inst->src[i].offset / REG_SIZE + regs_read(inst, i),
|
|
alloc.sizes[inst->src[i].nr]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#endif
|