* IN THE SOFTWARE.
*/
-#include <stdio.h>
-
#include "util/u_memory.h"
#include "util/u_simple_list.h"
+#include "util/ralloc.h"
#include "vc4_qir.h"
#include "vc4_qpu.h"
struct qir_op_info {
const char *name;
uint8_t ndst, nsrc;
+ bool has_side_effects;
};
static const struct qir_op_info qir_op_info[] = {
[QOP_FADD] = { "fadd", 1, 2 },
[QOP_FSUB] = { "fsub", 1, 2 },
[QOP_FMUL] = { "fmul", 1, 2 },
+ [QOP_MUL24] = { "mul24", 1, 2 },
[QOP_FMIN] = { "fmin", 1, 2 },
[QOP_FMAX] = { "fmax", 1, 2 },
[QOP_FMINABS] = { "fminabs", 1, 2 },
[QOP_FMAXABS] = { "fmaxabs", 1, 2 },
[QOP_FTOI] = { "ftoi", 1, 1 },
+ [QOP_ITOF] = { "itof", 1, 1 },
+ [QOP_ADD] = { "add", 1, 2 },
+ [QOP_SUB] = { "sub", 1, 2 },
+ [QOP_SHR] = { "shr", 1, 2 },
+ [QOP_ASR] = { "asr", 1, 2 },
+ [QOP_SHL] = { "shl", 1, 2 },
+ [QOP_MIN] = { "min", 1, 2 },
+ [QOP_MAX] = { "max", 1, 2 },
+ [QOP_AND] = { "and", 1, 2 },
+ [QOP_OR] = { "or", 1, 2 },
+ [QOP_XOR] = { "xor", 1, 2 },
+ [QOP_NOT] = { "not", 1, 1 },
+
+ [QOP_SF] = { "sf", 0, 1 },
+ [QOP_SEL_X_0_NS] = { "fsel_x_0_ns", 1, 1 },
+ [QOP_SEL_X_0_NC] = { "fsel_x_0_nc", 1, 1 },
+ [QOP_SEL_X_0_ZS] = { "fsel_x_0_zs", 1, 1 },
+ [QOP_SEL_X_0_ZC] = { "fsel_x_0_zc", 1, 1 },
+ [QOP_SEL_X_Y_NS] = { "fsel_x_y_ns", 1, 2 },
+ [QOP_SEL_X_Y_NC] = { "fsel_x_y_nc", 1, 2 },
+ [QOP_SEL_X_Y_ZS] = { "fsel_x_y_zs", 1, 2 },
+ [QOP_SEL_X_Y_ZC] = { "fsel_x_y_zc", 1, 2 },
+
[QOP_RCP] = { "rcp", 1, 1 },
[QOP_RSQ] = { "rsq", 1, 1 },
[QOP_EXP2] = { "exp2", 1, 2 },
[QOP_LOG2] = { "log2", 1, 2 },
[QOP_PACK_COLORS] = { "pack_colors", 1, 4 },
[QOP_PACK_SCALED] = { "pack_scaled", 1, 2 },
- [QOP_VPM_WRITE] = { "vpm_write", 0, 1 },
- [QOP_VPM_READ] = { "vpm_read", 0, 1 },
- [QOP_TLB_COLOR_WRITE] = { "tlb_color", 0, 1 },
+ [QOP_VPM_WRITE] = { "vpm_write", 0, 1, true },
+ [QOP_VPM_READ] = { "vpm_read", 0, 1, true },
+ [QOP_TLB_DISCARD_SETUP] = { "discard", 0, 1, true },
+ [QOP_TLB_STENCIL_SETUP] = { "tlb_stencil_setup", 0, 1, true },
+ [QOP_TLB_Z_WRITE] = { "tlb_z", 0, 1, true },
+ [QOP_TLB_COLOR_WRITE] = { "tlb_color", 0, 1, true },
+ [QOP_TLB_COLOR_READ] = { "tlb_color_read", 1, 0, true },
+ [QOP_VARY_ADD_C] = { "vary_add_c", 1, 1 },
+
+ [QOP_FRAG_X] = { "frag_x", 1, 0 },
+ [QOP_FRAG_Y] = { "frag_y", 1, 0 },
+ [QOP_FRAG_Z] = { "frag_z", 1, 0 },
+ [QOP_FRAG_W] = { "frag_w", 1, 0 },
+ [QOP_FRAG_REV_FLAG] = { "frag_rev_flag", 1, 0 },
+
+ [QOP_TEX_S] = { "tex_s", 0, 2 },
+ [QOP_TEX_T] = { "tex_t", 0, 2 },
+ [QOP_TEX_R] = { "tex_r", 0, 2 },
+ [QOP_TEX_B] = { "tex_b", 0, 2 },
+ [QOP_TEX_RESULT] = { "tex_result", 1, 0, true },
+ [QOP_R4_UNPACK_A] = { "r4_unpack_a", 1, 1 },
+ [QOP_R4_UNPACK_B] = { "r4_unpack_b", 1, 1 },
+ [QOP_R4_UNPACK_C] = { "r4_unpack_c", 1, 1 },
+ [QOP_R4_UNPACK_D] = { "r4_unpack_d", 1, 1 },
+ [QOP_UNPACK_8A] = { "unpack_8a", 1, 1 },
+ [QOP_UNPACK_8B] = { "unpack_8b", 1, 1 },
+ [QOP_UNPACK_8C] = { "unpack_8c", 1, 1 },
+ [QOP_UNPACK_8D] = { "unpack_8d", 1, 1 },
};
static const char *
abort();
}
+bool
+qir_has_side_effects(struct qinst *inst)
+{
+ for (int i = 0; i < qir_get_op_nsrc(inst->op); i++) {
+ if (inst->src[i].file == QFILE_VARY)
+ return true;
+ }
+
+ return qir_op_info[inst->op].has_side_effects;
+}
+
+bool
+qir_depends_on_flags(struct qinst *inst)
+{
+ switch (inst->op) {
+ case QOP_SEL_X_0_NS:
+ case QOP_SEL_X_0_NC:
+ case QOP_SEL_X_0_ZS:
+ case QOP_SEL_X_0_ZC:
+ case QOP_SEL_X_Y_NS:
+ case QOP_SEL_X_Y_NC:
+ case QOP_SEL_X_Y_ZS:
+ case QOP_SEL_X_Y_ZC:
+ return true;
+ default:
+ return false;
+ }
+}
+
+bool
+qir_writes_r4(struct qinst *inst)
+{
+ switch (inst->op) {
+ case QOP_TEX_RESULT:
+ case QOP_TLB_COLOR_READ:
+ case QOP_RCP:
+ case QOP_RSQ:
+ case QOP_EXP2:
+ case QOP_LOG2:
+ return true;
+ default:
+ return false;
+ }
+}
+
+bool
+qir_reads_r4(struct qinst *inst)
+{
+ switch (inst->op) {
+ case QOP_R4_UNPACK_A:
+ case QOP_R4_UNPACK_B:
+ case QOP_R4_UNPACK_C:
+ case QOP_R4_UNPACK_D:
+ return true;
+ default:
+ return false;
+ }
+}
+
static void
-qir_print_reg(struct qreg reg)
+qir_print_reg(struct vc4_compile *c, struct qreg reg)
{
const char *files[] = {
[QFILE_TEMP] = "t",
fprintf(stderr, "null");
else
fprintf(stderr, "%s%d", files[reg.file], reg.index);
+
+ if (reg.file == QFILE_UNIF &&
+ c->uniform_contents[reg.index] == QUNIFORM_CONSTANT) {
+ fprintf(stderr, " (0x%08x / %f)",
+ c->uniform_data[reg.index],
+ uif(c->uniform_data[reg.index]));
+ }
}
void
-qir_dump_inst(struct qinst *inst)
+qir_dump_inst(struct vc4_compile *c, struct qinst *inst)
{
fprintf(stderr, "%s ", qir_get_op_name(inst->op));
- qir_print_reg(inst->dst);
+ qir_print_reg(c, inst->dst);
for (int i = 0; i < qir_get_op_nsrc(inst->op); i++) {
fprintf(stderr, ", ");
- qir_print_reg(inst->src[i]);
+ qir_print_reg(c, inst->src[i]);
}
}
void
-qir_dump(struct qcompile *c)
+qir_dump(struct vc4_compile *c)
{
struct simple_node *node;
foreach(node, &c->instructions) {
struct qinst *inst = (struct qinst *)node;
- qir_dump_inst(inst);
+ qir_dump_inst(c, inst);
fprintf(stderr, "\n");
}
}
struct qreg
-qir_get_temp(struct qcompile *c)
+qir_get_temp(struct vc4_compile *c)
{
struct qreg reg;
}
void
-qir_emit(struct qcompile *c, struct qinst *inst)
+qir_emit(struct vc4_compile *c, struct qinst *inst)
{
insert_at_tail(&c->instructions, &inst->link);
}
-struct qcompile *
+bool
+qir_reg_equals(struct qreg a, struct qreg b)
+{
+ return a.file == b.file && a.index == b.index;
+}
+
+struct vc4_compile *
qir_compile_init(void)
{
- struct qcompile *c = CALLOC_STRUCT(qcompile);
+ struct vc4_compile *c = rzalloc(NULL, struct vc4_compile);
make_empty_list(&c->instructions);
+ c->output_position_index = -1;
+ c->output_color_index = -1;
+
return c;
}
void
-qir_compile_destroy(struct qcompile *c)
+qir_remove_instruction(struct qinst *qinst)
{
- free(c);
+ remove_from_list(&qinst->link);
+ free(qinst->src);
+ free(qinst);
+}
+
+void
+qir_compile_destroy(struct vc4_compile *c)
+{
+ while (!is_empty_list(&c->instructions)) {
+ struct qinst *qinst =
+ (struct qinst *)first_elem(&c->instructions);
+ qir_remove_instruction(qinst);
+ }
+
+ ralloc_free(c);
}
const char *
return names[stage];
}
+
+#define OPTPASS(func) \
+ do { \
+ bool stage_progress = func(c); \
+ if (stage_progress) { \
+ progress = true; \
+ if (print_opt_debug) { \
+ fprintf(stderr, \
+ "QIR opt pass %2d: %s progress\n", \
+ pass, #func); \
+ } \
+ } \
+ } while (0)
+
+void
+qir_optimize(struct vc4_compile *c)
+{
+ bool print_opt_debug = false;
+ int pass = 1;
+
+ while (true) {
+ bool progress = false;
+
+ OPTPASS(qir_opt_algebraic);
+ OPTPASS(qir_opt_cse);
+ OPTPASS(qir_opt_copy_propagation);
+ OPTPASS(qir_opt_dead_code);
+
+ if (!progress)
+ break;
+
+ pass++;
+ }
+}
projects / mesa.git / blobdiff