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-rw-r--r--src/mesa/drivers/dri/i965/brw_fs.cpp32
-rw-r--r--src/mesa/drivers/dri/i965/brw_fs_combine_constants.cpp10
-rw-r--r--src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp19
-rw-r--r--src/mesa/drivers/dri/i965/brw_fs_generator.cpp4
-rw-r--r--src/mesa/drivers/dri/i965/brw_fs_nir.cpp4
-rw-r--r--src/mesa/drivers/dri/i965/brw_ir_fs.h16
6 files changed, 34 insertions, 51 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp
index 84017987b43..04f04572d83 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -426,7 +426,6 @@ fs_reg::fs_reg(struct ::brw_reg reg) :
backend_reg(reg)
{
this->offset = 0;
- this->subreg_offset = 0;
this->stride = 1;
if (this->file == IMM &&
(this->type != BRW_REGISTER_TYPE_V &&
@@ -440,7 +439,6 @@ bool
fs_reg::equals(const fs_reg &r) const
{
return (this->backend_reg::equals(r) &&
- subreg_offset == r.subreg_offset &&
stride == r.stride);
}
@@ -448,7 +446,7 @@ fs_reg &
fs_reg::set_smear(unsigned subreg)
{
assert(file != ARF && file != FIXED_GRF && file != IMM);
- subreg_offset = subreg * type_sz(type);
+ offset = ROUND_DOWN_TO(offset, REG_SIZE) + subreg * type_sz(type);
stride = 0;
return *this;
}
@@ -710,7 +708,7 @@ fs_inst::is_partial_write() const
return ((this->predicate && this->opcode != BRW_OPCODE_SEL) ||
(this->exec_size * type_sz(this->dst.type)) < 32 ||
!this->dst.is_contiguous() ||
- this->dst.subreg_offset > 0);
+ this->dst.offset % REG_SIZE != 0);
}
unsigned
@@ -1485,7 +1483,7 @@ fs_visitor::assign_curb_setup()
assert(inst->src[i].stride == 0);
inst->src[i] = byte_offset(
retype(brw_reg, inst->src[i].type),
- inst->src[i].subreg_offset);
+ inst->src[i].offset % 4);
}
}
}
@@ -1642,7 +1640,7 @@ fs_visitor::convert_attr_sources_to_hw_regs(fs_inst *inst)
unsigned width = inst->src[i].stride == 0 ? 1 : exec_size;
struct brw_reg reg =
stride(byte_offset(retype(brw_vec8_grf(grf, 0), inst->src[i].type),
- inst->src[i].subreg_offset),
+ inst->src[i].offset % REG_SIZE),
exec_size * inst->src[i].stride,
width, inst->src[i].stride);
reg.abs = inst->src[i].abs;
@@ -2715,7 +2713,7 @@ fs_visitor::compute_to_mrf()
inst->dst.type != inst->src[0].type ||
inst->src[0].abs || inst->src[0].negate ||
!inst->src[0].is_contiguous() ||
- inst->src[0].subreg_offset)
+ inst->src[0].offset % REG_SIZE != 0)
continue;
/* Can't compute-to-MRF this GRF if someone else was going to
@@ -3519,7 +3517,7 @@ fs_visitor::lower_integer_multiplication()
assert(src1_1_w.stride == 1);
src1_1_w.stride = 2;
}
- src1_1_w.subreg_offset += type_sz(BRW_REGISTER_TYPE_UW);
+ src1_1_w.offset += type_sz(BRW_REGISTER_TYPE_UW);
}
ibld.MUL(low, inst->src[0], src1_0_w);
ibld.MUL(high, inst->src[0], src1_1_w);
@@ -3538,7 +3536,7 @@ fs_visitor::lower_integer_multiplication()
assert(src0_1_w.stride == 1);
src0_1_w.stride = 2;
}
- src0_1_w.subreg_offset += type_sz(BRW_REGISTER_TYPE_UW);
+ src0_1_w.offset += type_sz(BRW_REGISTER_TYPE_UW);
ibld.MUL(low, src0_0_w, inst->src[1]);
ibld.MUL(high, src0_1_w, inst->src[1]);
@@ -3546,14 +3544,14 @@ fs_visitor::lower_integer_multiplication()
fs_reg dst = inst->dst;
dst.type = BRW_REGISTER_TYPE_UW;
- dst.subreg_offset = 2;
+ dst.offset = ROUND_DOWN_TO(dst.offset, REG_SIZE) + 2;
dst.stride = 2;
high.type = BRW_REGISTER_TYPE_UW;
high.stride = 2;
low.type = BRW_REGISTER_TYPE_UW;
- low.subreg_offset = 2;
+ low.offset = ROUND_DOWN_TO(low.offset, REG_SIZE) + 2;
low.stride = 2;
ibld.ADD(dst, low, high);
@@ -5317,9 +5315,9 @@ fs_visitor::dump_instruction(backend_instruction *be_inst, FILE *file)
case VGRF:
fprintf(file, "vgrf%d", inst->dst.nr);
if (alloc.sizes[inst->dst.nr] != inst->regs_written ||
- inst->dst.subreg_offset)
+ inst->dst.offset % REG_SIZE)
fprintf(file, "+%d.%d",
- inst->dst.offset / REG_SIZE, inst->dst.subreg_offset);
+ inst->dst.offset / REG_SIZE, inst->dst.offset % REG_SIZE);
break;
case FIXED_GRF:
fprintf(file, "g%d", inst->dst.nr);
@@ -5373,9 +5371,9 @@ fs_visitor::dump_instruction(backend_instruction *be_inst, FILE *file)
case VGRF:
fprintf(file, "vgrf%d", inst->src[i].nr);
if (alloc.sizes[inst->src[i].nr] != (unsigned)inst->regs_read(i) ||
- inst->src[i].subreg_offset)
+ inst->src[i].offset % REG_SIZE != 0)
fprintf(file, "+%d.%d", inst->src[i].offset / REG_SIZE,
- inst->src[i].subreg_offset);
+ inst->src[i].offset % REG_SIZE);
break;
case FIXED_GRF:
fprintf(file, "g%d", inst->src[i].nr);
@@ -5388,9 +5386,9 @@ fs_visitor::dump_instruction(backend_instruction *be_inst, FILE *file)
break;
case UNIFORM:
fprintf(file, "u%d", inst->src[i].nr + inst->src[i].offset / 4);
- if (inst->src[i].subreg_offset) {
+ if (inst->src[i].offset % 4 != 0) {
fprintf(file, "+%d.%d", inst->src[i].offset / 4,
- inst->src[i].subreg_offset);
+ inst->src[i].offset % 4);
}
break;
case BAD_FILE:
diff --git a/src/mesa/drivers/dri/i965/brw_fs_combine_constants.cpp b/src/mesa/drivers/dri/i965/brw_fs_combine_constants.cpp
index 5c1a00141ab..fcf2fe2f1e4 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_combine_constants.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_combine_constants.cpp
@@ -280,12 +280,12 @@ fs_visitor::opt_combine_constants()
ibld.MOV(reg, brw_imm_f(imm->val));
imm->nr = reg.nr;
- imm->subreg_offset = reg.subreg_offset;
+ imm->subreg_offset = reg.offset % REG_SIZE;
- reg.subreg_offset += sizeof(float);
- if ((unsigned)reg.subreg_offset == 8 * sizeof(float)) {
+ reg.offset += sizeof(float);
+ if (reg.offset == 8 * sizeof(float)) {
reg.nr = alloc.allocate(1);
- reg.subreg_offset = 0;
+ reg.offset = 0;
}
}
promoted_constants = table.len;
@@ -296,7 +296,7 @@ fs_visitor::opt_combine_constants()
fs_reg *reg = link->reg;
reg->file = VGRF;
reg->nr = table.imm[i].nr;
- reg->subreg_offset = table.imm[i].subreg_offset;
+ reg->offset = table.imm[i].subreg_offset;
reg->stride = 0;
reg->negate = signbit(reg->f) != signbit(table.imm[i].val);
assert((isnan(reg->f) && isnan(table.imm[i].val)) ||
diff --git a/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp b/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp
index 09d0a4ec985..10f0a5b2820 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp
@@ -341,7 +341,7 @@ region_contained_in(const fs_reg &src, unsigned regs_read,
const fs_reg &dst, unsigned regs_written)
{
return src.file == dst.file && src.nr == dst.nr &&
- (src.offset + src.subreg_offset >= dst.offset + dst.subreg_offset) &&
+ src.offset >= dst.offset &&
src.offset / REG_SIZE + regs_read <= dst.offset / REG_SIZE + regs_written;
}
@@ -461,30 +461,21 @@ fs_visitor::try_copy_propagate(fs_inst *inst, int arg, acp_entry *entry)
inst->saturate = inst->saturate || entry->saturate;
/* Compute the offset of inst->src[arg] relative to entry->dst */
- const unsigned rel_offset = inst->src[arg].offset - entry->dst.offset +
- inst->src[arg].subreg_offset;
+ const unsigned rel_offset = inst->src[arg].offset - entry->dst.offset;
/* Compute the first component of the copy that the instruction is
* reading, and the base byte offset within that component.
*/
- assert(entry->dst.subreg_offset == 0 && entry->dst.stride == 1);
+ assert(entry->dst.offset % REG_SIZE == 0 && entry->dst.stride == 1);
const unsigned component = rel_offset / type_sz(entry->dst.type);
const unsigned suboffset = rel_offset % type_sz(entry->dst.type);
- /* Account for the inconsistent units reg_offset is expressed in.
- * FINISHME -- Make the units of reg_offset consistent (e.g. bytes?) for
- * all register files.
- */
- const unsigned reg_size = (entry->src.file == UNIFORM ? 4 : REG_SIZE);
-
/* Calculate the byte offset at the origin of the copy of the given
* component and suboffset.
*/
- const unsigned offset = suboffset +
+ inst->src[arg].offset = suboffset +
component * entry->src.stride * type_sz(entry->src.type) +
- entry->src.offset + entry->src.subreg_offset;
- inst->src[arg].offset = ROUND_DOWN_TO(offset, reg_size);
- inst->src[arg].subreg_offset = offset % reg_size;
+ entry->src.offset;
if (has_source_modifiers) {
if (entry->dst.type != inst->src[arg].type) {
diff --git a/src/mesa/drivers/dri/i965/brw_fs_generator.cpp b/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
index 2a45c37022e..12ab7b3fe66 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
@@ -97,14 +97,14 @@ brw_reg_from_fs_reg(fs_inst *inst, fs_reg *reg, unsigned gen, bool compressed)
}
brw_reg = retype(brw_reg, reg->type);
- brw_reg = byte_offset(brw_reg, reg->subreg_offset);
+ brw_reg = byte_offset(brw_reg, reg->offset % REG_SIZE);
brw_reg.abs = reg->abs;
brw_reg.negate = reg->negate;
break;
case ARF:
case FIXED_GRF:
case IMM:
- assert(reg->subreg_offset == 0);
+ assert(reg->offset % REG_SIZE == 0);
brw_reg = reg->as_brw_reg();
break;
case BAD_FILE:
diff --git a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
index a0d318767c7..cd4005c0e60 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
@@ -509,13 +509,13 @@ fs_visitor::optimize_frontfacing_ternary(nir_alu_instr *instr,
}
tmp.type = BRW_REGISTER_TYPE_W;
- tmp.subreg_offset = 2;
+ tmp.offset = ROUND_DOWN_TO(tmp.offset, REG_SIZE) + 2;
tmp.stride = 2;
bld.OR(tmp, g0, brw_imm_uw(0x3f80));
tmp.type = BRW_REGISTER_TYPE_D;
- tmp.subreg_offset = 0;
+ tmp.offset = ROUND_DOWN_TO(tmp.offset, REG_SIZE);
tmp.stride = 1;
} else {
/* Bit 31 of g1.6 is 0 if the polygon is front facing. */
diff --git a/src/mesa/drivers/dri/i965/brw_ir_fs.h b/src/mesa/drivers/dri/i965/brw_ir_fs.h
index 10da31e8dc7..19ef242d166 100644
--- a/src/mesa/drivers/dri/i965/brw_ir_fs.h
+++ b/src/mesa/drivers/dri/i965/brw_ir_fs.h
@@ -52,12 +52,6 @@ public:
/** Smear a channel of the reg to all channels. */
fs_reg &set_smear(unsigned subreg);
- /**
- * Offset in bytes from the start of the register. Values up to a
- * backend_reg::reg_offset unit are valid.
- */
- int subreg_offset;
-
/** Register region horizontal stride */
uint8_t stride;
};
@@ -87,15 +81,15 @@ byte_offset(fs_reg reg, unsigned delta)
case ATTR:
case UNIFORM: {
const unsigned reg_size = (reg.file == UNIFORM ? 4 : REG_SIZE);
- const unsigned suboffset = reg.subreg_offset + delta;
+ const unsigned suboffset = reg.offset % reg_size + delta;
reg.offset += ROUND_DOWN_TO(suboffset, reg_size);
- reg.subreg_offset = suboffset % reg_size;
+ reg.offset = ROUND_DOWN_TO(reg.offset, reg_size) + suboffset % reg_size;
break;
}
case MRF: {
- const unsigned suboffset = reg.subreg_offset + delta;
+ const unsigned suboffset = reg.offset % REG_SIZE + delta;
reg.nr += suboffset / REG_SIZE;
- reg.subreg_offset = suboffset % REG_SIZE;
+ reg.offset = ROUND_DOWN_TO(reg.offset, REG_SIZE) + suboffset % REG_SIZE;
break;
}
case ARF:
@@ -193,7 +187,7 @@ static inline unsigned
reg_offset(const fs_reg &r)
{
return (r.file == VGRF || r.file == IMM ? 0 : r.nr) *
- (r.file == UNIFORM ? 4 : REG_SIZE) + r.offset + r.subreg_offset;
+ (r.file == UNIFORM ? 4 : REG_SIZE) + r.offset;
}
/**
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-12 11:10:33 +0000