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aco: rename is_opy_only to can_be_opx

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Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/34246>
This commit is contained in:
Rhys Perry 2025-04-09 15:14:48 +01:00 • committed by Marge Bot
parent 408fa33c09
commit 4b0da5b51f
1 changed files with 15 additions and 14 deletions
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29
src/amd/compiler/aco_scheduler_ilp.cpp
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@ -29,8 +29,8 @@ using mask_t = uint16_t;
static_assert(std::numeric_limits<mask_t>::digits >= num_nodes);
struct VOPDInfo {
VOPDInfo() : is_opy_only(0), is_dst_odd(0), src_banks(0), has_literal(0), is_commutative(0) {}
uint16_t is_opy_only : 1;
VOPDInfo() : can_be_opx(0), is_dst_odd(0), src_banks(0), has_literal(0), is_commutative(0) {}
uint16_t can_be_opx : 1;
uint16_t is_dst_odd : 1;
uint16_t src_banks : 10; /* 0-3: src0, 4-7: src1, 8-9: src2 */
uint16_t has_literal : 1;
@ -133,6 +133,7 @@ get_vopd_info(const SchedILPContext& ctx, const Instruction* instr)
return VOPDInfo();
VOPDInfo info;
info.can_be_opx = true;
info.is_commutative = true;
switch (instr->opcode) {
case aco_opcode::v_fmac_f32: info.op = aco_opcode::v_dual_fmac_f32; break;
@ -161,16 +162,16 @@ get_vopd_info(const SchedILPContext& ctx, const Instruction* instr)
case aco_opcode::v_dot2c_f32_f16: info.op = aco_opcode::v_dual_dot2acc_f32_f16; break;
case aco_opcode::v_add_u32:
info.op = aco_opcode::v_dual_add_nc_u32;
info.is_opy_only = true;
info.can_be_opx = false;
break;
case aco_opcode::v_lshlrev_b32:
info.op = aco_opcode::v_dual_lshlrev_b32;
info.is_opy_only = true;
info.can_be_opx = false;
info.is_commutative = false;
break;
case aco_opcode::v_and_b32:
info.op = aco_opcode::v_dual_and_b32;
info.is_opy_only = true;
info.can_be_opx = false;
break;
default: return VOPDInfo();
}
@ -215,7 +216,7 @@ get_vopd_info(const SchedILPContext& ctx, const Instruction* instr)
bool
is_vopd_compatible(const VOPDInfo& a, const VOPDInfo& b, bool* swap)
{
if ((a.is_opy_only && b.is_opy_only) || (a.is_dst_odd == b.is_dst_odd))
if ((!a.can_be_opx && !b.can_be_opx) || (a.is_dst_odd == b.is_dst_odd))
return false;
/* Both can use a literal, but it must be the same literal. */
@ -241,9 +242,9 @@ is_vopd_compatible(const VOPDInfo& a, const VOPDInfo& b, bool* swap)
/* If we have to turn v_mov_b32 into v_add_u32 but there is already an OPY-only instruction,
* we can't do it.
*/
if (a.op == aco_opcode::v_dual_mov_b32 && !b.is_commutative && b.is_opy_only)
if (!b.is_commutative && !b.can_be_opx && a.op == aco_opcode::v_dual_mov_b32)
return false;
if (b.op == aco_opcode::v_dual_mov_b32 && !a.is_commutative && a.is_opy_only)
if (!a.is_commutative && !a.can_be_opx && b.op == aco_opcode::v_dual_mov_b32)
return false;
*swap = true;
@ -270,7 +271,7 @@ can_use_vopd(const SchedILPContext& ctx, unsigned idx, bool* prev_can_be_opx)
/* If we have to swap a v_mov_b32, it will become an OPY-only opcode. */
if (swap && !ctx.prev_vopd_info.is_commutative && cur_vopd.op == aco_opcode::v_dual_mov_b32)
cur_vopd.is_opy_only = true;
cur_vopd.can_be_opx = false;
assert(first->definitions.size() == 1);
assert(first->definitions[0].size() == 1);
@ -304,7 +305,7 @@ can_use_vopd(const SchedILPContext& ctx, unsigned idx, bool* prev_can_be_opx)
*prev_can_be_opx = false;
}
return *prev_can_be_opx || !cur_vopd.is_opy_only;
return *prev_can_be_opx || cur_vopd.can_be_opx;
}
Instruction_cycle_info
@ -752,7 +753,7 @@ create_vopd_instruction(const SchedILPContext& ctx, unsigned idx, bool prev_can_
Instruction* y = ctx.nodes[idx].instr;
VOPDInfo x_info = ctx.prev_vopd_info;
VOPDInfo y_info = ctx.vopd[idx];
x_info.is_opy_only |= !prev_can_be_opx;
x_info.can_be_opx &= prev_can_be_opx;
bool swap_x = false, swap_y = false;
if (x_info.src_banks & y_info.src_banks) {
@ -760,19 +761,19 @@ create_vopd_instruction(const SchedILPContext& ctx, unsigned idx, bool prev_can_
/* Avoid swapping v_mov_b32 because it will become an OPY-only opcode. */
if (x_info.op == aco_opcode::v_dual_mov_b32 && !y_info.is_commutative) {
swap_x = true;
x_info.is_opy_only = true;
x_info.can_be_opx = false;
} else {
swap_x = x_info.is_commutative && x_info.op != aco_opcode::v_dual_mov_b32;
swap_y = y_info.is_commutative && !swap_x;
}
}
if (x_info.is_opy_only) {
if (!x_info.can_be_opx) {
std::swap(x, y);
std::swap(x_info, y_info);
std::swap(swap_x, swap_y);
}
assert(!x_info.is_opy_only);
assert(x_info.can_be_opx);
aco_opcode x_op, y_op;
unsigned num_operands = 0;