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aco: use VOP2 version of v_mbcnt_hi_u32_b32 on GFX6/7 

fossil-db (Pitcairn):
Totals from 2172 (1.58% of 137414) affected shaders:
CodeSize: 7109080 -> 7100100 (-0.13%)

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/5623>
This commit is contained in:
Rhys Perry 2020-06-24 11:26:22 +01:00 committed by Marge Bot
parent b7418270c3
commit ec4d3def16
2 changed files with 6 additions and 2 deletions
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5
src/amd/compiler/aco_instruction_selection.cpp
View File

@ -136,8 +136,11 @@ Temp emit_mbcnt(isel_context *ctx, Definition dst,
if (ctx->program->wave_size == 32) {
return thread_id_lo;
} else if (ctx->program->chip_class <= GFX7) {
Temp thread_id_hi = bld.vop2(aco_opcode::v_mbcnt_hi_u32_b32, dst, mask_hi, thread_id_lo);
return thread_id_hi;
} else {
Temp thread_id_hi = bld.vop3(aco_opcode::v_mbcnt_hi_u32_b32, dst, mask_hi, thread_id_lo);
Temp thread_id_hi = bld.vop3(aco_opcode::v_mbcnt_hi_u32_b32_e64, dst, mask_hi, thread_id_lo);
return thread_id_hi;
}
}

3
src/amd/compiler/aco_opcodes.py
View File

@ -672,6 +672,7 @@ VOP2 = {
(0x1f, 0x1f, 0x16, 0x16, 0x1f, "v_mac_f32", True),
(0x20, 0x20, 0x17, 0x17, 0x20, "v_madmk_f32", False),
(0x21, 0x21, 0x18, 0x18, 0x21, "v_madak_f32", False),
(0x24, 0x24, -1, -1, -1, "v_mbcnt_hi_u32_b32", False),
(0x25, 0x25, 0x19, 0x19, -1, "v_add_co_u32", False), # VOP3B only in RDNA
(0x26, 0x26, 0x1a, 0x1a, -1, "v_sub_co_u32", False), # VOP3B only in RDNA
(0x27, 0x27, 0x1b, 0x1b, -1, "v_subrev_co_u32", False), # VOP3B only in RDNA
@ -1042,7 +1043,7 @@ VOP3 = {
( -1, -1, 0x28a, 0x28a, 0x361, "v_writelane_b32_e64", False, False),
(0x122, 0x122, 0x28b, 0x28b, 0x364, "v_bcnt_u32_b32", False, False),
(0x123, 0x123, 0x28c, 0x28c, 0x365, "v_mbcnt_lo_u32_b32", False, False),
(0x124, 0x124, 0x28d, 0x28d, 0x366, "v_mbcnt_hi_u32_b32", False, False),
( -1, -1, 0x28d, 0x28d, 0x366, "v_mbcnt_hi_u32_b32_e64", False, False),
( -1, -1, 0x28f, 0x28f, 0x2ff, "v_lshlrev_b64", False, False),
( -1, -1, 0x290, 0x290, 0x300, "v_lshrrev_b64", False, False),
( -1, -1, 0x291, 0x291, 0x301, "v_ashrrev_i64", False, False),