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aco: remove v_{add,sub,subrev}_u32 on GFX8

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These opcodes are never used and they always write the carry-out
according to the GCN3 ISA documentation.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7569>
This commit is contained in:
Samuel Pitoiset 2020-11-12 12:13:36 +01:00 • committed by Marge Bot
parent e7f8c195d8
commit 2f5b3ac2f8
1 changed files with 3 additions and 3 deletions
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6
src/amd/compiler/aco_opcodes.py
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@ -704,9 +704,9 @@ VOP2 = {
( -1, -1, 0x31, 0x31, -1, "v_min_u16", False),
( -1, -1, 0x32, 0x32, -1, "v_min_i16", False),
( -1, -1, 0x33, 0x33, 0x3b, "v_ldexp_f16", False),
( -1, -1, 0x34, 0x34, 0x25, "v_add_u32", False), # v_add_nc_u32 in RDNA
( -1, -1, 0x35, 0x35, 0x26, "v_sub_u32", False), # v_sub_nc_u32 in RDNA
( -1, -1, 0x36, 0x36, 0x27, "v_subrev_u32", False), # v_subrev_nc_u32 in RDNA
( -1, -1, -1, 0x34, 0x25, "v_add_u32", False), # use v_add_co_u32 on GFX8, called v_add_nc_u32 in RDNA
( -1, -1, -1, 0x35, 0x26, "v_sub_u32", False), # use v_sub_co_u32 on GFX8, called v_sub_nc_u32 in RDNA
( -1, -1, -1, 0x36, 0x27, "v_subrev_u32", False), # use v_subrev_co_u32 on GFX8, called v_subrev_nc_u32 in RDNA
( -1, -1, -1, -1, 0x36, "v_fmac_f16", False),
( -1, -1, -1, -1, 0x37, "v_fmamk_f16", False),
( -1, -1, -1, -1, 0x38, "v_fmaak_f16", False),