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[AMDGPU][MC][GFX10] Corrected definition of FLAT GLOBAL/SCRATCH instructions 

See bug 43483: https://bugs.llvm.org/show_bug.cgi?id=43483

Reviewers: arsenm, rampitec

Differential Revision: https://reviews.llvm.org/D68347

llvm-svn: 373736
This commit is contained in:
Dmitry Preobrazhensky 2019-10-04 12:10:22 +00:00
parent 0d5250a858
commit 94d040706d
3 changed files with 96 additions and 1 deletions
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2
llvm/lib/Target/AMDGPU/FLATInstructions.td
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@ -1184,7 +1184,7 @@ class FLAT_Real_gfx10<bits<7> op, FLAT_Pseudo ps> :
let AssemblerPredicate = isGFX10Plus;
let DecoderNamespace = "GFX10";
let Inst{11-0} = {offset{12}, offset{10-0}};
let Inst{11-0} = offset{11-0};
let Inst{12} = !if(ps.has_dlc, dlc, ps.dlcValue);
let Inst{54-48} = !if(ps.has_saddr, !if(ps.enabled_saddr, saddr, 0x7d), 0x7d);
let Inst{55} = 0;

20
llvm/test/MC/AMDGPU/flat-scratch-instructions.s
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@ -115,6 +115,26 @@ scratch_load_dword v1, v2, off offset:-4097
// GFX9-ERR: :32: error: expected a 13-bit signed offset
// VI-ERR: :32: error: not a valid operand.
scratch_load_dword v0, v1, off offset:-2049 glc slc
// GFX10-ERR: :32: error: expected a 12-bit signed offset
// GFX9: scratch_load_dword v0, v1, off offset:-2049 glc slc ; encoding: [0xff,0x57,0x53,0xdc,0x01,0x00,0x7f,0x00]
// VI-ERR: :32: error: not a valid operand.
scratch_load_dword v0, v1, off offset:-2048 glc slc
// GFX10: scratch_load_dword v0, v1, off offset:-2048 glc slc ; encoding: [0x00,0x48,0x33,0xdc,0x01,0x00,0x7d,0x00]
// GFX9: scratch_load_dword v0, v1, off offset:-2048 glc slc ; encoding: [0x00,0x58,0x53,0xdc,0x01,0x00,0x7f,0x00]
// VI-ERR: :32: error: not a valid operand.
scratch_load_dword v255, off, s1 offset:2047
// GFX10: scratch_load_dword v255, off, s1 offset:2047 ; encoding: [0xff,0x47,0x30,0xdc,0x00,0x00,0x01,0xff]
// GFX9: scratch_load_dword v255, off, s1 offset:2047 ; encoding: [0xff,0x47,0x50,0xdc,0x00,0x00,0x01,0xff]
// VI-ERR: :34: error: not a valid operand.
scratch_load_dword v255, off, s0 offset:2048
// GFX10-ERR: :34: error: expected a 12-bit signed offset
// GFX9: scratch_load_dword v255, off, s0 offset:2048 ; encoding: [0x00,0x48,0x50,0xdc,0x00,0x00,0x00,0xff]
// VI-ERR: :34: error: not a valid operand.
scratch_store_byte v1, v2, off
// GFX10: encoding: [0x00,0x40,0x60,0xdc,0x01,0x02,0x7d,0x00]
// GFX9: scratch_store_byte v1, v2, off ; encoding: [0x00,0x40,0x60,0xdc,0x01,0x02,0x7f,0x00]

75
llvm/test/MC/Disassembler/AMDGPU/flat_gfx10.txt Normal file
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@ -0,0 +1,75 @@
# RUN: llvm-mc -arch=amdgcn -mcpu=gfx1010 -disassemble -show-encoding < %s | FileCheck %s
#===------------------------------------------------------------------------===#
# scratch_load
#===------------------------------------------------------------------------===#
# CHECK: scratch_load_dword v1, v255, off offset:-1 glc dlc ; encoding: [0xff,0x5f,0x31,0xdc,0xff,0x00,0x7d,0x01]
0xff 0x5f 0x31 0xdc 0xff 0x00 0x7d 0x01
# CHECK: scratch_load_dword v5, v255, off offset:-1 glc slc ; encoding: [0xff,0x4f,0x33,0xdc,0xff,0x00,0x7d,0x05]
0xff 0x4f 0x33 0xdc 0xff 0x00 0x7d 0x05
# CHECK: scratch_load_dword v0, v1, off offset:-2048 glc slc dlc ; encoding: [0x00,0x58,0x33,0xdc,0x01,0x00,0x7d,0x00]
0x00 0x58 0x33 0xdc 0x01 0x00 0x7d 0x00
# CHECK: scratch_load_dword v255, off, s105 offset:2047 dlc ; encoding: [0xff,0x57,0x30,0xdc,0x00,0x00,0x69,0xff]
0xff 0x57 0x30 0xdc 0x00 0x00 0x69 0xff
# CHECK: scratch_load_dword v255, v2, off ; encoding: [0x00,0x40,0x30,0xdc,0x02,0x00,0x7d,0xff]
0x00 0x40 0x30 0xdc 0x02 0x00 0x7d 0xff
# CHECK: scratch_load_dword v5, v0, off dlc ; encoding: [0x00,0x50,0x30,0xdc,0x00,0x00,0x7d,0x05]
0x00 0x50 0x30 0xdc 0x00 0x00 0x7d 0x05
# CHECK: scratch_load_dword v5, v3, off slc ; encoding: [0x00,0x40,0x32,0xdc,0x03,0x00,0x7d,0x05]
0x00 0x40 0x32 0xdc 0x03 0x00 0x7d 0x05
# CHECK: scratch_load_dword v5, v255, off slc dlc ; encoding: [0x00,0x50,0x32,0xdc,0xff,0x00,0x7d,0x05]
0x00 0x50 0x32 0xdc 0xff 0x00 0x7d 0x05
# CHECK: scratch_load_dword v255, off, s2 offset:1 ; encoding: [0x01,0x40,0x30,0xdc,0x00,0x00,0x02,0xff]
0x01 0x40 0x30 0xdc 0x00 0x00 0x02 0xff
#===------------------------------------------------------------------------===#
# scratch_store
#===------------------------------------------------------------------------===#
# CHECK: scratch_store_dword off, v2, s3 offset:-1 ; encoding: [0xff,0x4f,0x70,0xdc,0x00,0x02,0x03,0x00]
0xff,0x4f,0x70,0xdc,0x00,0x02,0x03,0x00
# CHECK: scratch_store_dword off, v255, s3 offset:-1 ; encoding: [0xff,0x4f,0x70,0xdc,0x00,0xff,0x03,0x00]
0xff,0x4f,0x70,0xdc,0x00,0xff,0x03,0x00
# CHECK: scratch_store_dword off, v2, s105 offset:-1 ; encoding: [0xff,0x4f,0x70,0xdc,0x00,0x02,0x69,0x00]
0xff,0x4f,0x70,0xdc,0x00,0x02,0x69,0x00
# CHECK: scratch_store_dword off, v2, vcc_lo offset:-1 ; encoding: [0xff,0x4f,0x70,0xdc,0x00,0x02,0x6a,0x00]
0xff,0x4f,0x70,0xdc,0x00,0x02,0x6a,0x00
# CHECK: scratch_store_dword off, v2, vcc_hi offset:-1 ; encoding: [0xff,0x4f,0x70,0xdc,0x00,0x02,0x6b,0x00]
0xff,0x4f,0x70,0xdc,0x00,0x02,0x6b,0x00
# CHECK: scratch_store_dword off, v2, ttmp15 offset:-1 ; encoding: [0xff,0x4f,0x70,0xdc,0x00,0x02,0x7b,0x00]
0xff,0x4f,0x70,0xdc,0x00,0x02,0x7b,0x00
# CHECK: scratch_store_dword v0, v2, off offset:-1 ; encoding: [0xff,0x4f,0x70,0xdc,0x00,0x02,0x7d,0x00]
0xff,0x4f,0x70,0xdc,0x00,0x02,0x7d,0x00
# CHECK: scratch_store_dword off, v2, s3 ; encoding: [0x00,0x40,0x70,0xdc,0x00,0x02,0x03,0x00]
0x00,0x40,0x70,0xdc,0x00,0x02,0x03,0x00
# CHECK: scratch_store_dword off, v2, s3 offset:2047 ; encoding: [0xff,0x47,0x70,0xdc,0x00,0x02,0x03,0x00]
0xff,0x47,0x70,0xdc,0x00,0x02,0x03,0x00
# CHECK: scratch_store_dword off, v2, s3 offset:-2048 ; encoding: [0x00,0x48,0x70,0xdc,0x00,0x02,0x03,0x00]
0x00,0x48,0x70,0xdc,0x00,0x02,0x03,0x00
# CHECK: scratch_store_dword off, v2, s3 offset:-1 glc ; encoding: [0xff,0x4f,0x71,0xdc,0x00,0x02,0x03,0x00]
0xff,0x4f,0x71,0xdc,0x00,0x02,0x03,0x00
# CHECK: scratch_store_dword off, v2, s3 offset:-1 slc ; encoding: [0xff,0x4f,0x72,0xdc,0x00,0x02,0x03,0x00]
0xff,0x4f,0x72,0xdc,0x00,0x02,0x03,0x00
# CHECK: scratch_store_dword off, v2, s3 offset:-1 dlc ; encoding: [0xff,0x5f,0x70,0xdc,0x00,0x02,0x03,0x00]
0xff,0x5f,0x70,0xdc,0x00,0x02,0x03,0x00