[PATCH] D30126: AMDGPU: Fix disassembly of aperture registers

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
Herald added subscribers: tpr, tony-tye, yaxunl, nhaehnle, wdng, kzhuravl.

https://reviews.llvm.org/D30126

Files:
  lib/Target/AMDGPU/Disassembler/AMDGPUDisassembler.cpp
  test/MC/Disassembler/AMDGPU/aperture-regs.ll


Index: test/MC/Disassembler/AMDGPU/aperture-regs.ll
===================================================================
--- /dev/null
+++ test/MC/Disassembler/AMDGPU/aperture-regs.ll
@@ -0,0 +1,13 @@
+# RUN: llvm-mc -arch=amdgcn -mcpu=gfx900 -disassemble -show-encoding < %s | FileCheck -check-prefix=GFX9 %s
+
+# GFX9: v_mov_b32_e32 v1, src_shared_base ; encoding: [0xeb,0x02,0x02,0x7e]
+0xeb 0x02 0x02 0x7e
+
+# GFX9: v_mov_b32_e32 v1, src_shared_limit ; encoding: [0xec,0x02,0x02,0x7e]
+0xec 0x02 0x02 0x7e
+
+# GFX9: v_mov_b32_e32 v1, src_private_base ; encoding: [0xed,0x02,0x02,0x7e]
+0xed 0x02 0x02 0x7e
+
+# GFX9: v_mov_b32_e32 v1, src_private_limit ; encoding: [0xee,0x02,0x02,0x7e]
+0xee 0x02 0x02 0x7e
Index: lib/Target/AMDGPU/Disassembler/AMDGPUDisassembler.cpp
===================================================================
--- lib/Target/AMDGPU/Disassembler/AMDGPUDisassembler.cpp
+++ lib/Target/AMDGPU/Disassembler/AMDGPUDisassembler.cpp
@@ -523,6 +523,11 @@
   case 124: return createRegOperand(M0);
   case 126: return createRegOperand(EXEC_LO);
   case 127: return createRegOperand(EXEC_HI);
+  case 235: return createRegOperand(SRC_SHARED_BASE);
+  case 236: return createRegOperand(SRC_SHARED_LIMIT);
+  case 237: return createRegOperand(SRC_PRIVATE_BASE);
+  case 238: return createRegOperand(SRC_PRIVATE_LIMIT);
+    // TODO: SRC_POPS_EXITING_WAVE_ID
     // ToDo: no support for vccz register
   case 251: break;
     // ToDo: no support for execz register


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