aco/gfx10: Add notes about some GFX10 hazards.

[mesa.git] / src / amd / compiler / aco_assembler.cpp

diff --git a/src/amd/compiler/aco_assembler.cpp b/src/amd/compiler/aco_assembler.cpp
index ea7295816db9249bd71648ac34d5d05fedea01e2..08debb25ad6b2851ac6f5cb7de5d5b0606467595 100644 (file)
--- a/src/amd/compiler/aco_assembler.cpp
+++ b/src/amd/compiler/aco_assembler.cpp
@@ -399,8 +399,10 @@ void emit_instruction(asm_context& ctx, std::vector<uint32_t>& out, Instruction*
          assert(flat->offset <= 0x1fff);
          encoding |= flat->offset & 0x1fff;
       } else {
-         assert(flat->offset <= 0x0fff);
-         encoding |= flat->offset & 0x0fff;
+         /* GFX10 has a 12-bit immediate OFFSET field,
+          * but it has a hw bug: it ignores the offset, called FlatSegmentOffsetBug
+          */
+         assert(flat->offset == 0);
       }
       if (instr->format == Format::SCRATCH)
          encoding |= 1 << 14;