From: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Date: Thu, 16 Jan 2020 13:04:49 +0000 (+0100)
Subject: aco: fix constant folding of SMRD instructions on GFX6
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b8abfafe8690847dc09bb63a5674dc2e2228a56a;p=mesa.git

aco: fix constant folding of SMRD instructions on GFX6

SMRD instructions have an 8-bit dword offset on SI.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-By: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3432>
---

diff --git a/src/amd/compiler/aco_optimizer.cpp b/src/amd/compiler/aco_optimizer.cpp
index 8c2514598f0..7e05204d3b5 100644
--- a/src/amd/compiler/aco_optimizer.cpp
+++ b/src/amd/compiler/aco_optimizer.cpp
@@ -817,7 +817,9 @@ void label_instruction(opt_ctx &ctx, Block& block, aco_ptr<Instruction>& instr)
          Temp base;
          uint32_t offset;
          if (i == 1 && info.is_constant_or_literal() &&
-             (ctx.program->chip_class < GFX8 || info.val <= 0xFFFFF)) {
+             ((ctx.program->chip_class == GFX6 && info.val <= 0x3FF) ||
+              (ctx.program->chip_class == GFX7 && info.val <= 0xFFFFFFFF) ||
+              (ctx.program->chip_class >= GFX8 && info.val <= 0xFFFFF))) {
             instr->operands[i] = Operand(info.val);
             continue;
          } else if (i == 1 && parse_base_offset(ctx, instr.get(), i, &base, &offset) && base.regClass() == s1 && offset <= 0xFFFFF && ctx.program->chip_class >= GFX9) {