diff options
| author | Samuel Pitoiset <[email protected]> | 2016-07-04 13:12:20 +0200 |
|---|---|---|
| committer | Samuel Pitoiset <[email protected]> | 2016-07-05 01:44:08 +0200 |
| commit | cb828b7b18d83cb2ea3dcaed54c1678616c56fc8 (patch) | |
| tree | 552a8f6f837f97f45ef0648b01a25dc0f7d3b88c /src/gallium/drivers/nouveau | |
| parent | ac772b24a18bddc490dae171441795dedd85d7b2 (diff) | |
gm107/ir: fix sign bit emission for FADD32I
When emitting OP_SUB, the sign bit for FADD and FADD32I is not
at the same position. It's at position 45 for FADD but 51 for FADD32I.
This fixes the following piglit test:
tests/spec/arb_fragment_program/fdo30337b.shader_test
Signed-off-by: Samuel Pitoiset <[email protected]>
Reviewed-by: Ilia Mirkin <[email protected]>
Cc: <[email protected]>
Diffstat (limited to 'src/gallium/drivers/nouveau')
| -rw-r--r-- | src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gm107.cpp | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gm107.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gm107.cpp index 2c5e8f69d13..f1ba27a1927 100644 --- a/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gm107.cpp +++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gm107.cpp @@ -1234,6 +1234,9 @@ CodeEmitterGM107::emitFADD() emitABS(0x2e, insn->src(0)); emitNEG(0x2d, insn->src(1)); emitFMZ(0x2c, 1); + + if (insn->op == OP_SUB) + code[1] ^= 0x00002000; } else { emitInsn(0x08000000); emitABS(0x39, insn->src(1)); @@ -1243,10 +1246,10 @@ CodeEmitterGM107::emitFADD() emitNEG(0x35, insn->src(1)); emitCC (0x34); emitIMMD(0x14, 32, insn->src(1)); - } - if (insn->op == OP_SUB) - code[1] ^= 0x00002000; + if (insn->op == OP_SUB) + code[1] ^= 0x00080000; + } emitGPR(0x08, insn->src(0)); emitGPR(0x00, insn->def(0)); |