gm107/ir: add missing NEG modifier for IADD32I

[mesa.git] / src / gallium / drivers / nouveau / codegen / nv50_ir_emit_gm107.cpp

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 2c5e8f69d1347a63a4cd637951661650c9b3f626..5ae189873ad365ede9ee935e341d1578374a93fd 100644 (file)
--- 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));
@@ -1704,6 +1707,7 @@ CodeEmitterGM107::emitIADD()
       emitX  (0x2b);
    } else {
       emitInsn(0x1c000000);
+      emitNEG (0x38, insn->src(0));
       emitSAT (0x36);
       emitX   (0x35);
       emitCC  (0x34);