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authorChristoph Bumiller <[email protected]>2013-06-30 15:23:15 +0200
committerChristoph Bumiller <[email protected]>2013-09-01 20:51:56 +0200
commit53992060564bd66f167342e0864cee9406147b04 (patch)
tree591e95d951d616a81407fbac9b50737a4ef8eb74
parent7086636358b611a2bb124253e1fe870107e1cecb (diff)
nvc0/ir: add f32 long immediate cannot saturate
Cc: "9.2" <[email protected]>
-rw-r--r--src/gallium/drivers/nvc0/codegen/nv50_ir_target_nvc0.cpp12
1 files changed, 12 insertions, 0 deletions
diff --git a/src/gallium/drivers/nvc0/codegen/nv50_ir_target_nvc0.cpp b/src/gallium/drivers/nvc0/codegen/nv50_ir_target_nvc0.cpp
index 2dd7fd22aa4..4ee1a679c09 100644
--- a/src/gallium/drivers/nvc0/codegen/nv50_ir_target_nvc0.cpp
+++ b/src/gallium/drivers/nvc0/codegen/nv50_ir_target_nvc0.cpp
@@ -337,6 +337,11 @@ TargetNVC0::insnCanLoad(const Instruction *i, int s,
// (except if we implement more constraints)
if (ld->getSrc(0)->asImm()->reg.data.u32 & 0xfff)
return false;
+ } else
+ if (i->op == OP_ADD && i->sType == TYPE_F32) {
+ // add f32 LIMM cannot saturate
+ if (i->saturate && (reg.data.u32 & 0xfff))
+ return false;
}
}
@@ -431,6 +436,13 @@ TargetNVC0::isSatSupported(const Instruction *insn) const
if (insn->dType == TYPE_U32)
return (insn->op == OP_ADD) || (insn->op == OP_MAD);
+ // add f32 LIMM cannot saturate
+ if (insn->op == OP_ADD && insn->sType == TYPE_F32) {
+ if (insn->getSrc(1)->asImm() &&
+ insn->getSrc(1)->reg.data.u32 & 0xfff)
+ return false;
+ }
+
return insn->dType == TYPE_F32;
}