diff options
| author | Christoph Bumiller <christoph.bumiller@speed.at> | 2013-06-30 15:23:15 +0200 |
|---|---|---|
| committer | Carl Worth <cworth@cworth.org> | 2013-09-27 15:26:27 -0700 |
| commit | 50ffa8bac573691c8a1e018ed2a04e8aa3b2af5f (patch) | |
| tree | db15ac7284398485861ebe882caa1008e62c2673 | |
| parent | 0547f281341cb3377868f90e7cb70487a0dfa690 (diff) | |
nvc0/ir: add f32 long immediate cannot saturate
Cc: "9.2" <mesa-stable@lists.freedesktop.org>
(cherry picked from commit 53992060564bd66f167342e0864cee9406147b04)
| -rw-r--r-- | src/gallium/drivers/nvc0/codegen/nv50_ir_target_nvc0.cpp | 12 |
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; } |