[Mesa-dev] [PATCH 12/12] R600/SI: Add pattern to simplify i64 loading
Christian König
deathsimple at vodafone.de
Thu Feb 14 09:34:25 PST 2013
From: Christian König <christian.koenig at amd.com>
Signed-off-by: Christian König <christian.koenig at amd.com>
---
lib/Target/R600/SIInstrInfo.td | 4 ++++
lib/Target/R600/SIInstructions.td | 5 +++++
2 files changed, 9 insertions(+)
diff --git a/lib/Target/R600/SIInstrInfo.td b/lib/Target/R600/SIInstrInfo.td
index efc6015..8c4e5af 100644
--- a/lib/Target/R600/SIInstrInfo.td
+++ b/lib/Target/R600/SIInstrInfo.td
@@ -40,6 +40,10 @@ def IMM12bit : ImmLeaf <
[{return isUInt<12>(Imm);}]
>;
+class InlineImm <ValueType vt> : ImmLeaf <vt, [{
+ return -16 <= Imm && Imm <= 64;
+}]>;
+
class InstSI <dag outs, dag ins, string asm, list<dag> pattern> :
AMDGPUInst<outs, ins, asm, pattern> {
diff --git a/lib/Target/R600/SIInstructions.td b/lib/Target/R600/SIInstructions.td
index 9838567..7a30d8d 100644
--- a/lib/Target/R600/SIInstructions.td
+++ b/lib/Target/R600/SIInstructions.td
@@ -1290,6 +1290,11 @@ def : Pat <
(S_MOV_B32 fpimm:$imm)
>;
+def : Pat <
+ (i64 InlineImm<i64>:$imm),
+ (S_MOV_B64 InlineImm<i64>:$imm)
+>;
+
// i64 immediates aren't supported in hardware, split it into two 32bit values
def : Pat <
(i64 imm:$imm),
--
1.7.10.4
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