aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorChristian Konig <christian.koenig@amd.com>2013-02-16 11:28:36 +0000
committerChristian Konig <christian.koenig@amd.com>2013-02-16 11:28:36 +0000
commitecc571f063eb0d6a49033fbe85ffbf0db6114f59 (patch)
tree27741abf68fd21506915fd7070b7245621425d06
parente9ba1830df2efef3da113a740909195e839ebd36 (diff)
downloadexternal_llvm-ecc571f063eb0d6a49033fbe85ffbf0db6114f59.zip
external_llvm-ecc571f063eb0d6a49033fbe85ffbf0db6114f59.tar.gz
external_llvm-ecc571f063eb0d6a49033fbe85ffbf0db6114f59.tar.bz2
R600/SI: Add pattern to simplify i64 loading
This is a candidate for the stable branch. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Tom Stellard <thomas.stellard@amd.com> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175356 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--lib/Target/R600/SIInstrInfo.td4
-rw-r--r--lib/Target/R600/SIInstructions.td5
2 files changed, 9 insertions, 0 deletions
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 7a83303..9372993 100644
--- a/lib/Target/R600/SIInstructions.td
+++ b/lib/Target/R600/SIInstructions.td
@@ -1292,6 +1292,11 @@ 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),