summaryrefslogtreecommitdiffstats
path: root/llvm/lib/Target/AMDGPU
diff options
context:
space:
mode:
authorChangpeng Fang <changpeng.fang@gmail.com>2016-03-10 16:47:15 +0000
committerChangpeng Fang <changpeng.fang@gmail.com>2016-03-10 16:47:15 +0000
commit278a5b31a5a5524eaafced3f72e009d59277752f (patch)
tree39ddd8bf4aa7d2372e1253d2cd9b57f3712c9640 /llvm/lib/Target/AMDGPU
parent1632fe1f77b114799d2aa00ff2c097d9be47708a (diff)
downloadbcm5719-llvm-278a5b31a5a5524eaafced3f72e009d59277752f.tar.gz
bcm5719-llvm-278a5b31a5a5524eaafced3f72e009d59277752f.zip
AMDGPU/SI: Define S_GETREG Intrinsic
Summary: Define s_getreg intrinsic to generate s_getreg instruction to read hardware registers. Reviewers: tstellarAMD, arsenm Subscribers: llvm-commits, arsenm Differential Revision: http://reviews.llvm.org/D17892 llvm-svn: 263124
Diffstat (limited to 'llvm/lib/Target/AMDGPU')
-rw-r--r--llvm/lib/Target/AMDGPU/SIInstructions.td12
1 files changed, 12 insertions, 0 deletions
diff --git a/llvm/lib/Target/AMDGPU/SIInstructions.td b/llvm/lib/Target/AMDGPU/SIInstructions.td
index 7602498c274..edc60925a3e 100644
--- a/llvm/lib/Target/AMDGPU/SIInstructions.td
+++ b/llvm/lib/Target/AMDGPU/SIInstructions.td
@@ -416,7 +416,11 @@ defm S_CBRANCH_I_FORK : SOPK_m <
sopk<0x11, 0x10>, "s_cbranch_i_fork", (outs),
(ins SReg_64:$sdst, u16imm:$simm16), " $sdst, $simm16"
>;
+
+let mayLoad = 1 in {
defm S_GETREG_B32 : SOPK_32 <sopk<0x12, 0x11>, "s_getreg_b32", []>;
+}
+
defm S_SETREG_B32 : SOPK_m <
sopk<0x13, 0x12>, "s_setreg_b32", (outs),
(ins SReg_32:$sdst, u16imm:$simm16), " $sdst, $simm16"
@@ -2090,6 +2094,14 @@ def : Pat <
>;
//===----------------------------------------------------------------------===//
+// S_GETREG_B32 Intrinsic Pattern.
+//===----------------------------------------------------------------------===//
+def : Pat <
+ (int_amdgcn_s_getreg imm:$simm16),
+ (S_GETREG_B32 (as_i16imm $simm16))
+>;
+
+//===----------------------------------------------------------------------===//
// SMRD Patterns
//===----------------------------------------------------------------------===//
OpenPOWER on IntegriCloud