6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-11-02 07:17:36 +00:00
Code Issues Projects Releases Wiki Activity

R600/SI: Remove explicit m0 operand from DS instructions

Browse Source 
Instead add m0 as an implicit operand.  This helps avoid spills
of the m0 register in some cases.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237141 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Tom Stellard
2015-05-12 15:00:49 +00:00
parent a89c1839c7
commit 6ecd744594
8 changed files with 259 additions and 118 deletions
Download Patch File Download Diff File Expand all files Collapse all files

37
lib/Target/R600/AMDGPUInstructions.td
View File

@@ -183,12 +183,15 @@ def constant_load : PatFrag<(ops node:$ptr), (load node:$ptr), [{
return isConstantLoad(dyn_cast<LoadSDNode>(N), -1);
}]>;
def az_extload : PatFrag<(ops node:$ptr), (unindexedload node:$ptr), [{
class AZExtLoadBase <SDPatternOperator ld_node>: PatFrag<(ops node:$ptr),
(ld_node node:$ptr), [{
LoadSDNode *L = cast<LoadSDNode>(N);
return L->getExtensionType() == ISD::ZEXTLOAD ||
L->getExtensionType() == ISD::EXTLOAD;
}]>;
def az_extload : AZExtLoadBase <unindexedload>;
def az_extloadi8 : PatFrag<(ops node:$ptr), (az_extload node:$ptr), [{
return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i8;
}]>;
@@ -361,22 +364,26 @@ def mskor_global : PatFrag<(ops node:$val, node:$ptr),
return cast<MemSDNode>(N)->getAddressSpace() == AMDGPUAS::GLOBAL_ADDRESS;
}]>;
multiclass AtomicCmpSwapLocal <SDNode cmp_swap_node> {
def atomic_cmp_swap_32_local :
PatFrag<(ops node:$ptr, node:$cmp, node:$swap),
(atomic_cmp_swap node:$ptr, node:$cmp, node:$swap), [{
AtomicSDNode *AN = cast<AtomicSDNode>(N);
return AN->getMemoryVT() == MVT::i32 &&
AN->getAddressSpace() == AMDGPUAS::LOCAL_ADDRESS;
}]>;
def _32_local : PatFrag <
(ops node:$ptr, node:$cmp, node:$swap),
(cmp_swap_node node:$ptr, node:$cmp, node:$swap), [{
AtomicSDNode *AN = cast<AtomicSDNode>(N);
return AN->getMemoryVT() == MVT::i32 &&
AN->getAddressSpace() == AMDGPUAS::LOCAL_ADDRESS;
}]>;
def atomic_cmp_swap_64_local :
PatFrag<(ops node:$ptr, node:$cmp, node:$swap),
(atomic_cmp_swap node:$ptr, node:$cmp, node:$swap), [{
AtomicSDNode *AN = cast<AtomicSDNode>(N);
return AN->getMemoryVT() == MVT::i64 &&
AN->getAddressSpace() == AMDGPUAS::LOCAL_ADDRESS;
}]>;
def _64_local : PatFrag<
(ops node:$ptr, node:$cmp, node:$swap),
(cmp_swap_node node:$ptr, node:$cmp, node:$swap), [{
AtomicSDNode *AN = cast<AtomicSDNode>(N);
return AN->getMemoryVT() == MVT::i64 &&
AN->getAddressSpace() == AMDGPUAS::LOCAL_ADDRESS;
}]>;
}
defm atomic_cmp_swap : AtomicCmpSwapLocal <atomic_cmp_swap>;
def flat_load : PatFrag<(ops node:$ptr), (load node:$ptr), [{
return isFlatLoad(dyn_cast<LoadSDNode>(N));