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eliminate GetInt1/2

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97426 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-02-28 22:38:43 +00:00
parent 2a49d57d2d
commit 14df8dc680
1 changed files with 3 additions and 16 deletions
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19
lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
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@ -1479,20 +1479,6 @@ static bool IsChainCompatible(SDNode *Chain, SDNode *Op) {
}
// These functions are marked always inline so that Idx doesn't get pinned to
// the stack.
ALWAYS_INLINE static int8_t
GetInt1(const unsigned char *MatcherTable, unsigned &Idx) {
return MatcherTable[Idx++];
}
ALWAYS_INLINE static int16_t
GetInt2(const unsigned char *MatcherTable, unsigned &Idx) {
int16_t Val = (uint8_t)GetInt1(MatcherTable, Idx);
Val |= int16_t(GetInt1(MatcherTable, Idx)) << 8;
return Val;
}
/// GetVBR - decode a vbr encoding whose top bit is set.
ALWAYS_INLINE static uint64_t
GetVBR(uint64_t Val, const unsigned char *MatcherTable, unsigned &Idx) {
@ -1502,7 +1488,7 @@ GetVBR(uint64_t Val, const unsigned char *MatcherTable, unsigned &Idx) {
unsigned Shift = 7;
uint64_t NextBits;
do {
NextBits = GetInt1(MatcherTable, Idx);
NextBits = MatcherTable[Idx++];
Val |= (NextBits&127) << Shift;
Shift += 7;
} while (NextBits & 128);
@ -2035,7 +2021,8 @@ SelectCodeCommon(SDNode *NodeToMatch, const unsigned char *MatcherTable,
case OPC_EmitNode:
case OPC_MorphNodeTo: {
uint16_t TargetOpc = GetInt2(MatcherTable, MatcherIndex);
uint16_t TargetOpc = MatcherTable[MatcherIndex++];
TargetOpc |= (unsigned short)MatcherTable[MatcherIndex++] << 8;
unsigned EmitNodeInfo = MatcherTable[MatcherIndex++];
// Get the result VT list.
unsigned NumVTs = MatcherTable[MatcherIndex++];