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[LoongArch64] Fix the arithmetic shift right in CodeGen::genSaveCalleeSavedRegistersHelp. #105676

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merged 2 commits into from
Aug 1, 2024
Merged

[LoongArch64] Fix the arithmetic shift right in CodeGen::genSaveCalleeSavedRegistersHelp. #105676

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1c35f14
[LoongArch64] Fix the arithmetic shift right in CodeGen::genSaveCalle…
sunlijun-610 Jul 30, 2024
10675ca
Apply the change to RiscV64.
sunlijun-610 Jul 30, 2024
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4 changes: 2 additions & 2 deletions src/coreclr/jit/codegenloongarch64.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -220,7 +220,7 @@ void CodeGen::genSaveCalleeSavedRegistersHelp(regMaskTP regsToSaveMask, int lowe
emitter* emit = GetEmitter();
int regNum = FIRST_INT_CALLEE_SAVED;
regMaskTP regsMask = regsToSaveMask & RBM_INT_CALLEE_SAVED;
int64_t maskSaveRegs = (int64_t)regsMask.getLow() >> FIRST_INT_CALLEE_SAVED;
uint64_t maskSaveRegs = (uint64_t)regsMask.getLow() >> FIRST_INT_CALLEE_SAVED;
do
{
if (maskSaveRegs & 1)
Expand All @@ -234,7 +234,7 @@ void CodeGen::genSaveCalleeSavedRegistersHelp(regMaskTP regsToSaveMask, int lowe
} while (maskSaveRegs != 0);

regsMask = regsToSaveMask & RBM_FLT_CALLEE_SAVED;
maskSaveRegs = (int64_t)regsMask.getLow() >> FIRST_FLT_CALLEE_SAVED;
maskSaveRegs = (uint64_t)regsMask.getLow() >> FIRST_FLT_CALLEE_SAVED;
regNum = FIRST_FLT_CALLEE_SAVED;
do
{
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4 changes: 2 additions & 2 deletions src/coreclr/jit/codegenriscv64.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -211,7 +211,7 @@ void CodeGen::genSaveCalleeSavedRegistersHelp(regMaskTP regsToSaveMask, int lowe
emitter* emit = GetEmitter();
int regNum = FIRST_INT_CALLEE_SAVED;
regMaskTP regsMask = regsToSaveMask & RBM_INT_CALLEE_SAVED;
int64_t maskSaveRegs = (int64_t)regsMask.getLow() >> FIRST_INT_CALLEE_SAVED;
uint64_t maskSaveRegs = (uint64_t)regsMask.getLow() >> FIRST_INT_CALLEE_SAVED;
do
{
if (maskSaveRegs & 1)
Expand All @@ -225,7 +225,7 @@ void CodeGen::genSaveCalleeSavedRegistersHelp(regMaskTP regsToSaveMask, int lowe
} while (maskSaveRegs != 0);

regsMask = regsToSaveMask & RBM_FLT_CALLEE_SAVED;
maskSaveRegs = (int64_t)regsMask.getLow() >> FIRST_FLT_CALLEE_SAVED;
maskSaveRegs = (uint64_t)regsMask.getLow() >> FIRST_FLT_CALLEE_SAVED;
regNum = FIRST_FLT_CALLEE_SAVED;
do
{
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