[LoongArch64] Fix the arithmetic shift right in CodeGen::genSaveCalle…

…eSavedRegistersHelp. (#105676) * [LoongArch64] Fix the arithmetic shift right in CodeGen::genSaveCalleeSavedRegistersHelp. * Apply the change to RiscV64.
dotnet · Aug 1, 2024 · 74460dd · 74460dd
1 parent bc9cd27
commit 74460dd
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Showing 2 changed files with 4 additions and 4 deletions.
diff --git a/src/coreclr/jit/codegenloongarch64.cpp b/src/coreclr/jit/codegenloongarch64.cpp
@@ -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)
@@ -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
     {

diff --git a/src/coreclr/jit/codegenriscv64.cpp b/src/coreclr/jit/codegenriscv64.cpp
@@ -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)
@@ -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
     {