revert the OSR offset's changing which will be pushed by a new PR.

Author: shushanhf

src/coreclr/jit/codegencommon.cpp

@@ -4086,7 +4086,7 @@ void CodeGen::genEnregisterOSRArgsAndLocals()
 
         GetEmitter()->emitIns_R_AR(ins_Load(lclTyp), size, varDsc->GetRegNum(), genFramePointerReg(), offset);
 
-#elif defined(TARGET_ARM64)
+#elif defined(TARGET_ARM64) || defined(TARGET_LOONGARCH64) || defined(TARGET_RISCV64)
 
         // Patchpoint offset is from top of Tier0 frame
         //
@@ -4118,37 +4118,7 @@ void CodeGen::genEnregisterOSRArgsAndLocals()
 
         genInstrWithConstant(ins_Load(lclTyp), size, varDsc->GetRegNum(), genFramePointerReg(), offset, initReg);
         *pInitRegZeroed = false;
-#elif defined(TARGET_LOONGARCH64) || defined(TARGET_RISCV64)
-
-        // Patchpoint offset is from top of Tier0 frame
-        //
-        // We need to determine the frame-pointer relative
-        // offset for this variable in the osr frame.
-        //
-        // First there is no need to ajust stkOffs
-        // as it relative to sp within Tier0 frame
-
-        // then add the OSR frame size
-        //
-        const int osrFrameSize = genTotalFrameSize();
-
-        // then subtract OSR SP-FP delta
-        //
-        const int osrSpToFpDelta = genSPtoFPdelta();
-
-        //                 | => tier0 top of frame relative
-        //                 |         + => osr bottom of frame (sp) relative
-        //                 |         |              - => osr fp relative
-        //                 |         |              |
-        const int offset = stkOffs + osrFrameSize - osrSpToFpDelta;
-
-        JITDUMP("---OSR--- V%02u (reg) Tier0 virtual offset %d OSR frame size %d OSR sp-fp "
-                "delta %d total offset %d (0x%x)\n",
-                varNum, stkOffs, osrFrameSize, osrSpToFpDelta, offset, offset);
-
-        genInstrWithConstant(ins_Load(lclTyp), size, varDsc->GetRegNum(), genFramePointerReg(), offset, initReg);
-        *pInitRegZeroed = false;
-#endif // TARGET_LOONGARCH64 || TARGET_RISCV64
+#endif // TARGET_ARM64 || TARGET_LOONGARCH64 || TARGET_RISCV64
     }
 }
 

src/coreclr/jit/codegenloongarch64.cpp

@@ -691,7 +691,7 @@ void CodeGen::genRestoreCalleeSavedRegistersHelp(regMaskTP regsToRestoreMask, in
  *      |-----------------------|
  *      |        PSP slot       | // 8 bytes (omitted in NativeAOT ABI)
  *      |-----------------------|
- *      |Callee saved registers | // multiple of 8 bytes, not includting FP/RA
+ *      |Callee saved registers | // multiple of 8 bytes, not including FP/RA
  *      |-----------------------|
  *      |      Saved FP, RA     | // 16 bytes
  *      |-----------------------|

src/coreclr/jit/codegenriscv64.cpp

@@ -787,7 +787,7 @@ void CodeGen::genRestoreCalleeSavedRegistersHelp(regMaskTP regsToRestoreMask, in
  *      |-----------------------|
  *      ~  alignment padding    ~ // To make the whole frame 16 byte aligned
  *      |-----------------------|
- *      |Callee saved registers | // multiple of 8 bytes, not includting FP/RA
+ *      |Callee saved registers | // multiple of 8 bytes, not including FP/RA
  *      |-----------------------|
  *      |      Saved FP, RA     | // 16 bytes
  *      |-----------------------|

src/coreclr/jit/compiler.cpp

@@ -5834,18 +5834,12 @@ void Compiler::generatePatchpointInfo()
     //
     const int totalFrameSize = codeGen->genTotalFrameSize() + TARGET_POINTER_SIZE;
     const int offsetAdjust   = 0;
-#elif defined(TARGET_ARM64)
+#elif defined(TARGET_ARM64) || defined(TARGET_LOONGARCH64) || defined(TARGET_RISCV64)
     // SP is not manipulated by calls so no frame size adjustment needed.
     // Local Offsets may need adjusting, if FP is at bottom of frame.
     //
     const int totalFrameSize = codeGen->genTotalFrameSize();
     const int offsetAdjust   = codeGen->genSPtoFPdelta() - totalFrameSize;
-#elif defined(TARGET_LOONGARCH64) || defined(TARGET_RISCV64)
-    // SP is not manipulated by calls so no frame size adjustment needed.
-    // Local Offsets are adjusted which relative to SP.
-    //
-    const int totalFrameSize = codeGen->genTotalFrameSize();
-    const int offsetAdjust   = codeGen->genSPtoFPdelta();
 #else
     NYI("patchpoint info generation");
     const int offsetAdjust   = 0;

src/coreclr/jit/lclvars.cpp

@@ -6571,7 +6571,9 @@ void Compiler::lvaAssignVirtualFrameOffsetsToLocals()
     //
     if (opts.IsOSR())
     {
-#if !defined(TARGET_LOONGARCH64) && !defined(TARGET_RISCV64)
+#if defined(TARGET_LOONGARCH64) || defined(TARGET_RISCV64)
+        originalFrameStkOffs = info.compPatchpointInfo->TotalFrameSize();
+#else
         originalFrameSize    = info.compPatchpointInfo->TotalFrameSize();
         originalFrameStkOffs = stkOffs;
         stkOffs -= originalFrameSize;