6230 if (PreserveFramePointer) {
6231 mov(rbp, rsp);
6232 }
6233 // Remove word for ebp
6234 framesize -= wordSize;
6235
6236 // Create frame
6237 if (framesize) {
6238 subptr(rsp, framesize);
6239 }
6240 } else {
6241 // Create frame (force generation of a 4 byte immediate value)
6242 subptr_imm32(rsp, framesize);
6243
6244 // Save RBP register now.
6245 framesize -= wordSize;
6246 movptr(Address(rsp, framesize), rbp);
6247 // Save caller's stack pointer into RBP if the frame pointer is preserved.
6248 if (PreserveFramePointer) {
6249 movptr(rbp, rsp);
6250 addptr(rbp, framesize + wordSize);
6251 }
6252 }
6253
6254 if (VerifyStackAtCalls) { // Majik cookie to verify stack depth
6255 framesize -= wordSize;
6256 movptr(Address(rsp, framesize), (int32_t)0xbadb100d);
6257 }
6258
6259 #ifndef _LP64
6260 // If method sets FPU control word do it now
6261 if (fp_mode_24b) {
6262 fldcw(ExternalAddress(StubRoutines::addr_fpu_cntrl_wrd_24()));
6263 }
6264 if (UseSSE >= 2 && VerifyFPU) {
6265 verify_FPU(0, "FPU stack must be clean on entry");
6266 }
6267 #endif
6268
6269 #ifdef ASSERT
6270 if (VerifyStackAtCalls) {
|
6230 if (PreserveFramePointer) {
6231 mov(rbp, rsp);
6232 }
6233 // Remove word for ebp
6234 framesize -= wordSize;
6235
6236 // Create frame
6237 if (framesize) {
6238 subptr(rsp, framesize);
6239 }
6240 } else {
6241 // Create frame (force generation of a 4 byte immediate value)
6242 subptr_imm32(rsp, framesize);
6243
6244 // Save RBP register now.
6245 framesize -= wordSize;
6246 movptr(Address(rsp, framesize), rbp);
6247 // Save caller's stack pointer into RBP if the frame pointer is preserved.
6248 if (PreserveFramePointer) {
6249 movptr(rbp, rsp);
6250 }
6251 }
6252
6253 if (VerifyStackAtCalls) { // Majik cookie to verify stack depth
6254 framesize -= wordSize;
6255 movptr(Address(rsp, framesize), (int32_t)0xbadb100d);
6256 }
6257
6258 #ifndef _LP64
6259 // If method sets FPU control word do it now
6260 if (fp_mode_24b) {
6261 fldcw(ExternalAddress(StubRoutines::addr_fpu_cntrl_wrd_24()));
6262 }
6263 if (UseSSE >= 2 && VerifyFPU) {
6264 verify_FPU(0, "FPU stack must be clean on entry");
6265 }
6266 #endif
6267
6268 #ifdef ASSERT
6269 if (VerifyStackAtCalls) {
|