Mercurial > jdk8-mips64-public > hotspot / file diff

     1.1 --- a/src/cpu/mips/vm/macroAssembler_mips.cpp	Tue Jul 17 21:04:17 2018 +0800
     1.2 +++ b/src/cpu/mips/vm/macroAssembler_mips.cpp	Thu Jul 19 14:03:08 2018 +0800
     1.3 @@ -3178,11 +3178,13 @@
     1.4  
     1.5  #ifdef _LP64
     1.6  Register caller_saved_registers[] = {AT, V0, V1, A0, A1, A2, A3, A4, A5, A6, A7, T0, T1, T2, T3, T8, T9, GP, RA, FP};
     1.7 +Register caller_saved_registers_except_v0[] = {AT, V1, A0, A1, A2, A3, A4, A5, A6, A7, T0, T1, T2, T3, T8, T9, GP, RA, FP};
     1.8  
     1.9  /* FIXME: Jin: In MIPS64, F0~23 are all caller-saved registers */
    1.10  FloatRegister caller_saved_fpu_registers[] = {F0, F12, F13};
    1.11  #else
    1.12  Register caller_saved_registers[] = {AT, V0, V1, A0, A1, A2, A3, T4, T5, T6, T7, T0, T1, T2, T3, T8, T9, GP, RA, FP};
    1.13 +Register caller_saved_registers_except_v0[] = {AT, V1, A0, A1, A2, A3, T4, T5, T6, T7, T0, T1, T2, T3, T8, T9, GP, RA, FP};
    1.14  
    1.15  Register caller_saved_fpu_registers[] = {};
    1.16  #endif
    1.17 @@ -3244,6 +3246,59 @@
    1.18    daddi(SP, SP, len * wordSize);
    1.19  };
    1.20  
    1.21 +// We preserve all caller-saved register except V0
    1.22 +void MacroAssembler::pushad_except_v0() {
    1.23 +  int i;
    1.24 +
    1.25 +  /* Fixed-point registers */
    1.26 +  int len = sizeof(caller_saved_registers_except_v0) / sizeof(caller_saved_registers_except_v0[0]);
    1.27 +  daddi(SP, SP, -1 * len * wordSize);
    1.28 +  for (i = 0; i < len; i++) {
    1.29 +#ifdef _LP64
    1.30 +    sd(caller_saved_registers_except_v0[i], SP, (len - i - 1) * wordSize);
    1.31 +#else
    1.32 +    sw(caller_saved_registers_except_v0[i], SP, (len - i - 1) * wordSize);
    1.33 +#endif
    1.34 +  }
    1.35 +
    1.36 +  /* Floating-point registers */
    1.37 +  len = sizeof(caller_saved_fpu_registers) / sizeof(caller_saved_fpu_registers[0]);
    1.38 +  daddi(SP, SP, -1 * len * wordSize);
    1.39 +  for (i = 0; i < len; i++) {
    1.40 +#ifdef _LP64
    1.41 +    sdc1(caller_saved_fpu_registers[i], SP, (len - i - 1) * wordSize);
    1.42 +#else
    1.43 +    swc1(caller_saved_fpu_registers[i], SP, (len - i - 1) * wordSize);
    1.44 +#endif
    1.45 +  }
    1.46 +}
    1.47 +
    1.48 +void MacroAssembler::popad_except_v0() {
    1.49 +  int i;
    1.50 +
    1.51 +  /* Floating-point registers */
    1.52 +  int len = sizeof(caller_saved_fpu_registers) / sizeof(caller_saved_fpu_registers[0]);
    1.53 +  for (i = 0; i < len; i++) {
    1.54 +#ifdef _LP64
    1.55 +    ldc1(caller_saved_fpu_registers[i], SP, (len - i - 1) * wordSize);
    1.56 +#else
    1.57 +    lwc1(caller_saved_fpu_registers[i], SP, (len - i - 1) * wordSize);
    1.58 +#endif
    1.59 +  }
    1.60 +  daddi(SP, SP, len * wordSize);
    1.61 +
    1.62 +  /* Fixed-point registers */
    1.63 +  len = sizeof(caller_saved_registers_except_v0) / sizeof(caller_saved_registers_except_v0[0]);
    1.64 +  for (i = 0; i < len; i++) {
    1.65 +#ifdef _LP64
    1.66 +    ld(caller_saved_registers_except_v0[i], SP, (len - i - 1) * wordSize);
    1.67 +#else
    1.68 +    lw(caller_saved_registers_except_v0[i], SP, (len - i - 1) * wordSize);
    1.69 +#endif
    1.70 +  }
    1.71 +  daddi(SP, SP, len * wordSize);
    1.72 +}
    1.73 +
    1.74  void MacroAssembler::push2(Register reg1, Register reg2) {
    1.75  #ifdef _LP64
    1.76    daddi(SP, SP, -16);