pike.git/ src/ code/ amd64.c

2014-12-04

2014-12-04 19:27:07 by Per Hedbor <ph@opera.com>

• 0e8920ffce1477912c2c558df0e92dbbd78102ee (21 lines) (+6/-15) ^{[ Show | Annotate ]}
  Branch: bill/master_archive_support

Revert "Keep pike_fp->current_storage up to date in pike functions."

This reverts commit 9129e401d0db1703a938794d2d61d73b4b214992.

978:   {    /* Push all registers that the ABI requires to be preserved. */    push(P_REG_RBP); -  /* mov_reg_reg(P_REG_RSP, P_REG_RBP); */ +  mov_reg_reg(P_REG_RSP, P_REG_RBP);    push(P_REG_R15);    push(P_REG_R14);    push(P_REG_R13);
986:    push(P_REG_RBX);    sub_reg_imm(P_REG_RSP, 8); /* Align on 16 bytes. */    mov_reg_reg(ARG1_REG, Pike_interpreter_reg); -  fp_reg = PIKE_FP_REG; -  mov_mem_reg(Pike_interpreter_reg,OFFSETOF(Pike_interpreter_struct,frame_pointer), fp_reg); -  -  mov_mem_reg(fp_reg, OFFSETOF(pike_frame, current_object), ARG1_REG); -  mov_mem_reg(ARG1_REG, OFFSETOF(object,storage), ARG1_REG ); -  /* arg1 = interpreter -> frame_pointer -> current_object -> storage */ -  mov_mem_reg( fp_reg, OFFSETOF(pike_frame, context), P_REG_RAX); -  add_reg_mem( ARG1_REG, P_REG_RAX, OFFSETOF(inherit,storage_offset) ); -  /* arg1 += pike_frame->context->storage_offset */ -  mov_reg_mem( ARG1_REG, fp_reg, OFFSETOF(pike_frame, current_storage)); -  +     amd64_flush_code_generator_state();   }      void amd64_flush_code_generator_state(void)   {    sp_reg = -1; -  /* fp_reg = -1; */ +  fp_reg = -1;    ret_for_func = 0;    mark_sp_reg = -1;    dirty_regs = 0;
1158:   static void amd64_get_storage( enum amd64_reg reg, ptrdiff_t offset )   {    amd64_load_fp_reg(); - #if 1 -  mov_mem_reg( fp_reg, OFFSETOF(pike_frame,current_storage), reg ); + #if 0 +  /* Note: We really should keep pike_frame->current_storage up to date instead.. */ +  mov_mem_reg( fp_reg, OFFSETOF(pike_frame,current_storage), P_REG_RAX );    add_reg_imm( reg, offset );   #else    /* fp->current_object->storage */