| i386.c (18335) | i386.c (18349) |
|---|---|
| 1/* Subroutines for insn-output.c for Intel X86. 2 Copyright (C) 1988, 1992, 1994, 1995 Free Software Foundation, Inc. 3 4This file is part of GNU CC. 5 6GNU CC is free software; you can redistribute it and/or modify 7it under the terms of the GNU General Public License as published by 8the Free Software Foundation; either version 2, or (at your option) --- 1446 unchanged lines hidden (view full) --- 1455function_prologue (file, size) 1456 FILE *file; 1457 int size; 1458{ 1459 register int regno; 1460 int limit; 1461 rtx xops[4]; 1462 int pic_reg_used = flag_pic && (current_function_uses_pic_offset_table | 1/* Subroutines for insn-output.c for Intel X86. 2 Copyright (C) 1988, 1992, 1994, 1995 Free Software Foundation, Inc. 3 4This file is part of GNU CC. 5 6GNU CC is free software; you can redistribute it and/or modify 7it under the terms of the GNU General Public License as published by 8the Free Software Foundation; either version 2, or (at your option) --- 1446 unchanged lines hidden (view full) --- 1455function_prologue (file, size) 1456 FILE *file; 1457 int size; 1458{ 1459 register int regno; 1460 int limit; 1461 rtx xops[4]; 1462 int pic_reg_used = flag_pic && (current_function_uses_pic_offset_table |
| 1463 || current_function_uses_const_pool); | 1463 || current_function_uses_const_pool 1464 || profile_flag || profile_block_flag); |
| 1464 1465 xops[0] = stack_pointer_rtx; 1466 xops[1] = frame_pointer_rtx; 1467 xops[2] = GEN_INT (size); 1468 if (frame_pointer_needed) 1469 { 1470 output_asm_insn ("push%L1 %1", xops); 1471 output_asm_insn (AS2 (mov%L0,%0,%1), xops); --- 44 unchanged lines hidden (view full) --- 1516 1517int 1518simple_386_epilogue () 1519{ 1520 int regno; 1521 int nregs = 0; 1522 int reglimit = (frame_pointer_needed 1523 ? FRAME_POINTER_REGNUM : STACK_POINTER_REGNUM); | 1465 1466 xops[0] = stack_pointer_rtx; 1467 xops[1] = frame_pointer_rtx; 1468 xops[2] = GEN_INT (size); 1469 if (frame_pointer_needed) 1470 { 1471 output_asm_insn ("push%L1 %1", xops); 1472 output_asm_insn (AS2 (mov%L0,%0,%1), xops); --- 44 unchanged lines hidden (view full) --- 1517 1518int 1519simple_386_epilogue () 1520{ 1521 int regno; 1522 int nregs = 0; 1523 int reglimit = (frame_pointer_needed 1524 ? FRAME_POINTER_REGNUM : STACK_POINTER_REGNUM); |
| 1524 int pic_reg_used = flag_pic && (current_function_uses_pic_offset_table 1525 || current_function_uses_const_pool); | |
| 1526 | 1525 |
| 1526#ifdef FUNCTION_PROFILER_EPILOGUE 1527 if (profile_flag) 1528 return 0; 1529#endif 1530 1531 if (flag_pic && (current_function_uses_pic_offset_table 1532 || current_function_uses_const_pool 1533 || profile_flag || profile_block_flag)) 1534 return 0; 1535 |
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| 1527#ifdef NON_SAVING_SETJMP 1528 if (NON_SAVING_SETJMP && current_function_calls_setjmp) 1529 return 0; 1530#endif 1531 1532 if (! reload_completed) 1533 return 0; 1534 1535 for (regno = reglimit - 1; regno >= 0; regno--) | 1536#ifdef NON_SAVING_SETJMP 1537 if (NON_SAVING_SETJMP && current_function_calls_setjmp) 1538 return 0; 1539#endif 1540 1541 if (! reload_completed) 1542 return 0; 1543 1544 for (regno = reglimit - 1; regno >= 0; regno--) |
| 1536 if ((regs_ever_live[regno] && ! call_used_regs[regno]) 1537 || (regno == PIC_OFFSET_TABLE_REGNUM && pic_reg_used)) | 1545 if (regs_ever_live[regno] && ! call_used_regs[regno]) |
| 1538 nregs++; 1539 1540 return nregs == 0 || ! frame_pointer_needed; 1541} 1542 1543 1544/* This function generates the assembly code for function exit. 1545 FILE is an stdio stream to output the code to. --- 6 unchanged lines hidden (view full) --- 1552{ 1553 register int regno; 1554 register int nregs, limit; 1555 int offset; 1556 rtx xops[3]; 1557 int pic_reg_used = flag_pic && (current_function_uses_pic_offset_table 1558 || current_function_uses_const_pool); 1559 | 1546 nregs++; 1547 1548 return nregs == 0 || ! frame_pointer_needed; 1549} 1550 1551 1552/* This function generates the assembly code for function exit. 1553 FILE is an stdio stream to output the code to. --- 6 unchanged lines hidden (view full) --- 1560{ 1561 register int regno; 1562 register int nregs, limit; 1563 int offset; 1564 rtx xops[3]; 1565 int pic_reg_used = flag_pic && (current_function_uses_pic_offset_table 1566 || current_function_uses_const_pool); 1567 |
| 1568#ifdef FUNCTION_PROFILER_EPILOGUE 1569 if (profile_flag) 1570 FUNCTION_PROFILER_EPILOGUE (file); 1571#endif 1572 |
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| 1560 /* Compute the number of registers to pop */ 1561 1562 limit = (frame_pointer_needed 1563 ? FRAME_POINTER_REGNUM 1564 : STACK_POINTER_REGNUM); 1565 1566 nregs = 0; 1567 --- 1678 unchanged lines hidden --- | 1573 /* Compute the number of registers to pop */ 1574 1575 limit = (frame_pointer_needed 1576 ? FRAME_POINTER_REGNUM 1577 : STACK_POINTER_REGNUM); 1578 1579 nregs = 0; 1580 --- 1678 unchanged lines hidden --- |