config.gcc: Don't include mips/abi64.h in $tm_file.
* config.gcc: Don't include mips/abi64.h in $tm_file. * hard-reg-set.h (call_really_used_regs): Declare. * config/mips/abi64.h: Remove file. * config/mips/linux.h, * config/mips/iris6.h: Don't include it. * config/mips/mips-protos.h (mips_conditional_register_usage): Declare. * config/mips/mips.h (CONDITIONAL_REGISTER_USAGE): Use it. (REG_PARM_STACK_SPACE, STACK_BOUNDARY, STRICT_ARGUMENT_NAMING, FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_PADDING, FUNCTION_ARG_CALLEE_COPIES, MUST_PASS_IN_STACK, MIPS_STACK_ALIGN): Bring across definitions from abi64.h. (GP_ARG_LAST, FP_ARG_LAST): Use MAX_ARGS_IN_REGISTERS. (BIGGEST_MAX_ARGS_IN_REGISTERS): New. (struct mips_args): Use it. * config/mips/mips.c (mips_conditional_register_usage): Define. From-SVN: r55986
This commit is contained in:
Richard Sandiford
Richard Sandiford
parent
2b1a407046
commit
ac8ab9fe50
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@ -1,3 +1,21 @@
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2002-08-02 Richard Sandiford <rsandifo@redhat.com>
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* config.gcc: Don't include mips/abi64.h in $tm_file.
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* hard-reg-set.h (call_really_used_regs): Declare.
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* config/mips/abi64.h: Remove file.
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* config/mips/linux.h,
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* config/mips/iris6.h: Don't include it.
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* config/mips/mips-protos.h (mips_conditional_register_usage): Declare.
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* config/mips/mips.h (CONDITIONAL_REGISTER_USAGE): Use it.
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(REG_PARM_STACK_SPACE, STACK_BOUNDARY, STRICT_ARGUMENT_NAMING,
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FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_PADDING,
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FUNCTION_ARG_CALLEE_COPIES, MUST_PASS_IN_STACK, MIPS_STACK_ALIGN):
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Bring across definitions from abi64.h.
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(GP_ARG_LAST, FP_ARG_LAST): Use MAX_ARGS_IN_REGISTERS.
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(BIGGEST_MAX_ARGS_IN_REGISTERS): New.
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(struct mips_args): Use it.
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* config/mips/mips.c (mips_conditional_register_usage): Define.
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2002-08-02 Jason Merrill <jason@redhat.com>
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* langhooks-def.h (LANG_HOOKS_EXPR_SIZE): New macro.
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@ -1895,18 +1895,18 @@ mips-*-ecoff* | mipsel-*-ecoff*)
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tmake_file=mips/t-ecoff
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;;
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mipsisa32-*-elf* | mipsisa32el-*-elf*)
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tm_file="${tm_file} mips/elf.h mips/abi64.h"
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tm_file="${tm_file} mips/elf.h"
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tmake_file=mips/t-isa3264
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tm_defines="MIPS_ISA_DEFAULT=32 MIPS_ABI_DEFAULT=ABI_MEABI"
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;;
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mipsisa64-*-elf* | mipsisa64el-*-elf*)
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tm_file="${tm_file} mips/elf.h mips/abi64.h"
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tm_file="${tm_file} mips/elf.h"
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tmake_file=mips/t-isa3264
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target_cpu_default="MASK_64BIT|MASK_FLOAT64|MASK_GAS"
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tm_defines="MIPS_ISA_DEFAULT=64 MIPS_ABI_DEFAULT=ABI_MEABI"
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;;
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mipsisa64sb1-*-elf* | mipsisa64sb1el-*-elf*)
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tm_file="${tm_file} mips/elf.h mips/abi64.h"
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tm_file="${tm_file} mips/elf.h"
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tmake_file=mips/t-elf
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target_cpu_default="MASK_64BIT|MASK_FLOAT64|MASK_GAS"
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tm_defines="MIPS_ISA_DEFAULT=64 MIPS_CPU_STRING_DEFAULT=\\\"sb1\\\" MIPS_ABI_DEFAULT=ABI_O64"
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@ -1948,7 +1948,7 @@ mips*-*-rtems*)
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fi
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;;
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mipstx39-*-elf* | mipstx39el-*-elf*)
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tm_file="${tm_file} mips/r3900.h mips/elf.h mips/abi64.h"
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tm_file="${tm_file} mips/r3900.h mips/elf.h"
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tmake_file=mips/t-r3900
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;;
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mmix-knuth-mmixware)
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@ -1,132 +0,0 @@
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/* Definitions of target machine for GNU compiler. 64 bit ABI support.
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Copyright (C) 1994, 1995, 1996, 1998, 1999, 2001, 2002 Free Software Foundation, Inc.
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This file is part of GNU CC.
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GNU CC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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||||
the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU CC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with GNU CC; see the file COPYING. If not, write to
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||||
the Free Software Foundation, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/* Macros to implement the 64 bit ABI. This file is meant to be included
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after mips.h. */
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#undef STACK_BOUNDARY
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#define STACK_BOUNDARY \
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((mips_abi == ABI_32 || mips_abi == ABI_O64 || mips_abi == ABI_EABI) \
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? 64 : 128)
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#undef MIPS_STACK_ALIGN
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#define MIPS_STACK_ALIGN(LOC) \
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((mips_abi == ABI_32 || mips_abi == ABI_O64 || mips_abi == ABI_EABI) \
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? ((LOC) + 7) & ~7 \
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: ((LOC) + 15) & ~15)
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#undef GP_ARG_LAST
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#define GP_ARG_LAST ((mips_abi == ABI_32 || mips_abi == ABI_O64) \
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? GP_REG_FIRST + 7 : GP_REG_FIRST + 11)
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#undef FP_ARG_LAST
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#define FP_ARG_LAST ((mips_abi == ABI_32 || mips_abi == ABI_O64) \
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? FP_REG_FIRST + 15 : FP_REG_FIRST + 19)
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#undef SUBTARGET_CONDITIONAL_REGISTER_USAGE
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#define SUBTARGET_CONDITIONAL_REGISTER_USAGE \
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{ \
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/* fp20-23 are now caller saved. */ \
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if (mips_abi == ABI_64) \
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{ \
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int regno; \
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for (regno = FP_REG_FIRST + 20; regno < FP_REG_FIRST + 24; regno++) \
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call_really_used_regs[regno] = call_used_regs[regno] = 1; \
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} \
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/* odd registers from fp21 to fp31 are now caller saved. */ \
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if (mips_abi == ABI_N32 || mips_abi == ABI_MEABI) \
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{ \
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int regno; \
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for (regno = FP_REG_FIRST + 21; regno <= FP_REG_FIRST + 31; regno+=2) \
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call_really_used_regs[regno] = call_used_regs[regno] = 1; \
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} \
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}
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#undef MAX_ARGS_IN_REGISTERS
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#define MAX_ARGS_IN_REGISTERS ((mips_abi == ABI_32 || mips_abi == ABI_O64) \
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? 4 : 8)
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#undef REG_PARM_STACK_SPACE
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#define REG_PARM_STACK_SPACE(FNDECL) \
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((mips_abi == ABI_32 || mips_abi == ABI_O64) \
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? (MAX_ARGS_IN_REGISTERS*UNITS_PER_WORD) - FIRST_PARM_OFFSET (FNDECL) \
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: 0)
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#define FUNCTION_ARG_PADDING(MODE, TYPE) \
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(! BYTES_BIG_ENDIAN \
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? upward \
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: (((MODE) == BLKmode \
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? ((TYPE) && TREE_CODE (TYPE_SIZE (TYPE)) == INTEGER_CST \
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&& int_size_in_bytes (TYPE) < (PARM_BOUNDARY / BITS_PER_UNIT))\
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: (GET_MODE_BITSIZE (MODE) < PARM_BOUNDARY \
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&& (mips_abi == ABI_32 \
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|| mips_abi == ABI_O64 \
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|| mips_abi == ABI_EABI \
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|| GET_MODE_CLASS (MODE) == MODE_INT))) \
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? downward : upward))
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/* Modified version of the macro in expr.h. */
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#define MUST_PASS_IN_STACK(MODE,TYPE) \
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((TYPE) != 0 \
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&& (TREE_CODE (TYPE_SIZE (TYPE)) != INTEGER_CST \
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|| TREE_ADDRESSABLE (TYPE) \
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|| ((MODE) == BLKmode \
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&& mips_abi != ABI_32 && mips_abi != ABI_O64 \
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&& ! ((TYPE) != 0 && TREE_CODE (TYPE_SIZE (TYPE)) == INTEGER_CST \
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&& 0 == (int_size_in_bytes (TYPE) \
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% (PARM_BOUNDARY / BITS_PER_UNIT))) \
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&& (FUNCTION_ARG_PADDING (MODE, TYPE) \
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== (BYTES_BIG_ENDIAN ? upward : downward)))))
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#define STRICT_ARGUMENT_NAMING (mips_abi != ABI_32 && mips_abi != ABI_O64)
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/* A C expression that indicates when an argument must be passed by
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reference. If nonzero for an argument, a copy of that argument is
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made in memory and a pointer to the argument is passed instead of the
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argument itself. The pointer is passed in whatever way is appropriate
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for passing a pointer to that type. */
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#define FUNCTION_ARG_PASS_BY_REFERENCE(CUM, MODE, TYPE, NAMED) \
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function_arg_pass_by_reference (&CUM, MODE, TYPE, NAMED)
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/* A C expression that indicates when it is the called function's
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responsibility to make a copy of arguments passed by invisible
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reference. Normally, the caller makes a copy and passes the
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address of the copy to the routine being called. When
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FUNCTION_ARG_CALLEE_COPIES is defined and is nonzero, the caller
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does not make a copy. Instead, it passes a pointer to the "live"
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value. The called function must not modify this value. If it can
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be determined that the value won't be modified, it need not make a
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copy; otherwise a copy must be made. */
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#define FUNCTION_ARG_CALLEE_COPIES(CUM, MODE, TYPE, NAMED) \
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(mips_abi == ABI_EABI && (NAMED) \
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&& FUNCTION_ARG_PASS_BY_REFERENCE (CUM, MODE, TYPE, NAMED))
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/* ??? Unimplemented stuff follows. */
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/* ??? Add support for 16 byte/128 bit long doubles here when
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mips_abi != ABI32. */
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/* ??? Make main return zero if user did not specify return value. */
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/* ??? Add support for .interfaces section, so as to get linker warnings
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when stdarg functions called without prototype in scope? */
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/* ??? Could optimize structure passing by putting the right register rtx
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into the field decl, so that if we use the field, we can take the value from
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a register instead of from memory. */
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@ -32,7 +32,6 @@ Boston, MA 02111-1307, USA. */
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#endif
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#include "mips/iris5.h"
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#include "mips/abi64.h"
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/* Irix6 assembler does handle DWARF2 directives. Override setting in
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irix5.h file. */
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|
|
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@ -18,8 +18,6 @@ along with GNU CC; see the file COPYING. If not, write to
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|||
the Free Software Foundation, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include "mips/abi64.h"
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#undef WCHAR_TYPE
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#define WCHAR_TYPE "int"
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|
|
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@ -104,6 +104,7 @@ extern const char *mips_restore_gp PARAMS ((rtx *, rtx));
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extern const char *output_block_move PARAMS ((rtx, rtx *, int,
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enum block_move_type));
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extern void override_options PARAMS ((void));
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extern void mips_conditional_register_usage PARAMS ((void));
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extern void print_operand_address PARAMS ((FILE *, rtx));
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extern void print_operand PARAMS ((FILE *, rtx, int));
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extern int double_memory_operand PARAMS ((rtx,enum machine_mode));
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|
|
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@ -5408,6 +5408,62 @@ override_options ()
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init_machine_status = &mips_init_machine_status;
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}
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/* Implement CONDITIONAL_REGISTER_USAGE. */
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void
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mips_conditional_register_usage ()
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{
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if (!TARGET_HARD_FLOAT)
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{
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int regno;
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for (regno = FP_REG_FIRST; regno <= FP_REG_LAST; regno++)
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fixed_regs[regno] = call_used_regs[regno] = 1;
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for (regno = ST_REG_FIRST; regno <= ST_REG_LAST; regno++)
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fixed_regs[regno] = call_used_regs[regno] = 1;
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}
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else if (! ISA_HAS_8CC)
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{
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int regno;
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|
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/* We only have a single condition code register. We
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implement this by hiding all the condition code registers,
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and generating RTL that refers directly to ST_REG_FIRST. */
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for (regno = ST_REG_FIRST; regno <= ST_REG_LAST; regno++)
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fixed_regs[regno] = call_used_regs[regno] = 1;
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}
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||||
/* In mips16 mode, we permit the $t temporary registers to be used
|
||||
for reload. We prohibit the unused $s registers, since they
|
||||
are caller saved, and saving them via a mips16 register would
|
||||
probably waste more time than just reloading the value. */
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if (TARGET_MIPS16)
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{
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fixed_regs[18] = call_used_regs[18] = 1;
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fixed_regs[19] = call_used_regs[19] = 1;
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fixed_regs[20] = call_used_regs[20] = 1;
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fixed_regs[21] = call_used_regs[21] = 1;
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fixed_regs[22] = call_used_regs[22] = 1;
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fixed_regs[23] = call_used_regs[23] = 1;
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fixed_regs[26] = call_used_regs[26] = 1;
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fixed_regs[27] = call_used_regs[27] = 1;
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fixed_regs[30] = call_used_regs[30] = 1;
|
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}
|
||||
/* fp20-23 are now caller saved. */
|
||||
if (mips_abi == ABI_64)
|
||||
{
|
||||
int regno;
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for (regno = FP_REG_FIRST + 20; regno < FP_REG_FIRST + 24; regno++)
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call_really_used_regs[regno] = call_used_regs[regno] = 1;
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}
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/* odd registers from fp21 to fp31 are now caller saved. */
|
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if (mips_abi == ABI_N32 || mips_abi == ABI_MEABI)
|
||||
{
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int regno;
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for (regno = FP_REG_FIRST + 21; regno <= FP_REG_FIRST + 31; regno+=2)
|
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call_really_used_regs[regno] = call_used_regs[regno] = 1;
|
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}
|
||||
}
|
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|
||||
/* Allocate a chunk of memory for per-function machine-dependent data. */
|
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static struct machine_function *
|
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mips_init_machine_status ()
|
||||
|
|
|
|||
|
|
@ -77,11 +77,9 @@ enum processor_type {
|
|||
/* Recast the cpu class to be the cpu attribute. */
|
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#define mips_cpu_attr ((enum attr_cpu)mips_tune)
|
||||
|
||||
/* Which ABI to use. These are constants because abi64.h must check their
|
||||
value at preprocessing time.
|
||||
|
||||
ABI_32 (original 32, or o32), ABI_N32 (n32), ABI_64 (n64) are all
|
||||
defined by SGI. ABI_O64 is o32 extended to work on a 64 bit machine. */
|
||||
/* Which ABI to use. ABI_32 (original 32, or o32), ABI_N32 (n32),
|
||||
ABI_64 (n64) are all defined by SGI. ABI_O64 is o32 extended
|
||||
to work on a 64 bit machine. */
|
||||
|
||||
#define ABI_32 0
|
||||
#define ABI_N32 1
|
||||
|
|
@ -868,73 +866,7 @@ extern void sbss_section PARAMS ((void));
|
|||
|
||||
#define OVERRIDE_OPTIONS override_options ()
|
||||
|
||||
/* Zero or more C statements that may conditionally modify two
|
||||
variables `fixed_regs' and `call_used_regs' (both of type `char
|
||||
[]') after they have been initialized from the two preceding
|
||||
macros.
|
||||
|
||||
This is necessary in case the fixed or call-clobbered registers
|
||||
depend on target flags.
|
||||
|
||||
You need not define this macro if it has no work to do.
|
||||
|
||||
If the usage of an entire class of registers depends on the target
|
||||
flags, you may indicate this to GCC by using this macro to modify
|
||||
`fixed_regs' and `call_used_regs' to 1 for each of the registers in
|
||||
the classes which should not be used by GCC. Also define the macro
|
||||
`REG_CLASS_FROM_LETTER' to return `NO_REGS' if it is called with a
|
||||
letter for a class that shouldn't be used.
|
||||
|
||||
(However, if this class is not included in `GENERAL_REGS' and all
|
||||
of the insn patterns whose constraints permit this class are
|
||||
controlled by target switches, then GCC will automatically avoid
|
||||
using these registers when the target switches are opposed to
|
||||
them.) */
|
||||
|
||||
#define CONDITIONAL_REGISTER_USAGE \
|
||||
do \
|
||||
{ \
|
||||
if (!TARGET_HARD_FLOAT) \
|
||||
{ \
|
||||
int regno; \
|
||||
\
|
||||
for (regno = FP_REG_FIRST; regno <= FP_REG_LAST; regno++) \
|
||||
fixed_regs[regno] = call_used_regs[regno] = 1; \
|
||||
for (regno = ST_REG_FIRST; regno <= ST_REG_LAST; regno++) \
|
||||
fixed_regs[regno] = call_used_regs[regno] = 1; \
|
||||
} \
|
||||
else if (! ISA_HAS_8CC) \
|
||||
{ \
|
||||
int regno; \
|
||||
\
|
||||
/* We only have a single condition code register. We \
|
||||
implement this by hiding all the condition code registers, \
|
||||
and generating RTL that refers directly to ST_REG_FIRST. */ \
|
||||
for (regno = ST_REG_FIRST; regno <= ST_REG_LAST; regno++) \
|
||||
fixed_regs[regno] = call_used_regs[regno] = 1; \
|
||||
} \
|
||||
/* In mips16 mode, we permit the $t temporary registers to be used \
|
||||
for reload. We prohibit the unused $s registers, since they \
|
||||
are caller saved, and saving them via a mips16 register would \
|
||||
probably waste more time than just reloading the value. */ \
|
||||
if (TARGET_MIPS16) \
|
||||
{ \
|
||||
fixed_regs[18] = call_used_regs[18] = 1; \
|
||||
fixed_regs[19] = call_used_regs[19] = 1; \
|
||||
fixed_regs[20] = call_used_regs[20] = 1; \
|
||||
fixed_regs[21] = call_used_regs[21] = 1; \
|
||||
fixed_regs[22] = call_used_regs[22] = 1; \
|
||||
fixed_regs[23] = call_used_regs[23] = 1; \
|
||||
fixed_regs[26] = call_used_regs[26] = 1; \
|
||||
fixed_regs[27] = call_used_regs[27] = 1; \
|
||||
fixed_regs[30] = call_used_regs[30] = 1; \
|
||||
} \
|
||||
SUBTARGET_CONDITIONAL_REGISTER_USAGE \
|
||||
} \
|
||||
while (0)
|
||||
|
||||
/* This is meant to be redefined in the host dependent files. */
|
||||
#define SUBTARGET_CONDITIONAL_REGISTER_USAGE
|
||||
#define CONDITIONAL_REGISTER_USAGE mips_conditional_register_usage ()
|
||||
|
||||
/* Show we can debug even without a frame pointer. */
|
||||
#define CAN_DEBUG_WITHOUT_FP
|
||||
|
|
@ -2552,8 +2484,10 @@ extern enum reg_class mips_char_to_class[256];
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|||
in register. In case an argument list is of form GF used registers
|
||||
are a0 (a2,a3), but we should push over a1... */
|
||||
|
||||
#define REG_PARM_STACK_SPACE(FNDECL) \
|
||||
((MAX_ARGS_IN_REGISTERS*UNITS_PER_WORD) - FIRST_PARM_OFFSET (FNDECL))
|
||||
#define REG_PARM_STACK_SPACE(FNDECL) \
|
||||
((mips_abi == ABI_32 || mips_abi == ABI_O64) \
|
||||
? (MAX_ARGS_IN_REGISTERS * UNITS_PER_WORD) - FIRST_PARM_OFFSET (FNDECL) \
|
||||
: 0)
|
||||
|
||||
/* Define this if it is the responsibility of the caller to
|
||||
allocate the area reserved for arguments passed in registers.
|
||||
|
|
@ -2562,10 +2496,9 @@ extern enum reg_class mips_char_to_class[256];
|
|||
`current_function_outgoing_args_size'. */
|
||||
#define OUTGOING_REG_PARM_STACK_SPACE
|
||||
|
||||
/* Align stack frames on 64 bits (Double Word ). */
|
||||
#ifndef STACK_BOUNDARY
|
||||
#define STACK_BOUNDARY 64
|
||||
#endif
|
||||
#define STACK_BOUNDARY \
|
||||
((mips_abi == ABI_32 || mips_abi == ABI_O64 || mips_abi == ABI_EABI) \
|
||||
? 64 : 128)
|
||||
|
||||
/* Make sure 4 words are always allocated on the stack. */
|
||||
|
||||
|
|
@ -2613,14 +2546,19 @@ extern enum reg_class mips_char_to_class[256];
|
|||
#define GP_RETURN (GP_REG_FIRST + 2)
|
||||
#define FP_RETURN ((TARGET_SOFT_FLOAT) ? GP_RETURN : (FP_REG_FIRST + 0))
|
||||
|
||||
#define MAX_ARGS_IN_REGISTERS \
|
||||
((mips_abi == ABI_32 || mips_abi == ABI_O64) ? 4 : 8)
|
||||
|
||||
/* Largest possible value of MAX_ARGS_IN_REGISTERS. */
|
||||
|
||||
#define BIGGEST_MAX_ARGS_IN_REGISTERS 8
|
||||
|
||||
/* Symbolic macros for the first/last argument registers. */
|
||||
|
||||
#define GP_ARG_FIRST (GP_REG_FIRST + 4)
|
||||
#define GP_ARG_LAST (GP_REG_FIRST + 7)
|
||||
#define GP_ARG_LAST (GP_ARG_FIRST + MAX_ARGS_IN_REGISTERS - 1)
|
||||
#define FP_ARG_FIRST (FP_REG_FIRST + 12)
|
||||
#define FP_ARG_LAST (FP_REG_FIRST + 15)
|
||||
|
||||
#define MAX_ARGS_IN_REGISTERS 4
|
||||
#define FP_ARG_LAST (FP_ARG_FIRST + MAX_ARGS_IN_REGISTERS - 1)
|
||||
|
||||
/* Define how to find the value returned by a library function
|
||||
assuming the value has mode MODE. Because we define
|
||||
|
|
@ -2683,6 +2621,8 @@ extern enum reg_class mips_char_to_class[256];
|
|||
#define TARGET_FLOAT_FORMAT IEEE_FLOAT_FORMAT
|
||||
|
||||
|
||||
#define STRICT_ARGUMENT_NAMING (mips_abi != ABI_32 && mips_abi != ABI_O64)
|
||||
|
||||
/* Define a data type for recording info about an argument list
|
||||
during the scan of that argument list. This data type should
|
||||
hold all necessary information about the function itself
|
||||
|
|
@ -2757,7 +2697,7 @@ typedef struct mips_args {
|
|||
the shift patterns, and function_arg, which returns them when given
|
||||
a VOIDmode argument. */
|
||||
unsigned int num_adjusts;
|
||||
rtx adjust[MAX_ARGS_IN_REGISTERS];
|
||||
rtx adjust[BIGGEST_MAX_ARGS_IN_REGISTERS];
|
||||
} CUMULATIVE_ARGS;
|
||||
|
||||
/* Initialize a variable CUM of type CUMULATIVE_ARGS
|
||||
|
|
@ -2812,6 +2752,39 @@ typedef struct mips_args {
|
|||
? PARM_BOUNDARY \
|
||||
: GET_MODE_ALIGNMENT(MODE)))
|
||||
|
||||
#define FUNCTION_ARG_PASS_BY_REFERENCE(CUM, MODE, TYPE, NAMED) \
|
||||
function_arg_pass_by_reference (&CUM, MODE, TYPE, NAMED)
|
||||
|
||||
#define FUNCTION_ARG_PADDING(MODE, TYPE) \
|
||||
(! BYTES_BIG_ENDIAN \
|
||||
? upward \
|
||||
: (((MODE) == BLKmode \
|
||||
? ((TYPE) && TREE_CODE (TYPE_SIZE (TYPE)) == INTEGER_CST \
|
||||
&& int_size_in_bytes (TYPE) < (PARM_BOUNDARY / BITS_PER_UNIT))\
|
||||
: (GET_MODE_BITSIZE (MODE) < PARM_BOUNDARY \
|
||||
&& (mips_abi == ABI_32 \
|
||||
|| mips_abi == ABI_O64 \
|
||||
|| mips_abi == ABI_EABI \
|
||||
|| GET_MODE_CLASS (MODE) == MODE_INT))) \
|
||||
? downward : upward))
|
||||
|
||||
#define FUNCTION_ARG_CALLEE_COPIES(CUM, MODE, TYPE, NAMED) \
|
||||
(mips_abi == ABI_EABI && (NAMED) \
|
||||
&& FUNCTION_ARG_PASS_BY_REFERENCE (CUM, MODE, TYPE, NAMED))
|
||||
|
||||
/* Modified version of the macro in expr.h. */
|
||||
#define MUST_PASS_IN_STACK(MODE,TYPE) \
|
||||
((TYPE) != 0 \
|
||||
&& (TREE_CODE (TYPE_SIZE (TYPE)) != INTEGER_CST \
|
||||
|| TREE_ADDRESSABLE (TYPE) \
|
||||
|| ((MODE) == BLKmode \
|
||||
&& mips_abi != ABI_32 && mips_abi != ABI_O64 \
|
||||
&& ! ((TYPE) != 0 && TREE_CODE (TYPE_SIZE (TYPE)) == INTEGER_CST \
|
||||
&& 0 == (int_size_in_bytes (TYPE) \
|
||||
% (PARM_BOUNDARY / BITS_PER_UNIT))) \
|
||||
&& (FUNCTION_ARG_PADDING (MODE, TYPE) \
|
||||
== (BYTES_BIG_ENDIAN ? upward : downward)))))
|
||||
|
||||
/* True if using EABI and varargs can be passed in floating-point
|
||||
registers. Under these conditions, we need a more complex form
|
||||
of va_list, which tracks GPR, FPR and stack arguments separately. */
|
||||
|
|
@ -2826,10 +2799,12 @@ typedef struct mips_args {
|
|||
|| (regno == HARD_FRAME_POINTER_REGNUM && frame_pointer_needed) \
|
||||
|| (regno == (GP_REG_FIRST + 31) && regs_ever_live[GP_REG_FIRST + 31]))
|
||||
|
||||
/* ALIGN FRAMES on double word boundaries */
|
||||
#ifndef MIPS_STACK_ALIGN
|
||||
#define MIPS_STACK_ALIGN(LOC) (((LOC) + 7) & ~7)
|
||||
#endif
|
||||
/* Treat LOC as a byte offset from the stack pointer and round it up
|
||||
to the next fully-aligned offset. */
|
||||
#define MIPS_STACK_ALIGN(LOC) \
|
||||
((mips_abi == ABI_32 || mips_abi == ABI_O64 || mips_abi == ABI_EABI) \
|
||||
? ((LOC) + 7) & ~7 \
|
||||
: ((LOC) + 15) & ~15)
|
||||
|
||||
|
||||
/* Define the `__builtin_va_list' type for the ABI. */
|
||||
|
|
|
|||
|
|
@ -405,6 +405,10 @@ extern HARD_REG_SET fixed_reg_set;
|
|||
|
||||
extern char call_used_regs[FIRST_PSEUDO_REGISTER];
|
||||
|
||||
#ifdef CALL_REALLY_USED_REGISTERS
|
||||
extern char call_really_used_regs[];
|
||||
#endif
|
||||
|
||||
/* The same info as a HARD_REG_SET. */
|
||||
|
||||
extern HARD_REG_SET call_used_reg_set;
|
||||
|
|
|
|||
Loading…
Reference in New Issue