1*38fd1498Szrj /* Definitions for Unix assembler syntax for the Intel 80386. 2*38fd1498Szrj Copyright (C) 1988-2018 Free Software Foundation, Inc. 3*38fd1498Szrj 4*38fd1498Szrj This file is part of GCC. 5*38fd1498Szrj 6*38fd1498Szrj GCC is free software; you can redistribute it and/or modify 7*38fd1498Szrj it under the terms of the GNU General Public License as published by 8*38fd1498Szrj the Free Software Foundation; either version 3, or (at your option) 9*38fd1498Szrj any later version. 10*38fd1498Szrj 11*38fd1498Szrj GCC is distributed in the hope that it will be useful, 12*38fd1498Szrj but WITHOUT ANY WARRANTY; without even the implied warranty of 13*38fd1498Szrj MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14*38fd1498Szrj GNU General Public License for more details. 15*38fd1498Szrj 16*38fd1498Szrj Under Section 7 of GPL version 3, you are granted additional 17*38fd1498Szrj permissions described in the GCC Runtime Library Exception, version 18*38fd1498Szrj 3.1, as published by the Free Software Foundation. 19*38fd1498Szrj 20*38fd1498Szrj You should have received a copy of the GNU General Public License and 21*38fd1498Szrj a copy of the GCC Runtime Library Exception along with this program; 22*38fd1498Szrj see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 23*38fd1498Szrj <http://www.gnu.org/licenses/>. */ 24*38fd1498Szrj 25*38fd1498Szrj /* This file defines the aspects of assembler syntax 26*38fd1498Szrj that are the same for all the i386 Unix systems 27*38fd1498Szrj (though they may differ in non-Unix systems). */ 28*38fd1498Szrj 29*38fd1498Szrj /* Define macro used to output shift-double opcodes when the shift 30*38fd1498Szrj count is in %cl. Some assemblers require %cl as an argument; 31*38fd1498Szrj some don't. This macro controls what to do: by default, don't 32*38fd1498Szrj print %cl. */ 33*38fd1498Szrj #define SHIFT_DOUBLE_OMITS_COUNT 1 34*38fd1498Szrj 35*38fd1498Szrj /* Define the syntax of pseudo-ops, labels and comments. */ 36*38fd1498Szrj 37*38fd1498Szrj /* String containing the assembler's comment-starter. 38*38fd1498Szrj Note the trailing space is necessary in case the character 39*38fd1498Szrj that immediately follows the comment is '*'. If this happens 40*38fd1498Szrj and the space is not there the assembler will interpret this 41*38fd1498Szrj as the start of a C-like slash-star comment and complain when 42*38fd1498Szrj there is no terminator. */ 43*38fd1498Szrj 44*38fd1498Szrj #define ASM_COMMENT_START "/ " 45*38fd1498Szrj 46*38fd1498Szrj /* Output to assembler file text saying following lines 47*38fd1498Szrj may contain character constants, extra white space, comments, etc. */ 48*38fd1498Szrj 49*38fd1498Szrj #define ASM_APP_ON "/APP\n" 50*38fd1498Szrj 51*38fd1498Szrj /* Output to assembler file text saying following lines 52*38fd1498Szrj no longer contain unusual constructs. */ 53*38fd1498Szrj 54*38fd1498Szrj #define ASM_APP_OFF "/NO_APP\n" 55*38fd1498Szrj 56*38fd1498Szrj /* Output before read-only data. */ 57*38fd1498Szrj 58*38fd1498Szrj #define TEXT_SECTION_ASM_OP "\t.text" 59*38fd1498Szrj 60*38fd1498Szrj /* Output before writable (initialized) data. */ 61*38fd1498Szrj 62*38fd1498Szrj #define DATA_SECTION_ASM_OP "\t.data" 63*38fd1498Szrj 64*38fd1498Szrj /* Output before writable (uninitialized) data. */ 65*38fd1498Szrj 66*38fd1498Szrj #define BSS_SECTION_ASM_OP "\t.bss" 67*38fd1498Szrj 68*38fd1498Szrj /* Globalizing directive for a label. */ 69*38fd1498Szrj #define GLOBAL_ASM_OP "\t.globl\t" 70*38fd1498Szrj 71*38fd1498Szrj /* By default, target has a 80387, uses IEEE compatible arithmetic, 72*38fd1498Szrj and returns float values in the 387. */ 73*38fd1498Szrj #undef TARGET_SUBTARGET_DEFAULT 74*38fd1498Szrj #define TARGET_SUBTARGET_DEFAULT \ 75*38fd1498Szrj (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS) 76*38fd1498Szrj 77*38fd1498Szrj /* By default, 64-bit mode uses 128-bit long double. */ 78*38fd1498Szrj #undef TARGET_SUBTARGET64_DEFAULT 79*38fd1498Szrj #define TARGET_SUBTARGET64_DEFAULT \ 80*38fd1498Szrj MASK_128BIT_LONG_DOUBLE 81