diff options
Diffstat (limited to 'gcc/config/i386/i386.h')
| -rw-r--r-- | gcc/config/i386/i386.h | 63 |
1 files changed, 30 insertions, 33 deletions
diff --git a/gcc/config/i386/i386.h b/gcc/config/i386/i386.h index d65ce49a4c5..c9c4cfc8426 100644 --- a/gcc/config/i386/i386.h +++ b/gcc/config/i386/i386.h @@ -146,7 +146,7 @@ extern const int x86_use_leave, x86_push_memory, x86_zero_extend_with_and; extern const int x86_use_bit_test, x86_cmove, x86_fisttp, x86_deep_branch; extern const int x86_branch_hints, x86_unroll_strlen; extern const int x86_double_with_add, x86_partial_reg_stall, x86_movx; -extern const int x86_use_loop, x86_use_himode_fiop, x86_use_simode_fiop; +extern const int x86_use_himode_fiop, x86_use_simode_fiop; extern const int x86_use_mov0, x86_use_cltd, x86_read_modify_write; extern const int x86_read_modify, x86_split_long_moves; extern const int x86_promote_QImode, x86_single_stringop, x86_fast_prefix; @@ -180,7 +180,6 @@ extern int x86_prefetch_sse; #define TARGET_USE_SAHF ((x86_use_sahf & TUNEMASK) && !TARGET_64BIT) #define TARGET_MOVX (x86_movx & TUNEMASK) #define TARGET_PARTIAL_REG_STALL (x86_partial_reg_stall & TUNEMASK) -#define TARGET_USE_LOOP (x86_use_loop & TUNEMASK) #define TARGET_USE_HIMODE_FIOP (x86_use_himode_fiop & TUNEMASK) #define TARGET_USE_SIMODE_FIOP (x86_use_simode_fiop & TUNEMASK) #define TARGET_USE_MOV0 (x86_use_mov0 & TUNEMASK) @@ -2072,13 +2071,6 @@ do { \ #define JUMP_TABLES_IN_TEXT_SECTION \ (!TARGET_64BIT && flag_pic && !HAVE_AS_GOTOFF_IN_DATA) -/* Emit a dtp-relative reference to a TLS variable. */ - -#ifdef HAVE_AS_TLS -#define ASM_OUTPUT_DWARF_DTPREL(FILE, SIZE, X) \ - i386_output_dwarf_dtprel (FILE, SIZE, X) -#endif - /* Switch to init or fini section via SECTION_OP, emit a call to FUNC, and switch back. For x86 we do this only to save a few bytes that would otherwise be unused in the text section. */ @@ -2132,10 +2124,7 @@ enum processor_type }; extern enum processor_type ix86_tune; -extern const char *ix86_tune_string; - extern enum processor_type ix86_arch; -extern const char *ix86_arch_string; enum fpmath_unit { @@ -2200,11 +2189,31 @@ extern rtx ix86_compare_emitted; Post-reload pass may be later used to eliminate the redundant fildcw if needed. */ +enum ix86_entity +{ + I387_TRUNC = 0, + I387_FLOOR, + I387_CEIL, + I387_MASK_PM, + MAX_386_ENTITIES +}; + +enum ix86_stack_slot +{ + SLOT_TEMP = 0, + SLOT_CW_STORED, + SLOT_CW_TRUNC, + SLOT_CW_FLOOR, + SLOT_CW_CEIL, + SLOT_CW_MASK_PM, + MAX_386_STACK_LOCALS +}; /* Define this macro if the port needs extra instructions inserted for mode switching in an optimizing compilation. */ -#define OPTIMIZE_MODE_SWITCHING(ENTITY) ix86_optimize_mode_switching +#define OPTIMIZE_MODE_SWITCHING(ENTITY) \ + ix86_optimize_mode_switching[(ENTITY)] /* If you define `OPTIMIZE_MODE_SWITCHING', you have to define this as initializer for an array of integers. Each initializer element N @@ -2214,27 +2223,16 @@ extern rtx ix86_compare_emitted; starting counting at zero - determines the integer that is used to refer to the mode-switched entity in question. */ -#define NUM_MODES_FOR_MODE_SWITCHING { I387_CW_ANY } +#define NUM_MODES_FOR_MODE_SWITCHING \ + { I387_CW_ANY, I387_CW_ANY, I387_CW_ANY, I387_CW_ANY } /* ENTITY is an integer specifying a mode-switched entity. If `OPTIMIZE_MODE_SWITCHING' is defined, you must define this macro to return an integer value not larger than the corresponding element in `NUM_MODES_FOR_MODE_SWITCHING', to denote the mode that ENTITY - must be switched into prior to the execution of INSN. - - The mode UNINITIALIZED is used to force re-load of possibly previously - stored control word after function call. The mode ANY specify that - function has no requirements on the control word and make no changes - in the bits we are interested in. */ - -#define MODE_NEEDED(ENTITY, I) \ - (GET_CODE (I) == CALL_INSN \ - || (GET_CODE (I) == INSN && (asm_noperands (PATTERN (I)) >= 0 \ - || GET_CODE (PATTERN (I)) == ASM_INPUT))\ - ? I387_CW_UNINITIALIZED \ - : recog_memoized (I) < 0 \ - ? I387_CW_ANY \ - : get_attr_i387_cw (I)) + must be switched into prior to the execution of INSN. */ + +#define MODE_NEEDED(ENTITY, I) ix86_mode_needed ((ENTITY), (I)) /* This macro specifies the order in which modes for ENTITY are processed. 0 is the highest priority. */ @@ -2247,10 +2245,9 @@ extern rtx ix86_compare_emitted; #define EMIT_MODE_SET(ENTITY, MODE, HARD_REGS_LIVE) \ ((MODE) != I387_CW_ANY && (MODE) != I387_CW_UNINITIALIZED \ - ? emit_i387_cw_initialization (assign_386_stack_local (HImode, 1), \ - assign_386_stack_local (HImode, 2), \ - MODE), 0 \ + ? emit_i387_cw_initialization (MODE), 0 \ : 0) + /* Avoid renaming of stack registers, as doing so in combination with scheduling just increases amount of live registers at time and in @@ -2272,7 +2269,7 @@ struct machine_function GTY(()) const char *some_ld_name; int save_varrargs_registers; int accesses_prev_frame; - int optimize_mode_switching; + int optimize_mode_switching[MAX_386_ENTITIES]; /* Set by ix86_compute_frame_layout and used by prologue/epilogue expander to determine the style used. */ int use_fast_prologue_epilogue; |