else \
fprintf (FILE, "\tla\t%s,_mcount\n", reg_names[GP_REG_FIRST + 3]); \
} \
- fprintf (FILE, "\t.set\tnoat\n"); \
+ mips_push_asm_switch (&mips_noat); \
fprintf (FILE, "\tmove\t%s,%s\t\t# save current return address\n", \
reg_names[GP_REG_FIRST + 1], reg_names[GP_REG_FIRST + 31]); \
/* _mcount treats $2 as the static chain register. */ \
fprintf (FILE, "\tjalr\t%s\n", reg_names[GP_REG_FIRST + 3]); \
else \
fprintf (FILE, "\tjal\t_mcount\n"); \
- fprintf (FILE, "\t.set\tat\n"); \
+ mips_pop_asm_switch (&mips_noat); \
/* _mcount treats $2 as the static chain register. */ \
if (cfun->static_chain_decl != NULL) \
fprintf (FILE, "\tmove\t%s,%s\n", reg_names[STATIC_CHAIN_REGNUM], \
#define PRINT_OPERAND_PUNCT_VALID_P(CODE) mips_print_operand_punct[CODE]
#define PRINT_OPERAND_ADDRESS mips_print_operand_address
-/* A C statement, to be executed after all slot-filler instructions
- have been output. If necessary, call `dbr_sequence_length' to
- determine the number of slots filled in a sequence (zero if not
- currently outputting a sequence), to decide how many no-ops to
- output, or whatever.
-
- Don't define this macro if it has nothing to do, but it is
- helpful in reading assembly output if the extent of the delay
- sequence is made explicit (e.g. with white space).
-
- Note that output routines for instructions with delay slots must
- be prepared to deal with not being output as part of a sequence
- (i.e. when the scheduling pass is not run, or when no slot
- fillers could be found.) The variable `final_sequence' is null
- when not processing a sequence, otherwise it contains the
- `sequence' rtx being output. */
-
#define DBR_OUTPUT_SEQEND(STREAM) \
do \
{ \
- if (set_nomacro > 0 && --set_nomacro == 0) \
- fputs ("\t.set\tmacro\n", STREAM); \
- \
- if (set_noreorder > 0 && --set_noreorder == 0) \
- fputs ("\t.set\treorder\n", STREAM); \
- \
+ /* Undo the effect of '%*'. */ \
+ mips_pop_asm_switch (&mips_nomacro); \
+ mips_pop_asm_switch (&mips_noreorder); \
+ /* Emit a blank line after the delay slot for emphasis. */ \
fputs ("\n", STREAM); \
} \
while (0)
#define ASM_OUTPUT_REG_POP(STREAM,REGNO) \
do \
{ \
- if (! set_noreorder) \
- fprintf (STREAM, "\t.set\tnoreorder\n"); \
- \
+ mips_push_asm_switch (&mips_noreorder); \
fprintf (STREAM, "\t%s\t%s,0(%s)\n\t%s\t%s,%s,8\n", \
TARGET_64BIT ? "ld" : "lw", \
reg_names[REGNO], \
TARGET_64BIT ? "daddu" : "addu", \
reg_names[STACK_POINTER_REGNUM], \
reg_names[STACK_POINTER_REGNUM]); \
- \
- if (! set_noreorder) \
- fprintf (STREAM, "\t.set\treorder\n"); \
+ mips_pop_asm_switch (&mips_noreorder); \
} \
while (0)
#define MIPS_SYNC_EXCHANGE_12_NONZERO_OP "\tor\t%@,%@,%4\n"
#ifndef USED_FOR_TARGET
+/* Information about ".set noFOO; ...; .set FOO" blocks. */
+struct mips_asm_switch {
+ /* The FOO in the description above. */
+ const char *name;
+
+ /* The current block nesting level, or 0 if we aren't in a block. */
+ int nesting_level;
+};
+
extern const enum reg_class mips_regno_to_class[];
extern bool mips_hard_regno_mode_ok[][FIRST_PSEUDO_REGISTER];
extern bool mips_print_operand_punct[256];
extern const char *current_function_file; /* filename current function is in */
extern int num_source_filenames; /* current .file # */
-extern int set_noreorder; /* # of nested .set noreorder's */
-extern int set_nomacro; /* # of nested .set nomacro's */
+extern struct mips_asm_switch mips_noreorder;
+extern struct mips_asm_switch mips_nomacro;
+extern struct mips_asm_switch mips_noat;
extern int mips_dbx_regno[];
extern int mips_dwarf_regno[];
extern bool mips_split_p[];
OSDN Git Service
