/* Print subsidiary information on the compiler version in use.
Redefined in m88kv4.h, and m88kluna.h. */
#define VERSION_INFO1 "88open OCS/BCS, "
-#define VERSION_INFO2 "04 Jul 1992"
+#define VERSION_INFO2 "08/28/92"
#define VERSION_STRING version_string
-#define TM_SCCS_ID "@(#)m88k.h 2.2.6.7 04 Jul 1992 08:35:55"
+#define TM_SCCS_ID "@(#)m88k.h 2.2.7.6 08/28/92 07:51:00"
/* Run-time compilation parameters selecting different hardware subsets. */
/* Boundary (in *bits*) on which stack pointer should be aligned. */
#define STACK_BOUNDARY 128
-/* Allocation boundary (in *bits*) for the code of a function.
- Pack code tightly when compiling crtstuff.c. */
-#define FUNCTION_BOUNDARY (flag_inhibit_size_directive ? 32 : 128)
+/* Allocation boundary (in *bits*) for the code of a function. On the
+ m88100, it is desirable to align to a cache line. However, SVR3 targets
+ only provided 8 byte alignment. The m88110 cache is small, so align
+ to an 8 byte boundary. Pack code tightly when compiling crtstuff.c. */
+#define FUNCTION_BOUNDARY (flag_inhibit_size_directive ? 32 : \
+ (TARGET_88100 && TARGET_SVR4 ? 128 : 64))
/* No data type wants to be aligned rounder than this. */
#define BIGGEST_ALIGNMENT 64
/* Provide the cost of a branch. Exact meaning under development. */
#define BRANCH_COST (TARGET_88100 ? 1 : 2)
+/* A C statement (sans semicolon) to update the integer variable COST
+ based on the relationship between INSN that is dependent on
+ DEP_INSN through the dependence LINK. The default is to make no
+ adjustment to COST. On the m88k, ignore the cost of anti- and
+ output-dependencies. On the m88100, a store can issue two cycles
+ before the value (not the address) has finished computing. */
+#define ADJUST_COST(INSN,LINK,DEP_INSN,COST) \
+ do { \
+ if (REG_NOTE_KIND (LINK) != 0) \
+ (COST) = 0; /* Anti or output dependence. */ \
+ else if (! TARGET_88100 \
+ && recog_memoized (INSN) >= 0 \
+ && get_attr_type (INSN) == TYPE_STORE \
+ && SET_SRC (PATTERN (INSN)) == SET_DEST (PATTERN (DEP_INSN))) \
+ (COST) -= 4; /* 88110 store reservation station. */ \
+ } while (0)
+
/* Define this to be nonzero if the character `$' should be allowed
by default in identifier names. */
#define DOLLARS_IN_IDENTIFIERS 1
#define ASM_OUTPUT_ASCII(FILE, P, SIZE) \
output_ascii (FILE, ASCII_DATA_ASM_OP, 48, P, SIZE)
-/* Override svr4.h. */
+/* Override svr4.h. Change to the readonly data section for a table of
+ addresses. final_scan_insn changes back to the text section. */
#undef ASM_OUTPUT_CASE_LABEL
+#define ASM_OUTPUT_CASE_LABEL(FILE, PREFIX, NUM, TABLE) \
+ do { \
+ if (! CASE_VECTOR_INSNS) \
+ readonly_data_section (); \
+ ASM_OUTPUT_INTERNAL_LABEL (FILE, PREFIX, NUM); \
+ } while (0)
/* Epilogue for case labels. This jump instruction is called by casesi
to transfer to the appropriate branch instruction within the table.
if ((LOG) != 0) \
fprintf (FILE, "\t%s\t %d\n", ALIGN_ASM_OP, 1<<(LOG))
-/* Align the text address to half a cache boundary when it can only be
- reached by jumping. Pack code tightly when compiling crtstuff.c. */
+/* On the m88100, align the text address to half a cache boundary when it
+ can only be reached by jumping. Pack code tightly when compiling
+ crtstuff.c. */
#define ASM_OUTPUT_ALIGN_CODE(FILE) \
- ASM_OUTPUT_ALIGN (FILE, (flag_inhibit_size_directive ? 2 : 3))
+ ASM_OUTPUT_ALIGN (FILE, \
+ (TARGET_88100 && !flag_inhibit_size_directive ? 3 : 2))
/* Override svr[34].h. */
#undef ASM_OUTPUT_SKIP
#define USE_CONST_SECTION DECLARE_ASM_NAME
-#if defined(CTORS_SECTION_FUNCTION) /* SVR4 */
+#if defined(USING_SVR4_H)
#define EXTRA_SECTIONS in_const, in_tdesc, in_sdata, in_ctors, in_dtors
#define INIT_SECTION_FUNCTION
#define FINI_SECTION_FUNCTION
-#elif defined(FINI_SECTION_FUNCTION) /* SVR3 */
+#elif defined(USING_SVR3_H)
-#define EXTRA_SECTIONS in_const, in_tdesc, in_sdata, in_init, in_fini
-#define CTORS_SECTION_FUNCTION
-#define DTORS_SECTION_FUNCTION
+#define EXTRA_SECTIONS in_const, in_tdesc, in_sdata, in_ctors, in_dtors, \
+ in_init, in_fini
#else /* m88kluna or other not based on svr[34].h. */
#define INIT_SECTION_FUNCTION
#define FINI_SECTION_FUNCTION
-#endif /* CTORS_SECTION_FUNCTION */
+#endif /* USING_SVR4_H */
#undef EXTRA_SECTION_FUNCTIONS
#define EXTRA_SECTION_FUNCTIONS \
const_section (); \
}
+/* Jump tables consist of branch instructions and should be output in
+ the text section. When we use a table of addresses, we explicitly
+ change to the readonly data section. */
+#define JUMP_TABLES_IN_TEXT_SECTION 1
+
/* Define this macro if references to a symbol must be treated differently
depending on something about the variable or function named by the
symbol (such as what section it is in).
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