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predicates.md (const_call_operand): Adjust comment.

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* config/m68k/predicates.md (const_call_operand): Adjust comment.
	(const_sibcall_operand): New.
	(sibcall_operand): Use it.
	* config/m68k/m68k.c (FL_FOR_isa_c): Not ISA_B compatible.
	(m68k_isas): ISAC does not imply FPU or EMAC.
	(override_options): Add ISA_C logic for symbolic jump & call.

From-SVN: r125774
This commit is contained in:
Nathan Sidwell 2007-06-17 13:08:43 +00:00 • committed by Kazu Hirata
parent fe116068c2
commit 4e2b26aaa2
3 changed files with 30 additions and 9 deletions
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7
gcc/ChangeLog
View file

@ -7,6 +7,13 @@
* config/m68k/m68k.c (all_isas): Remove FL_CF_FPU and
FL_CF_EMAC from the entry for isac.
* config/m68k/predicates.md (const_call_operand): Adjust comment.
(const_sibcall_operand): New.
(sibcall_operand): Use it.
* config/m68k/m68k.c (FL_FOR_isa_c): Not ISA_B compatible.
(m68k_isas): ISAC does not imply FPU or EMAC.
(override_options): Add ISA_C logic for symbolic jump & call.
2007-06-17 Eric Botcazou <ebotcazou@libertysurf.fr>
* config/sparc/sparc.c (sparc_vis_init_builtins): Retrieve the

22
gcc/config/m68k/m68k.c
View file

@ -233,7 +233,8 @@ struct gcc_target targetm = TARGET_INITIALIZER;
#define FL_FOR_isa_aplus (FL_FOR_isa_a | FL_ISA_APLUS | FL_CF_USP)
/* Note ISA_B doesn't necessarily include USP (user stack pointer) support. */
#define FL_FOR_isa_b (FL_FOR_isa_a | FL_ISA_B | FL_CF_HWDIV)
#define FL_FOR_isa_c (FL_FOR_isa_b | FL_ISA_C | FL_CF_USP)
/* ISA_C is not upwardly compatible with ISA_B. */
#define FL_FOR_isa_c (FL_FOR_isa_a | FL_ISA_C | FL_CF_HWDIV | FL_CF_USP)
enum m68k_isa
{
@ -563,20 +564,27 @@ override_options (void)
else if (TARGET_ID_SHARED_LIBRARY)
/* All addresses must be loaded from the GOT. */
;
else if (TARGET_68020 || TARGET_ISAB)
else if (TARGET_68020 || TARGET_ISAB || TARGET_ISAC)
{
if (TARGET_PCREL)
{
m68k_symbolic_call = "bsr.l %c0";
m68k_symbolic_jump = "bra.l %c0";
}
m68k_symbolic_call = "bsr.l %c0";
else
{
#if defined(USE_GAS)
m68k_symbolic_call = "bsr.l %p0";
m68k_symbolic_jump = "bra.l %p0";
#else
m68k_symbolic_call = "bsr %p0";
#endif
}
if (TARGET_ISAC)
/* No unconditional long branch */;
else if (TARGET_PCREL)
m68k_symbolic_jump = "bra.l %c0";
else
{
#if defined(USE_GAS)
m68k_symbolic_jump = "bra.l %p0";
#else
m68k_symbolic_jump = "bra %p0";
#endif
}

10
gcc/config/m68k/predicates.md
View file

@ -159,7 +159,7 @@
}
})
;; A constant that can be used the address in a call or sibcall insn.
;; A constant that can be used the address in a call insn
(define_predicate "const_call_operand"
(ior (match_operand 0 "const_int_operand")
(and (match_test "m68k_symbolic_call != NULL")
@ -170,9 +170,15 @@
(ior (match_operand 0 "const_call_operand")
(match_operand 0 "register_operand")))
;; A constant that can be used the address in a sibcall insn
(define_predicate "const_sibcall_operand"
(ior (match_operand 0 "const_int_operand")
(and (match_test "m68k_symbolic_jump != NULL")
(match_operand 0 "symbolic_operand"))))
;; An operand that can be used as the address in a sibcall insn.
(define_predicate "sibcall_operand"
(ior (match_operand 0 "const_call_operand")
(ior (match_operand 0 "const_sibcall_operand")
(and (match_code "reg")
(match_test "REGNO (op) == STATIC_CHAIN_REGNUM"))))