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| author | uweigand <uweigand@138bc75d-0d04-0410-961f-82ee72b054a4> | 2002-08-14 10:04:51 +0000 |
|---|---|---|
| committer | uweigand <uweigand@138bc75d-0d04-0410-961f-82ee72b054a4> | 2002-08-14 10:04:51 +0000 |
| commit | a5004c3da9d0b789d68611ec00a1f59d8f62761b (patch) | |
| tree | f8955f2da7788407bd35a092c0a414ccd029de11 /gcc/defaults.h | |
| parent | c363d230bc0490ec67a7726707d6eea248e5d5c4 (diff) | |
| download | gcc-a5004c3da9d0b789d68611ec00a1f59d8f62761b.tar.gz | |
* reload.c (find_reloads): Handle constraint letters marked by
EXTRA_ADDRESS_CONSTRAINT and EXTRA_MEMORY_CONSTRAINT.
(alternative_allows_memconst): Likewise.
* reload1.c (maybe_fix_stack_asms): Likewise.
* recog.c (asm_operand_ok, preprocess_constraints,
constrain_operands): Likewise.
* regclass.c (record_operand_costs, record_reg_classes): Likewise.
* local-alloc.c (block_alloc, requires_inout): Likewise.
* stmt.c (parse_output_constraint, parse_input_constraint): Likewise.
* defaults.h (EXTRA_MEMORY_CONSTRAINT): Provide a default.
(EXTRA_ADDRESS_CONSTRAINT): Likewise.
* doc/tm.texi: Document these two new target macros.
* config/s390/s390.c (s390_expand_plus_operand): Accept already
valid operands.
(q_constraint): New function.
config/s390/s390-protos.h (q_constraint): Declare it.
config/s390/s390.h (EXTRA_CONSTRAINT): Use it.
(EXTRA_MEMORY_CONSTRAINT): New macro.
* config/s390/s390.md: Throughout the machine description,
replace all instances of the constraint combinations 'Qo'
or 'oQ' with simply 'Q'.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@56291 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/defaults.h')
| -rw-r--r-- | gcc/defaults.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/defaults.h b/gcc/defaults.h index 115cc01b403..ae115b887fd 100644 --- a/gcc/defaults.h +++ b/gcc/defaults.h @@ -590,4 +590,16 @@ You Lose! You must define PREFERRED_DEBUGGING_TYPE! #define DEFAULT_USE_CXA_ATEXIT 0 #endif +/* Determine whether extra constraint letter should be handled + via address reload (like 'o'). */ +#ifndef EXTRA_MEMORY_CONSTRAINT +#define EXTRA_MEMORY_CONSTRAINT(C) 0 +#endif + +/* Determine whether extra constraint letter should be handled + as an address (like 'p'). */ +#ifndef EXTRA_ADDRESS_CONSTRAINT +#define EXTRA_ADDRESS_CONSTRAINT(C) 0 +#endif + #endif /* ! GCC_DEFAULTS_H */ |