diff options
| author | Ulrich Weigand <uweigand@de.ibm.com> | 2002-08-14 10:04:51 +0000 |
|---|---|---|
| committer | Ulrich Weigand <uweigand@gcc.gnu.org> | 2002-08-14 10:04:51 +0000 |
| commit | ccfc6cc8fa5ab66c0e2dede177aa5b1010523ffc (patch) | |
| tree | f8955f2da7788407bd35a092c0a414ccd029de11 /gcc/reload1.c | |
| parent | 72c41e5adc70750cee23e185d6cbadb3950a5b2d (diff) | |
| download | gcc-ccfc6cc8fa5ab66c0e2dede177aa5b1010523ffc.tar.gz | |
reload.c (find_reloads): Handle constraint letters marked by EXTRA_ADDRESS_CONSTRAINT and...
* 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'.
From-SVN: r56291
Diffstat (limited to 'gcc/reload1.c')
| -rw-r--r-- | gcc/reload1.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/gcc/reload1.c b/gcc/reload1.c index 23ab50f1570..58b0bd04bce 100644 --- a/gcc/reload1.c +++ b/gcc/reload1.c @@ -1380,8 +1380,12 @@ maybe_fix_stack_asms () break; default: - cls = (int) reg_class_subunion[cls][(int) REG_CLASS_FROM_LETTER (c)]; - + if (EXTRA_ADDRESS_CONSTRAINT (c)) + cls = (int) reg_class_subunion[cls] + [(int) MODE_BASE_REG_CLASS (VOIDmode)]; + else + cls = (int) reg_class_subunion[cls] + [(int) REG_CLASS_FROM_LETTER (c)]; } } } |