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| author | Richard Henderson <rth@cygnus.com> | 2000-08-28 17:44:21 -0700 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2000-08-28 17:44:21 -0700 |
| commit | c2cba7a96e04069011ae508e3027bbf128208040 (patch) | |
| tree | d7a7f8b66cdb1d768634a359009e273bb3b645dd /gcc/reload.c | |
| parent | 881c6935bf565020e7955fede0b186232aa30bc7 (diff) | |
| download | gcc-c2cba7a96e04069011ae508e3027bbf128208040.zip gcc-c2cba7a96e04069011ae508e3027bbf128208040.tar.gz gcc-c2cba7a96e04069011ae508e3027bbf128208040.tar.bz2 | |
local-alloc.c (requires_inout): Don't use reserved range for EXTRA_CONSTRAINTS...
* local-alloc.c (requires_inout): Don't use reserved range for
EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
* recog.c (asm_operand_ok): Likewise.
(preprocess_constraints, constrain_operands): Likewise.
* regclass.c (record_reg_classes): Likewise.
* reload.c (find_reloads): Likewise.
* reload1.c (maybe_fix_stack_asms): Likewise.
(reload_cse_simplify_operands): Likewise.
* stmt.c (expand_asm_operands): Likewise.
* md.texi: Update constraints documentation.
* tm.texi (EXTRA_CONSTRAINT): Update.
From-SVN: r36023
Diffstat (limited to 'gcc/reload.c')
| -rw-r--r-- | gcc/reload.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/gcc/reload.c b/gcc/reload.c index 4dd36f0..e2eccf6 100644 --- a/gcc/reload.c +++ b/gcc/reload.c @@ -3142,21 +3142,18 @@ find_reloads (insn, replace, ind_levels, live_known, reload_reg_p) = (int) reg_class_subunion[this_alternative[i]][(int) GENERAL_REGS]; goto reg; + default: + if (REG_CLASS_FROM_LETTER (c) == NO_REGS) + { #ifdef EXTRA_CONSTRAINT - case 'Q': - case 'R': - case 'S': - case 'T': - case 'U': - if (EXTRA_CONSTRAINT (operand, c)) - win = 1; - break; + if (EXTRA_CONSTRAINT (operand, c)) + win = 1; #endif + break; + } - default: this_alternative[i] = (int) reg_class_subunion[this_alternative[i]][(int) REG_CLASS_FROM_LETTER (c)]; - reg: if (GET_MODE (operand) == BLKmode) break; |