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| author | Richard Henderson <rth@redhat.com> | 2011-01-11 10:26:16 -0800 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2011-01-11 10:26:16 -0800 |
| commit | a5c727e3babe7dfdb78652074dcefbedb10ab1a0 (patch) | |
| tree | fbc32e2691ce42505226d2ccaa4712315ecc27f5 | |
| parent | 0d9e23f4eee0ad4c8932e099cbed6233106fe0bf (diff) | |
| download | gcc-a5c727e3babe7dfdb78652074dcefbedb10ab1a0.zip gcc-a5c727e3babe7dfdb78652074dcefbedb10ab1a0.tar.gz gcc-a5c727e3babe7dfdb78652074dcefbedb10ab1a0.tar.bz2 | |
mn10300: Add attribute enabled.
This will allow merging am33 and mn103 patterns for which the
set of alternatives can't be merged via constraint letters.
From-SVN: r168674
| -rw-r--r-- | gcc/ChangeLog | 3 | ||||
| -rw-r--r-- | gcc/config/mn10300/mn10300.md | 22 |
2 files changed, 25 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index ddcb3bc..8d5fb42 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,8 @@ 2011-01-11 Richard Henderson <rth@redhat.com> + * config/mn10300/mn10300.md (isa): New attribute. + (enabled): New attribute. + * config/mn10300/mn10300.md (absdf2, negdf2): Remove. (abssf2, negsf2): Define only for hardware fp. (sqrtsf2): Reformat. diff --git a/gcc/config/mn10300/mn10300.md b/gcc/config/mn10300/mn10300.md index 3a266960..bfa453f 100644 --- a/gcc/config/mn10300/mn10300.md +++ b/gcc/config/mn10300/mn10300.md @@ -46,6 +46,28 @@ (define_attr "cpu" "mn10300,am33,am33_2,am34" (const (symbol_ref "(enum attr_cpu) mn10300_tune_cpu"))) +;; Used to control the "enabled" attribute on a per-instruction basis. +(define_attr "isa" "base,am33,am33_2,am34" + (const_string "base")) + +(define_attr "enabled" "" + (cond [(eq_attr "isa" "base") + (const_int 1) + + (and (eq_attr "isa" "am33") + (ne (symbol_ref "TARGET_AM33") (const_int 0))) + (const_int 1) + + (and (eq_attr "isa" "am33_2") + (ne (symbol_ref "TARGET_AM33_2") (const_int 0))) + (const_int 1) + + (and (eq_attr "isa" "am34") + (ne (symbol_ref "TARGET_AM34") (const_int 0))) + (const_int 1) + ] + (const_int 0)) +) ;; Pipeline description. |