aboutsummaryrefslogtreecommitdiff
path: root/gcc/config
diff options
context:
space:
mode:
authorKazu Hirata <kazu@cs.umass.edu>2002-11-28 18:02:46 +0000
committerKazu Hirata <kazu@gcc.gnu.org>2002-11-28 18:02:46 +0000
commit7957fde4e8d6657c68541f099803762795575cda (patch)
treeda7995218d0ef3c983fd57bb9f7dd38b07bd7d95 /gcc/config
parente7c79ef9c9beb9ca38c4890c26b24bfdb0fdb5e2 (diff)
downloadgcc-7957fde4e8d6657c68541f099803762795575cda.zip
gcc-7957fde4e8d6657c68541f099803762795575cda.tar.gz
gcc-7957fde4e8d6657c68541f099803762795575cda.tar.bz2
* config/h8300/h8300.md (6 new peephole2 patterns): New.
From-SVN: r59611
Diffstat (limited to 'gcc/config')
-rw-r--r--gcc/config/h8300/h8300.md124
1 files changed, 124 insertions, 0 deletions
diff --git a/gcc/config/h8300/h8300.md b/gcc/config/h8300/h8300.md
index a260083..182e9f1 100644
--- a/gcc/config/h8300/h8300.md
+++ b/gcc/config/h8300/h8300.md
@@ -2330,3 +2330,127 @@
(label_ref (match_dup 1))
(pc)))]
"")
+
+;; -----------------------------------------------------------------
+;; PEEPHOLE PATTERNS
+;; -----------------------------------------------------------------
+
+(define_peephole2
+ [(parallel
+ [(set (match_operand:HI 0 "register_operand" "")
+ (lshiftrt:HI (match_dup 0)
+ (match_operand:HI 1 "const_int_operand" "")))
+ (clobber (match_operand:HI 2 "" ""))])
+ (set (match_dup 0)
+ (and:HI (match_dup 0)
+ (match_operand:HI 3 "const_int_operand" "")))]
+ "INTVAL (operands[3]) == (255 >> INTVAL (operands[1]))"
+ [(set (match_dup 0)
+ (and:HI (match_dup 0)
+ (const_int 255)))
+ (parallel
+ [(set (match_dup 0)
+ (lshiftrt:HI (match_dup 0)
+ (match_dup 1)))
+ (clobber (match_dup 2))])]
+ "")
+
+(define_peephole2
+ [(parallel
+ [(set (match_operand:HI 0 "register_operand" "")
+ (ashift:HI (match_dup 0)
+ (match_operand:HI 1 "const_int_operand" "")))
+ (clobber (match_operand:HI 2 "" ""))])
+ (set (match_dup 0)
+ (and:HI (match_dup 0)
+ (match_operand:HI 3 "const_int_operand" "")))]
+ "INTVAL (operands[3]) == (255 << INTVAL (operands[1]))"
+ [(set (match_dup 0)
+ (and:HI (match_dup 0)
+ (const_int 255)))
+ (parallel
+ [(set (match_dup 0)
+ (ashift:HI (match_dup 0)
+ (match_dup 1)))
+ (clobber (match_dup 2))])]
+ "")
+
+(define_peephole2
+ [(parallel
+ [(set (match_operand:SI 0 "register_operand" "")
+ (lshiftrt:SI (match_dup 0)
+ (match_operand:SI 1 "const_int_operand" "")))
+ (clobber (match_operand:SI 2 "" ""))])
+ (set (match_dup 0)
+ (and:SI (match_dup 0)
+ (match_operand:SI 3 "const_int_operand" "")))]
+ "INTVAL (operands[3]) == (255 >> INTVAL (operands[1]))"
+ [(set (match_dup 0)
+ (and:SI (match_dup 0)
+ (const_int 255)))
+ (parallel
+ [(set (match_dup 0)
+ (lshiftrt:SI (match_dup 0)
+ (match_dup 1)))
+ (clobber (match_dup 2))])]
+ "")
+
+(define_peephole2
+ [(parallel
+ [(set (match_operand:SI 0 "register_operand" "")
+ (ashift:SI (match_dup 0)
+ (match_operand:SI 1 "const_int_operand" "")))
+ (clobber (match_operand:SI 2 "" ""))])
+ (set (match_dup 0)
+ (and:SI (match_dup 0)
+ (match_operand:SI 3 "const_int_operand" "")))]
+ "INTVAL (operands[3]) == (255 << INTVAL (operands[1]))"
+ [(set (match_dup 0)
+ (and:SI (match_dup 0)
+ (const_int 255)))
+ (parallel
+ [(set (match_dup 0)
+ (ashift:SI (match_dup 0)
+ (match_dup 1)))
+ (clobber (match_dup 2))])]
+ "")
+
+(define_peephole2
+ [(parallel
+ [(set (match_operand:SI 0 "register_operand" "")
+ (lshiftrt:SI (match_dup 0)
+ (match_operand:SI 1 "const_int_operand" "")))
+ (clobber (match_operand:SI 2 "" ""))])
+ (set (match_dup 0)
+ (and:SI (match_dup 0)
+ (match_operand:SI 3 "const_int_operand" "")))]
+ "INTVAL (operands[3]) == (65535 >> INTVAL (operands[1]))"
+ [(set (match_dup 0)
+ (and:SI (match_dup 0)
+ (const_int 65535)))
+ (parallel
+ [(set (match_dup 0)
+ (lshiftrt:SI (match_dup 0)
+ (match_dup 1)))
+ (clobber (match_dup 2))])]
+ "")
+
+(define_peephole2
+ [(parallel
+ [(set (match_operand:SI 0 "register_operand" "")
+ (ashift:SI (match_dup 0)
+ (match_operand:SI 1 "const_int_operand" "")))
+ (clobber (match_operand:SI 2 "" ""))])
+ (set (match_dup 0)
+ (and:SI (match_dup 0)
+ (match_operand:SI 3 "const_int_operand" "")))]
+ "INTVAL (operands[3]) == (65535 << INTVAL (operands[1]))"
+ [(set (match_dup 0)
+ (and:SI (match_dup 0)
+ (const_int 65535)))
+ (parallel
+ [(set (match_dup 0)
+ (ashift:SI (match_dup 0)
+ (match_dup 1)))
+ (clobber (match_dup 2))])]
+ "")