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authorkazu <kazu@138bc75d-0d04-0410-961f-82ee72b054a4>2003-01-13 13:20:27 +0000
committerkazu <kazu@138bc75d-0d04-0410-961f-82ee72b054a4>2003-01-13 13:20:27 +0000
commit0c90f90154b0ee027c1414ef6ef8ae7da70d4f63 (patch)
treecc358b9be040e0c70b3be32259d348e4ce3a019a
parentf0e48d6f059d4a17d097eb9496ddbed28b9bfaee (diff)
downloadppe42-gcc-0c90f90154b0ee027c1414ef6ef8ae7da70d4f63.tar.gz
ppe42-gcc-0c90f90154b0ee027c1414ef6ef8ae7da70d4f63.zip
* config/h8300/h8300.md (*andsi3_lshift_n_sb): New.
(*iorsi3_and_lshiftrt_n_sb): Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@61251 138bc75d-0d04-0410-961f-82ee72b054a4
-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/config/h8300/h8300.md29
2 files changed, 34 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index efcc6353783..32e95b16239 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2003-01-13 Kazu Hirata <kazu@cs.umass.edu>
+
+ * config/h8300/h8300.md (*andsi3_lshift_n_sb): New.
+ (*iorsi3_and_lshiftrt_n_sb): Likewise.
+
2003-01-12 Mark Mitchell <mark@codesourcery.com>
PR c++/9264
diff --git a/gcc/config/h8300/h8300.md b/gcc/config/h8300/h8300.md
index 66c79e7d41b..5b38e049b93 100644
--- a/gcc/config/h8300/h8300.md
+++ b/gcc/config/h8300/h8300.md
@@ -2598,6 +2598,24 @@
(clobber (scratch:QI))])]
"")
+;; Accept (A >> 30) & 2 and the like.
+
+(define_insn "*andsi3_lshiftrt_n_sb"
+ [(set (match_operand:SI 0 "register_operand" "=r")
+ (and:SI (lshiftrt:SI (match_operand:SI 1 "register_operand" "0")
+ (match_operand:SI 2 "const_int_operand" "n"))
+ (match_operand:SI 3 "single_one_operand" "n")))]
+ "(TARGET_H8300H || TARGET_H8300S)
+ && exact_log2 (INTVAL (operands[3])) < 16
+ && INTVAL (operands[2]) + exact_log2 (INTVAL (operands[3])) == 31"
+ "*
+{
+ operands[3] = GEN_INT (exact_log2 (INTVAL (operands[3])));
+ return \"shll.l\\t%S0\;xor.l\\t%S0,%S0\;bst\\t%Z3,%Y0\";
+}"
+ [(set_attr "length" "8")
+ (set_attr "cc" "clobber")])
+
;; plus:SI
(define_insn "*addsi3_upper"
@@ -2711,6 +2729,17 @@
[(set_attr "length" "6")
(set_attr "cc" "set_znv")])
+(define_insn "*iorsi3_and_lshiftrt_n_sb"
+ [(set (match_operand:SI 0 "register_operand" "=r")
+ (ior:SI (and:SI (lshiftrt:SI (match_operand:SI 1 "register_operand" "r")
+ (const_int 30))
+ (const_int 2))
+ (match_operand:SI 2 "register_operand" "0")))]
+ "(TARGET_H8300H || TARGET_H8300S)"
+ "rotl.l\\t%S1\;rotr.l\\t%S1\;bor\\t#1,%w0\;bst\\t#1,%w0"
+ [(set_attr "length" "8")
+ (set_attr "cc" "clobber")])
+
;; Used to OR the exponent of a float.
(define_insn "*iorsi3_shift"
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