re PR target/11992 (Wrong built-in code for memcmp with length 1<<24 only (1<<24...

	PR target/11992
	* config/s390/s390.md ("*cmpmem_long_64"): Use CLCLE instruction
	instead of CLCL.
	("*cmpmem_long_31"): Likewise.

From-SVN: r74753

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 78f5984796fa3a8483d7fb4b7a7260c9f26602e3..135438cd5895611e54ecfecbbadc6e1450007041 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2003-12-17  Ulrich Weigand  <uweigand@de.ibm.com>
+
+       PR target/11992
+       * config/s390/s390.md ("*cmpmem_long_64"): Use CLCLE instruction
+       instead of CLCL.
+       ("*cmpmem_long_31"): Likewise.
+
 2003-12-16  Zack Weinberg  <zack@codesourcery.com>
 
        Backport the following patches from mainline.

diff --git a/gcc/config/s390/s390.md b/gcc/config/s390/s390.md
index 866150c76c0363f06b9e01e4d9bef309bdbd1800..a0374d453ad8707090db96ce034a07145e44e7a9 100644 (file)
--- a/gcc/config/s390/s390.md
+++ b/gcc/config/s390/s390.md
@@ -1952,10 +1952,11 @@
    (use (match_dup 2))
    (use (match_dup 3))]
   "TARGET_64BIT"
-  "clcl\\t%0,%1"
-  [(set_attr "op_type" "RR")
+  "clcle\\t%0,%1,0\;jo\\t.-4"
+  [(set_attr "op_type" "NN")
    (set_attr "atype"   "mem")
-   (set_attr "type"    "vs")])
+   (set_attr "type"    "vs")
+   (set_attr "length"  "8")])
 
 (define_insn "cmpstr_long_31"
   [(clobber (match_operand:DI 0 "register_operand" "=d"))
@@ -1966,10 +1967,11 @@
    (use (match_dup 2))
    (use (match_dup 3))]
   "!TARGET_64BIT"
-  "clcl\\t%0,%1"
-  [(set_attr "op_type" "RR")
+  "clcle\\t%0,%1,0\;jo\\t.-4"
+  [(set_attr "op_type" "NN")
    (set_attr "atype"   "mem")
-   (set_attr "type"    "vs")])
+   (set_attr "type"    "vs")
+   (set_attr "length"  "8")])
 
 ; Convert condition code to integer in range (-1, 0, 1)