re PR target/14209 (Bug in cris.md, shrinking access size of postincrement.)

	PR target/14209
	* config/cris/cris.md ("*andsi_movu", "*andhi_movu"): Tweak
	constraints to not match postincrement.  Adjust the predicate to
	exclude a volatile memory reference.

From-SVN: r78095

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index a841cb783bd3b90a555786c4de8f810e247e7234..90bf8d50d55731363937d0789c55d9f2414a4f1c 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2004-02-19  Hans-Peter Nilsson  <hp@axis.com>
+
+       PR target/14209
+       * config/cris/cris.md ("*andsi_movu", "*andhi_movu"): Tweak
+       constraints to not match postincrement.  Adjust the predicate to
+       exclude a volatile memory reference.
+
 2004-02-19  Kazu Hirata  <kazu@cs.umass.edu>
 
        * config/mcore/mcore.h (ASM_OUTPUT_EXTERNAL): Remove.

diff --git a/gcc/config/cris/cris.md b/gcc/config/cris/cris.md
index ea41aaf539efc40aa11ca36e69e4a9b10da3f962..a3b7de5bb782e73db67a6d049982f437a19e3854 100644 (file)
--- a/gcc/config/cris/cris.md
+++ b/gcc/config/cris/cris.md
@@ -2683,9 +2683,10 @@
 
 (define_insn "*andsi_movu"
   [(set (match_operand:SI 0 "register_operand" "=r,r,r")
-       (and:SI (match_operand:SI 1 "nonimmediate_operand" "%r,Q>,m")
+       (and:SI (match_operand:SI 1 "nonimmediate_operand" "%r,Q,To")
                (match_operand:SI 2 "const_int_operand" "n,n,n")))]
-  "INTVAL (operands[2]) == 255 || INTVAL (operands[2]) == 65535"
+  "INTVAL (operands[2]) == 255 || INTVAL (operands[2]) == 65535
+   && (GET_CODE (operands[1]) != MEM || ! MEM_VOLATILE_P (operands[1]))"
   "movu.%z2 %1,%0"
   [(set_attr "slottable" "yes,yes,no")])
 
@@ -2771,9 +2772,9 @@
 
 (define_insn "*andhi_movu"
   [(set (match_operand:HI 0 "register_operand" "=r,r,r")
-       (and:HI (match_operand:HI 1 "nonimmediate_operand" "r,Q>,m")
+       (and:HI (match_operand:HI 1 "nonimmediate_operand" "r,Q,To")
                (const_int 255)))]
-  ""
+  "GET_CODE (operands[1]) != MEM || ! MEM_VOLATILE_P (operands[1])"
   "mOvu.b %1,%0"
   [(set_attr "slottable" "yes,yes,no")])