c4x.md (not_repeat_reg): Allow ldp instruction in delay slot of RPTBD.

	* config/c4x/c4x.md (not_repeat_reg): Allow ldp instruction
	in delay slot of RPTBD.

From-SVN: r24682

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 1df7421..bb0b57c 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,13 @@
+Sat Jan 16 12:47:15 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+       * config/c4x/c4x.md (not_repeat_reg): Allow ldp instruction
+       in delay slot of RPTBD.
+
+Sat Jan 16 12:26:40 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+       * config/c4x/libgcc.S (___divhi3, ___modhi3): Fix long long
+       divide and modulo sign problem.
+
 Fri Jan 15 11:02:31 1999   Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
 
        * unroll.c (loop_iterations): Return 0 if the last loop insn

diff --git a/gcc/config/c4x/c4x.md b/gcc/config/c4x/c4x.md
index 50c1a32..7d85854 100644 (file)
--- a/gcc/config/c4x/c4x.md
+++ b/gcc/config/c4x/c4x.md
@@ -342,7 +342,7 @@
              (const_string "false")))
 
 (define_attr "not_repeat_reg" "false,true"
-       (cond [(eq_attr "type" "unary,unarycc,compare,lda,store")
+       (cond [(eq_attr "type" "unary,unarycc,compare,lda,ldp,store")
                        (if_then_else (and (match_operand 0 "not_rc_reg" "")
                                           (match_operand 1 "not_rc_reg" ""))
                                      (const_string "true") (const_string "false"))
@@ -353,6 +353,9 @@
                                      (const_string "true") (const_string "false"))]
              (const_string "false")))
 
+/* Disable compare because the c4x contains a bug. The cmpi insn sets the CC
+   in the read phase of the pipeline instead of the execution phase when
+   two registers are compared.  */
 (define_attr "in_annul_slot_1" "false,true"
   (if_then_else (and (and (eq_attr "cpu" "c4x")
                          (eq_attr "type" "!jump,call,rets,jmpc,compare,db,dbc,repeat,repeat_top,laj,push,pop,lda,ldp,multi"))