re PR target/28508 (Assembler Error: operand out of range (145 not between -128…

re PR target/28508 (Assembler Error: operand out of range (145 not between -128 and 127) form m32r-target)

PR gcc/28508
* config/m32r/m32r.md (branch_insn): Reduce pc range for short branch.
 (rev_branch_insn): Likewise.

From-SVN: r115773

gcc/ChangeLog

+2006-07-27  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
+
+	PR gcc/28508
+	* config/m32r/m32r.md (branch_insn): Reduce pc range for short
+	branch.
+	(rev_branch_insn): Likewise.
+
 2006-07-27  Jan Hubicka  <jh@suse.cz>
 
 	PR rtl-optimization/28071

gcc/config/m32r/m32r.md

@@ -1378,15 +1378,16 @@
   return instruction;
 }"
   [(set_attr "type" "branch")
-   ; We use 400/800 instead of 512,1024 to account for inaccurate insn
+   ; cf PR gcc/28508
+   ; We use 300/600 instead of 512,1024 to account for inaccurate insn
    ; lengths and insn alignments that are complex to track.
    ; It's not important that we be hyper-precise here.  It may be more
    ; important blah blah blah when the chip supports parallel execution
    ; blah blah blah but until then blah blah blah this is simple and
    ; suffices.
    (set (attr "length") (if_then_else (ltu (plus (minus (match_dup 0) (pc))
-						 (const_int 400))
-					   (const_int 800))
+						 (const_int 300))
+					   (const_int 600))
 				      (const_int 2)
 				      (const_int 4)))])
 
@@ -1407,15 +1408,16 @@
   return instruction;
 }"
   [(set_attr "type" "branch")
-   ; We use 400/800 instead of 512,1024 to account for inaccurate insn
+   ; cf PR gcc/28508
+   ; We use 300/600 instead of 512,1024 to account for inaccurate insn
    ; lengths and insn alignments that are complex to track.
    ; It's not important that we be hyper-precise here.  It may be more
    ; important blah blah blah when the chip supports parallel execution
    ; blah blah blah but until then blah blah blah this is simple and
    ; suffices.
    (set (attr "length") (if_then_else (ltu (plus (minus (match_dup 0) (pc))
-						 (const_int 400))
-					   (const_int 800))
+						 (const_int 300))
+					   (const_int 600))
 				      (const_int 2)
 				      (const_int 4)))])