From: Eric Botcazou <ebotcazou@libertysurf.fr>
Date: Wed, 12 Mar 2003 09:42:00 +0000 (+0100)
Subject: re PR rtl-optimization/9888 (-mcpu=k6 -Os produces out of range loop instructions)
X-Git-Tag: releases/gcc-3.2.3~124
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=64c28c3e6d06f87c89ad051ca3cdc0fec1e75c60;p=thirdparty%2Fgcc.git

re PR rtl-optimization/9888 (-mcpu=k6 -Os produces out of range loop instructions)

	PR optimization/9888
	* config/i386/i386.md (jcc_1): Fix range.
	(jcc_2): Likewise.
	(jump): LIkewise.
	(doloop_end_internal): Likewise.

From-SVN: r64234
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 972e5abb40a3..031a1b34494a 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,11 @@
+2003-03-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
+
+	PR optimization/9888
+	* config/i386/i386.md (jcc_1): Fix range.
+	(jcc_2): Likewise.
+	(jump): LIkewise.
+	(doloop_end_internal): Likewise.
+
 2003-03-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
 
 	PR optimization/9888
diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md
index ed497f0b0e08..13a830be09a3 100644
--- a/gcc/config/i386/i386.md
+++ b/gcc/config/i386/i386.md
@@ -12955,9 +12955,9 @@
    (set_attr "modrm" "0")
    (set (attr "length")
 	   (if_then_else (and (ge (minus (match_dup 0) (pc))
-				  (const_int -128))
+				  (const_int -126))
 			      (lt (minus (match_dup 0) (pc))
-				  (const_int 124)))
+				  (const_int 128)))
 	     (const_int 2)
 	     (const_int 6)))])
 
@@ -12973,9 +12973,9 @@
    (set_attr "modrm" "0")
    (set (attr "length")
 	   (if_then_else (and (ge (minus (match_dup 0) (pc))
-				  (const_int -128))
+				  (const_int -126))
 			      (lt (minus (match_dup 0) (pc))
-				  (const_int 124)))
+				  (const_int 128)))
 	     (const_int 2)
 	     (const_int 6)))])
 
@@ -13240,9 +13240,9 @@
   [(set_attr "type" "ibr")
    (set (attr "length")
 	   (if_then_else (and (ge (minus (match_dup 0) (pc))
-				  (const_int -128))
+				  (const_int -126))
 			      (lt (minus (match_dup 0) (pc))
-				  (const_int 124)))
+				  (const_int 128)))
 	     (const_int 2)
 	     (const_int 5)))
    (set_attr "modrm" "0")])
@@ -13361,9 +13361,9 @@
    (set (attr "length")
 	(if_then_else (and (eq_attr "alternative" "0")
 			   (and (ge (minus (match_dup 0) (pc))
-			            (const_int -128))
+			            (const_int -126))
 			        (lt (minus (match_dup 0) (pc))
-			            (const_int 124))))
+			            (const_int 128))))
 		      (const_int 2)
 		      (const_int 16)))
    ;; We don't know the type before shorten branches.  Optimistically expect
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 97a86d1e6e3a..7d877607d4de 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2003-03-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
+
+	* gcc.dg/i386-loop-2.c: New test.
+
 2003-03-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
 
 	* gcc.dg/i386-loop-1.c: New test.
diff --git a/gcc/testsuite/gcc.dg/i386-loop-2.c b/gcc/testsuite/gcc.dg/i386-loop-2.c
index 3a3e69e98b4f..9c87d8b840c1 100644
--- a/gcc/testsuite/gcc.dg/i386-loop-2.c
+++ b/gcc/testsuite/gcc.dg/i386-loop-2.c
@@ -1,7 +1,7 @@
 /* PR optimization/9888 */
 /* Originator: Jim Bray <jb@as220.org> */
 /* { dg-do run { target i?86-*-* } } */
-/* { dg-options "-mtune=k6 -Os" } */
+/* { dg-options "-mcpu=k6 -Os" } */
 
 enum reload_type
 {