From a366a40a7effd50925bca3f0254782084cde015c Mon Sep 17 00:00:00 2001
From: Jeff Law <law@gcc.gnu.org>
Date: Sun, 23 May 1999 13:37:42 -0600
Subject: [multiple changes]

Sun May 23 20:31:16 1999  Jeffrey A Law  (law@cygnus.com)
        * loop.c (strength_reduce): Grow reg_single_usage as needed.
Sun May 23 10:13:20 1999  David O'Brien <obrien@FreeBSD.org>
        * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
        Also remove a useless comment.
Sun May 23 10:05:23 1999  Jerry Quinn <jquinn@nortelnetworks.com>
        * pa.md (negdf2,negsf2):  Use fneg instead of fsub on pa 2.0.

From-SVN: r27111
---
 gcc/ChangeLog                 | 13 +++++++++++++
 gcc/config/i386/freebsd-elf.h |  4 +---
 gcc/config/pa/pa.md           | 16 ++++++++++++++--
 gcc/loop.c                    |  1 +
 4 files changed, 29 insertions(+), 5 deletions(-)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index cbad49b..ac3e2d7 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,16 @@
+Sun May 23 20:31:16 1999  Jeffrey A Law  (law@cygnus.com)
+
+        * loop.c (strength_reduce): Grow reg_single_usage as needed.
+
+Sun May 23 10:13:20 1999  David O'Brien <obrien@FreeBSD.org>
+
+	* i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
+	Also remove a useless comment.
+
+Sun May 23 10:05:23 1999  Jerry Quinn <jquinn@nortelnetworks.com>
+
+	* pa.md (negdf2,negsf2):  Use fneg instead of fsub on pa 2.0.
+ 
 Sat May 22 21:02:06 1999  David Edelsohn  <edelsohn@gnu.org>
 
 	* collect2.c (main): Only generate import or export file and add
diff --git a/gcc/config/i386/freebsd-elf.h b/gcc/config/i386/freebsd-elf.h
index 988f6a9..35ea674 100644
--- a/gcc/config/i386/freebsd-elf.h
+++ b/gcc/config/i386/freebsd-elf.h
@@ -187,9 +187,7 @@ Boston, MA 02111-1307, USA.  */
       %{!static: \
 	%{rdynamic:-export-dynamic} \
 	%{!dynamic-linker:-dynamic-linker /usr/libexec/ld-elf.so.1}} \
-	%{static:-static}}}"
-
-/* Get perform_* macros to build libgcc.a.  */
+	%{static:-Bstatic}}}"
 
 /* A C statement to output to the stdio stream FILE an assembler
    command to advance the location counter to a multiple of 1<<LOG
diff --git a/gcc/config/pa/pa.md b/gcc/config/pa/pa.md
index 09294c4..05a1b97 100644
--- a/gcc/config/pa/pa.md
+++ b/gcc/config/pa/pa.md
@@ -3600,7 +3600,13 @@
   [(set (match_operand:DF 0 "register_operand" "=f")
 	(neg:DF (match_operand:DF 1 "register_operand" "f")))]
   "! TARGET_SOFT_FLOAT"
-  "fsub,dbl %%fr0,%1,%0"
+  "*
+{
+  if (TARGET_PA_20)
+    return \"fneg,dbl %1,%0\";
+  else
+    return \"fsub,dbl %%fr0,%1,%0\";
+}"
   [(set_attr "type" "fpalu")
    (set_attr "length" "4")])
 
@@ -3608,7 +3614,13 @@
   [(set (match_operand:SF 0 "register_operand" "=f")
 	(neg:SF (match_operand:SF 1 "register_operand" "f")))]
   "! TARGET_SOFT_FLOAT"
-  "fsub,sgl %%fr0,%1,%0"
+  "*
+{
+  if (TARGET_PA_20)
+    return \"fneg,sgl %1,%0\";
+  else
+    return \"fsub,sgl %%fr0,%1,%0\";
+}"
   [(set_attr "type" "fpalu")
    (set_attr "length" "4")])
 
diff --git a/gcc/loop.c b/gcc/loop.c
index 192461a..244d939 100644
--- a/gcc/loop.c
+++ b/gcc/loop.c
@@ -4198,6 +4198,7 @@ strength_reduce (scan_start, end, loop_top, insn_count,
 		  VARRAY_GROW (set_in_loop, nregs);
 		  VARRAY_GROW (n_times_set, nregs);
 		  VARRAY_GROW (may_not_optimize, nregs);
+		  VARRAY_GROW (reg_single_usage, nregs);
 		}
     
 	      if (! validate_change (next->insn, next->location, add_val, 0))
-- 
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