2001-11-04 Alan Modra <amodra@bigpond.net.au>

        * config/rs6000/rs6000.md (load_toc_aix_{si,di}): Mark r2 as used.

2001-11-04  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_emit_move): Handle 64-bit
        mode as well.  Do not explicitly create intermediate regs.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@46777 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index ffe0d7e..639fb48 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,12 @@
+2001-11-04  Alan Modra  <amodra@bigpond.net.au>
+
+       * config/rs6000/rs6000.md (load_toc_aix_{si,di}): Mark r2 as used.
+
+2001-11-04  David Edelsohn  <edelsohn@gnu.org>
+
+       * config/rs6000/rs6000.c (rs6000_emit_move): Handle 64-bit
+       mode as well.  Do not explicitly create intermediate regs.
+
 2001-11-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 
        * arm/aof.h (aof_text_section, aof_data_section): Don't declare.

diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index 56317af..5d0fcad 100644 (file)
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -1811,17 +1811,23 @@ rs6000_emit_move (dest, source, mode)
   if (GET_CODE (operands[0]) == MEM
       && GET_CODE (operands[1]) == MEM
       && mode == DImode
-      && ! TARGET_POWERPC64
       && (SLOW_UNALIGNED_ACCESS(DImode, MEM_ALIGN(operands[0]))
          || SLOW_UNALIGNED_ACCESS(DImode, MEM_ALIGN(operands[1]))))
     {
-      rtx reg1, reg2;
-      reg1 = gen_reg_rtx(SImode);
-      reg2 = gen_reg_rtx(SImode);
-      rs6000_emit_move (reg1, simplify_subreg (SImode, operands[1], DImode, 0), SImode);
-      rs6000_emit_move (reg2, simplify_subreg (SImode, operands[1], DImode, 4), SImode);
-      rs6000_emit_move (simplify_subreg (SImode, operands[0], DImode, 0), reg1, SImode);
-      rs6000_emit_move (simplify_subreg (SImode, operands[0], DImode, 4), reg2, SImode);
+      if (!TARGET_POWERPC64)
+       {
+         emit_move_insn (simplify_subreg (SImode, operands[0], DImode, 0),
+                         simplify_subreg (SImode, operands[1], DImode, 0));
+         emit_move_insn (simplify_subreg (SImode, operands[0], DImode, 4),
+                         simplify_subreg (SImode, operands[1], DImode, 4));
+       }
+      else
+       {
+         emit_move_insn (gen_lowpart (SImode, operands[0]),
+                         gen_lowpart (SImode, operands[1]));
+         emit_move_insn (gen_highpart (SImode, operands[0]),
+                         gen_highpart (SImode, operands[1]));
+       }
       return;
     }
   

diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md
index a443c04..3d13a82 100644 (file)
--- a/gcc/config/rs6000/rs6000.md
+++ b/gcc/config/rs6000/rs6000.md
@@ -9077,8 +9077,9 @@
 ;; Code to initialize the TOC register...
 
 (define_insn "load_toc_aix_si"
-  [(set (match_operand:SI 0 "register_operand" "=r")
-       (unspec:SI [(const_int 0)] 7))]
+  [(parallel [(set (match_operand:SI 0 "register_operand" "=r")
+                  (unspec:SI [(const_int 0)] 7))
+             (use (reg:SI 2))])]
   "DEFAULT_ABI == ABI_AIX && TARGET_32BIT"
   "*
 {
@@ -9091,8 +9092,9 @@
   [(set_attr "type" "load")])
 
 (define_insn "load_toc_aix_di"
-  [(set (match_operand:DI 0 "register_operand" "=r")
-       (unspec:DI [(const_int 0)] 7))]
+  [(parallel [(set (match_operand:DI 0 "register_operand" "=r")
+                  (unspec:DI [(const_int 0)] 7))
+             (use (reg:DI 2))])]
   "DEFAULT_ABI == ABI_AIX && TARGET_64BIT"
   "*
 {