* config/rs6000/rs6000.c (rs6000_emit_load_toc_table): Remove "if"

	nesting.  Correct test for non-PowerPC64 ELF ABI_AIX.
	* config/rs6000/rs6000.md (load_toc_v4_PIC*): Disable when ABI_AIX.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@57086 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 794bf25..bad52ca 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2002-09-13  Alan Modra  <amodra@bigpond.net.au>
+
+       * config/rs6000/rs6000.c (rs6000_emit_load_toc_table): Remove "if"
+       nesting.  Correct test for non-PowerPC64 ELF ABI_AIX.
+       * config/rs6000/rs6000.md (load_toc_v4_PIC*): Disable when ABI_AIX.
+
 2002-09-12  Zack Weinberg  <zack@codesourcery.com>
 
        * toplev.c: Move default definition of USER_LABEL_PREFIX...

diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index 7195ce9..b4fc13d 100644 (file)
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -9495,91 +9495,88 @@ rs6000_emit_load_toc_table (fromprolog)
   rtx dest;
   dest = gen_rtx_REG (Pmode, RS6000_PIC_OFFSET_TABLE_REGNUM);
 
-  if (TARGET_ELF && DEFAULT_ABI != ABI_AIX)
+  if (TARGET_ELF && DEFAULT_ABI == ABI_V4 && flag_pic == 1)
     {
-      if (DEFAULT_ABI == ABI_V4 && flag_pic == 1)
+      rtx temp = (fromprolog
+                 ? gen_rtx_REG (Pmode, LINK_REGISTER_REGNUM)
+                 : gen_reg_rtx (Pmode));
+      rs6000_maybe_dead (emit_insn (gen_load_toc_v4_pic_si (temp)));
+      rs6000_maybe_dead (emit_move_insn (dest, temp));
+    }
+  else if (TARGET_ELF && DEFAULT_ABI != ABI_AIX && flag_pic == 2)
+    {
+      char buf[30];
+      rtx tempLR = (fromprolog
+                   ? gen_rtx_REG (Pmode, LINK_REGISTER_REGNUM)
+                   : gen_reg_rtx (Pmode));
+      rtx temp0 = (fromprolog
+                  ? gen_rtx_REG (Pmode, 0)
+                  : gen_reg_rtx (Pmode));
+      rtx symF;
+
+      /* possibly create the toc section */
+      if (! toc_initialized)
        {
-         rtx temp = (fromprolog 
-                     ? gen_rtx_REG (Pmode, LINK_REGISTER_REGNUM)
-                     : gen_reg_rtx (Pmode));
-         rs6000_maybe_dead (emit_insn (gen_load_toc_v4_pic_si (temp)));
-         rs6000_maybe_dead (emit_move_insn (dest, temp));
+         toc_section ();
+         function_section (current_function_decl);
        }
-      else if (flag_pic == 2)
-        {
-         char buf[30];
-         rtx tempLR = (fromprolog 
-                       ? gen_rtx_REG (Pmode, LINK_REGISTER_REGNUM)
-                       : gen_reg_rtx (Pmode));
-         rtx temp0 = (fromprolog
-                       ? gen_rtx_REG (Pmode, 0)
-                       : gen_reg_rtx (Pmode));
-         rtx symF;
-
-         /* possibly create the toc section */
-         if (! toc_initialized)
-           {
-             toc_section ();
-             function_section (current_function_decl);
-           }
-  
-         if (fromprolog)
-           {
-             rtx symL;
-         
-             ASM_GENERATE_INTERNAL_LABEL (buf, "LCF", rs6000_pic_labelno);
-             symF = gen_rtx_SYMBOL_REF (Pmode, ggc_strdup (buf));
-
-             ASM_GENERATE_INTERNAL_LABEL (buf, "LCL", rs6000_pic_labelno);
-             symL = gen_rtx_SYMBOL_REF (Pmode, ggc_strdup (buf));
-
-             rs6000_maybe_dead (emit_insn (gen_load_toc_v4_PIC_1 (tempLR, 
-                                                                  symF)));
-             rs6000_maybe_dead (emit_move_insn (dest, tempLR));
-             rs6000_maybe_dead (emit_insn (gen_load_toc_v4_PIC_2 (temp0, dest,
-                                                                  symL,
-                                                                  symF)));
-           }
-         else
-           {
-             rtx tocsym;
-             static int reload_toc_labelno = 0;
 
-             tocsym = gen_rtx_SYMBOL_REF (Pmode, toc_label_name);
+      if (fromprolog)
+       {
+         rtx symL;
 
-             ASM_GENERATE_INTERNAL_LABEL (buf, "LCG", reload_toc_labelno++);
-             symF = gen_rtx_SYMBOL_REF (Pmode, ggc_strdup (buf));
+         ASM_GENERATE_INTERNAL_LABEL (buf, "LCF", rs6000_pic_labelno);
+         symF = gen_rtx_SYMBOL_REF (Pmode, ggc_strdup (buf));
 
-             rs6000_maybe_dead (emit_insn (gen_load_toc_v4_PIC_1b (tempLR, 
-                                                                   symF, 
-                                                                   tocsym)));
-             rs6000_maybe_dead (emit_move_insn (dest, tempLR));
-             rs6000_maybe_dead (emit_move_insn (temp0, 
-                                                gen_rtx_MEM (Pmode, dest)));
-           }
-         rs6000_maybe_dead (emit_insn (gen_addsi3 (dest, temp0, dest)));
-       }
-      else if (flag_pic == 0 && TARGET_MINIMAL_TOC)
-        {
-         /* This is for AIX code running in non-PIC ELF.  */
-         char buf[30];
-         rtx realsym;
-         ASM_GENERATE_INTERNAL_LABEL (buf, "LCTOC", 1);
-         realsym = gen_rtx_SYMBOL_REF (Pmode, ggc_strdup (buf));
-         
-         rs6000_maybe_dead (emit_insn (gen_elf_high (dest, realsym)));
-         rs6000_maybe_dead (emit_insn (gen_elf_low (dest, dest, realsym)));
+         ASM_GENERATE_INTERNAL_LABEL (buf, "LCL", rs6000_pic_labelno);
+         symL = gen_rtx_SYMBOL_REF (Pmode, ggc_strdup (buf));
+
+         rs6000_maybe_dead (emit_insn (gen_load_toc_v4_PIC_1 (tempLR,
+                                                              symF)));
+         rs6000_maybe_dead (emit_move_insn (dest, tempLR));
+         rs6000_maybe_dead (emit_insn (gen_load_toc_v4_PIC_2 (temp0, dest,
+                                                              symL,
+                                                              symF)));
        }
       else
-        abort ();
+       {
+         rtx tocsym;
+         static int reload_toc_labelno = 0;
+
+         tocsym = gen_rtx_SYMBOL_REF (Pmode, toc_label_name);
+
+         ASM_GENERATE_INTERNAL_LABEL (buf, "LCG", reload_toc_labelno++);
+         symF = gen_rtx_SYMBOL_REF (Pmode, ggc_strdup (buf));
+
+         rs6000_maybe_dead (emit_insn (gen_load_toc_v4_PIC_1b (tempLR,
+                                                               symF,
+                                                               tocsym)));
+         rs6000_maybe_dead (emit_move_insn (dest, tempLR));
+         rs6000_maybe_dead (emit_move_insn (temp0,
+                                            gen_rtx_MEM (Pmode, dest)));
+       }
+      rs6000_maybe_dead (emit_insn (gen_addsi3 (dest, temp0, dest)));
     }
-  else
+  else if (TARGET_ELF && !TARGET_AIX && flag_pic == 0 && TARGET_MINIMAL_TOC)
+    {
+      /* This is for AIX code running in non-PIC ELF32.  */
+      char buf[30];
+      rtx realsym;
+      ASM_GENERATE_INTERNAL_LABEL (buf, "LCTOC", 1);
+      realsym = gen_rtx_SYMBOL_REF (Pmode, ggc_strdup (buf));
+
+      rs6000_maybe_dead (emit_insn (gen_elf_high (dest, realsym)));
+      rs6000_maybe_dead (emit_insn (gen_elf_low (dest, dest, realsym)));
+    }
+  else if (DEFAULT_ABI == ABI_AIX)
     {
       if (TARGET_32BIT)
-        rs6000_maybe_dead (emit_insn (gen_load_toc_aix_si (dest)));
+       rs6000_maybe_dead (emit_insn (gen_load_toc_aix_si (dest)));
       else
-        rs6000_maybe_dead (emit_insn (gen_load_toc_aix_di (dest)));
+       rs6000_maybe_dead (emit_insn (gen_load_toc_aix_di (dest)));
     }
+  else
+    abort ();
 }
 
 int   

diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md
index 7c564a4..270d82e 100644 (file)
--- a/gcc/config/rs6000/rs6000.md
+++ b/gcc/config/rs6000/rs6000.md
@@ -10151,7 +10151,7 @@
   [(set (match_operand:SI 0 "register_operand" "=l")
        (match_operand:SI 1 "immediate_operand" "s"))
    (unspec [(match_dup 1)] 7)]
-  "TARGET_ELF && flag_pic == 2"
+  "TARGET_ELF && DEFAULT_ABI != ABI_AIX && flag_pic == 2"
   "bl %1\\n%1:"
   [(set_attr "type" "branch")
    (set_attr "length" "4")])
@@ -10160,7 +10160,7 @@
   [(set (match_operand:SI 0 "register_operand" "=l")
        (match_operand:SI 1 "immediate_operand" "s"))
    (unspec [(match_dup 1) (match_operand 2 "immediate_operand" "s")] 6)]
-  "TARGET_ELF && flag_pic == 2"
+  "TARGET_ELF && DEFAULT_ABI != ABI_AIX && flag_pic == 2"
   "bl %1\\n\\t.long %2-%1+4\\n%1:"
   [(set_attr "type" "branch")
    (set_attr "length" "8")])
@@ -10170,7 +10170,7 @@
        (mem:SI (plus:SI (match_operand:SI 1 "gpc_reg_operand" "r")
                   (minus:SI (match_operand:SI 2 "immediate_operand" "s")
                             (match_operand:SI 3 "immediate_operand" "s")))))]
-  "TARGET_ELF && flag_pic == 2"
+  "TARGET_ELF && DEFAULT_ABI != ABI_AIX && flag_pic == 2"
   "{l|lwz} %0,%2-%3(%1)"
   [(set_attr "type" "load")])