rs6000.c (rs6000_emit_load_toc_table): Don't call rs6000_maybe_dead if !fromprolog.

	* config/rs6000/rs6000.c (rs6000_emit_load_toc_table): Don't call
	rs6000_maybe_dead if !fromprolog.

From-SVN: r64376

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 6b7d28cfacc35c92f1fb55e1bd8885d1f07c27c2..646a4bdcecefbd93fbe32910d253ea564e97b31f 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2003-03-14  Jakub Jelinek  <jakub@redhat.com>
+
+       * config/rs6000/rs6000.c (rs6000_emit_load_toc_table): Don't call
+       rs6000_maybe_dead if !fromprolog.
+
 2003-03-14  Neil Booth  <neil@daikokuya.co.uk>
 
        * Makefile.in: Update.

diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index 2d8b80f67ecaf876324f1450be2b4db440240fad..85730fc23b6d226777c5bacee4d96bc9d7dfd8cc 100644 (file)
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -9774,7 +9774,7 @@ void
 rs6000_emit_load_toc_table (fromprolog)
      int fromprolog;
 {
-  rtx dest;
+  rtx dest, insn;
   dest = gen_rtx_REG (Pmode, RS6000_PIC_OFFSET_TABLE_REGNUM);
 
   if (TARGET_ELF && DEFAULT_ABI == ABI_V4 && flag_pic == 1)
@@ -9782,8 +9782,12 @@ rs6000_emit_load_toc_table (fromprolog)
       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));
+      insn = emit_insn (gen_load_toc_v4_pic_si (temp));
+      if (fromprolog)
+       rs6000_maybe_dead (insn);
+      insn = emit_move_insn (dest, temp);
+      if (fromprolog)
+       rs6000_maybe_dead (insn);
     }
   else if (TARGET_ELF && DEFAULT_ABI != ABI_AIX && flag_pic == 2)
     {
@@ -9830,14 +9834,13 @@ rs6000_emit_load_toc_table (fromprolog)
          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)));
+         emit_insn (gen_load_toc_v4_PIC_1b (tempLR, symF, tocsym));
+         emit_move_insn (dest, tempLR);
+         emit_move_insn (temp0, gen_rtx_MEM (Pmode, dest));
        }
-      rs6000_maybe_dead (emit_insn (gen_addsi3 (dest, temp0, dest)));
+      insn = emit_insn (gen_addsi3 (dest, temp0, dest));
+      if (fromprolog)
+       rs6000_maybe_dead (insn);
     }
   else if (TARGET_ELF && !TARGET_AIX && flag_pic == 0 && TARGET_MINIMAL_TOC)
     {
@@ -9847,15 +9850,21 @@ rs6000_emit_load_toc_table (fromprolog)
       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)));
+      insn = emit_insn (gen_elf_high (dest, realsym));
+      if (fromprolog)
+       rs6000_maybe_dead (insn);
+      insn = emit_insn (gen_elf_low (dest, dest, realsym));
+      if (fromprolog)
+       rs6000_maybe_dead (insn);
     }
   else if (DEFAULT_ABI == ABI_AIX)
     {
       if (TARGET_32BIT)
-       rs6000_maybe_dead (emit_insn (gen_load_toc_aix_si (dest)));
+       insn = emit_insn (gen_load_toc_aix_si (dest));
       else
-       rs6000_maybe_dead (emit_insn (gen_load_toc_aix_di (dest)));
+       insn = emit_insn (gen_load_toc_aix_di (dest));
+      if (fromprolog)
+       rs6000_maybe_dead (insn);
     }
   else
     abort ();