2007-09-06 Jan Hubicka <jh@suse.cz>

	    Andreas Tobler  <a.tobler@schweiz.org>

	* config/darwin.c (machopic_indirect_data_reference): Avoid invalid
	sharing.
	(machopic_legitimize_pic_address): Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@128207 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 379ba58..8ac3e42 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2007-09-06  Jan Hubicka  <jh@suse.cz>
+           Andreas Tobler  <a.tobler@schweiz.org>
+
+       * config/darwin.c (machopic_indirect_data_reference): Avoid invalid
+       sharing.
+       (machopic_legitimize_pic_address): Likewise.
+
 2007-09-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
             Jan Hubicka  <jh@suse.cz>
 

diff --git a/gcc/config/darwin.c b/gcc/config/darwin.c
index 92ffb82..d251474 100644 (file)
--- a/gcc/config/darwin.c
+++ b/gcc/config/darwin.c
@@ -542,7 +542,8 @@ machopic_indirect_data_reference (rtx orig, rtx reg)
                              gen_rtx_PLUS (Pmode, pic_offset_table_rtx,
                                       gen_rtx_HIGH (Pmode, offset))));
          emit_insn (gen_rtx_SET (Pmode, reg,
-                                 gen_rtx_LO_SUM (Pmode, hi_sum_reg, offset)));
+                                 gen_rtx_LO_SUM (Pmode, hi_sum_reg,
+                                                 copy_rtx (offset))));
 
          orig = reg;
 #else
@@ -552,7 +553,8 @@ machopic_indirect_data_reference (rtx orig, rtx reg)
          emit_insn (gen_rtx_SET (VOIDmode, reg,
                                  gen_rtx_HIGH (Pmode, offset)));
          emit_insn (gen_rtx_SET (VOIDmode, reg,
-                                 gen_rtx_LO_SUM (Pmode, reg, offset)));
+                                 gen_rtx_LO_SUM (Pmode, reg,
+                                                 copy_rtx (offset))));
          emit_insn (gen_rtx_USE (VOIDmode, pic_offset_table_rtx));
 
          orig = gen_rtx_PLUS (Pmode, pic_offset_table_rtx, reg);
@@ -714,7 +716,8 @@ machopic_legitimize_pic_address (rtx orig, enum machine_mode mode, rtx reg)
 
              emit_insn (gen_macho_high (temp_reg, asym));
              mem = gen_const_mem (GET_MODE (orig),
-                                  gen_rtx_LO_SUM (Pmode, temp_reg, asym));
+                                  gen_rtx_LO_SUM (Pmode, temp_reg,
+                                                  copy_rtx (asym)));
              emit_insn (gen_rtx_SET (VOIDmode, reg, mem));
 #else
              /* Some other CPU -- WriteMe! but right now there are no other
@@ -746,7 +749,8 @@ machopic_legitimize_pic_address (rtx orig, enum machine_mode mode, rtx reg)
 
              mem = gen_const_mem (GET_MODE (orig),
                                  gen_rtx_LO_SUM (Pmode,
-                                                 hi_sum_reg, offset));
+                                                 hi_sum_reg,
+                                                 copy_rtx (offset)));
              insn = emit_insn (gen_rtx_SET (VOIDmode, reg, mem));
              set_unique_reg_note (insn, REG_EQUAL, pic_ref);
 
@@ -762,7 +766,8 @@ machopic_legitimize_pic_address (rtx orig, enum machine_mode mode, rtx reg)
                                                                   offset))));
              emit_insn (gen_rtx_SET (VOIDmode, reg,
                                  gen_rtx_LO_SUM (Pmode, reg,
-                                          gen_rtx_CONST (Pmode, offset))));
+                                          gen_rtx_CONST (Pmode,
+                                                         copy_rtx (offset)))));
              pic_ref = gen_rtx_PLUS (Pmode,
                                      pic_offset_table_rtx, reg);
 #endif
@@ -822,13 +827,15 @@ machopic_legitimize_pic_address (rtx orig, enum machine_mode mode, rtx reg)
                                                                    offset))));
              emit_insn (gen_rtx_SET (VOIDmode, reg,
                                      gen_rtx_LO_SUM (Pmode,
-                                                     hi_sum_reg, offset)));
+                                                     hi_sum_reg,
+                                                     copy_rtx (offset))));
              pic_ref = reg;
 #else
              emit_insn (gen_rtx_SET (VOIDmode, reg,
                                      gen_rtx_HIGH (Pmode, offset)));
              emit_insn (gen_rtx_SET (VOIDmode, reg,
-                                     gen_rtx_LO_SUM (Pmode, reg, offset)));
+                                     gen_rtx_LO_SUM (Pmode, reg,
+                                                     copy_rtx (offset))));
              pic_ref = gen_rtx_PLUS (Pmode,
                                      pic_offset_table_rtx, reg);
 #endif