nios2.md (unspec): Remove UNSPEC_TLS, UNSPEC_TLS_LDM.

2014-04-01  Chung-Lin Tang  <cltang@codesourcery.com>

	* config/nios2/nios2.md (unspec): Remove UNSPEC_TLS, UNSPEC_TLS_LDM.
	* config/nios2/nios2.c (nios2_function_profiler): Fix addi operand
	typo.
	(nios2_large_got_address): Remove unneeded 'sym' parameter.
	(nios2_got_address): Update nios2_large_got_address call site.
	(nios2_delegitimize_address): New function.
	(TARGET_DELEGITIMIZE_ADDRESS): Define to nios2_delegitimize_address.
	* config/nios2/linux.h (GLIBC_DYNAMIC_LINKER): Define.
	(LINK_SPEC): Specify dynamic linker using GNU_USER_DYNAMIC_LINKER.

From-SVN: r208988

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f931619059d25b032e20cacfaea86c801e3c33f3..238b14df41e78762cb6bd1e92e570e149a8d4870 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,15 @@
+2014-04-01  Chung-Lin Tang  <cltang@codesourcery.com>
+
+       * config/nios2/nios2.md (unspec): Remove UNSPEC_TLS, UNSPEC_TLS_LDM.
+       * config/nios2/nios2.c (nios2_function_profiler): Fix addi operand
+       typo.
+       (nios2_large_got_address): Remove unneeded 'sym' parameter.
+       (nios2_got_address): Update nios2_large_got_address call site.
+       (nios2_delegitimize_address): New function.
+       (TARGET_DELEGITIMIZE_ADDRESS): Define to nios2_delegitimize_address.
+       * config/nios2/linux.h (GLIBC_DYNAMIC_LINKER): Define.
+       (LINK_SPEC): Specify dynamic linker using GNU_USER_DYNAMIC_LINKER.
+
 2014-04-01  Martin Husemann  <martin@duskware.de>
 
        * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Define __mips_o32

diff --git a/gcc/config/nios2/linux.h b/gcc/config/nios2/linux.h
index 47976f85b0dd3c28fdacc67dba0a63a6ff42714c..3e77ca6c90fe83191c91f73503df70aeb228c1e6 100644 (file)
--- a/gcc/config/nios2/linux.h
+++ b/gcc/config/nios2/linux.h
@@ -26,11 +26,16 @@
     }                                           \
   while (0)
 
+#define GLIBC_DYNAMIC_LINKER "/lib/ld-linux-nios2.so.1"
+
 #undef LINK_SPEC
 #define LINK_SPEC LINK_SPEC_ENDIAN \
-  " %{shared:-shared} \
-    %{static:-Bstatic} \
-    %{rdynamic:-export-dynamic}"
+ "%{shared:-shared} \
+  %{!shared: \
+    %{!static: \
+      %{rdynamic:-export-dynamic} \
+      -dynamic-linker " GNU_USER_DYNAMIC_LINKER "} \
+    %{static:-static}}"
 
 /* This toolchain implements the ABI for Linux Systems documented in the
    Nios II Processor Reference Handbook.  */

diff --git a/gcc/config/nios2/nios2.c b/gcc/config/nios2/nios2.c
index edf9a618b3aa136a443ca0e9695025a0fa914acd..cdd2e6bc98bfdeab20455f49e70d217dc1b70d4f 100644 (file)
--- a/gcc/config/nios2/nios2.c
+++ b/gcc/config/nios2/nios2.c
@@ -695,7 +695,7 @@ nios2_function_profiler (FILE *file, int labelno ATTRIBUTE_UNUSED)
       fprintf (file, "\taddi\tr3, r3, %%lo(_gp_got - 1b)\n");
       fprintf (file, "\tadd\tr2, r2, r3\n");
       fprintf (file, "\tmovhi\tr3, %%call_hiadj(_mcount)\n");
-      fprintf (file, "\taddi\tr3, %%call_lo(_mcount)\n");
+      fprintf (file, "\taddi\tr3, r3, %%call_lo(_mcount)\n");
       fprintf (file, "\tadd\tr3, r2, r3\n");
       fprintf (file, "\tldw\tr2, 0(r3)\n");
       fprintf (file, "\tcallr\tr2\n");
@@ -1183,7 +1183,7 @@ nios2_unspec_offset (rtx loc, int unspec)
 
 /* Generate GOT pointer based address with large offset.  */
 static rtx
-nios2_large_got_address (rtx sym, rtx offset)
+nios2_large_got_address (rtx offset)
 {
   rtx addr = gen_reg_rtx (Pmode);
   emit_insn (gen_add3_insn (addr, pic_offset_table_rtx,
@@ -1199,7 +1199,7 @@ nios2_got_address (rtx loc, int unspec)
   crtl->uses_pic_offset_table = 1;
 
   if (nios2_large_offset_p (unspec))
-    return nios2_large_got_address (loc, offset);
+    return nios2_large_got_address (offset);
 
   return gen_rtx_PLUS (Pmode, pic_offset_table_rtx, offset);
 }
@@ -1805,6 +1805,30 @@ nios2_legitimize_address (rtx x, rtx oldx ATTRIBUTE_UNUSED,
   return x;
 }
 
+static rtx
+nios2_delegitimize_address (rtx x)
+{
+  x = delegitimize_mem_from_attrs (x);
+
+  if (GET_CODE (x) == CONST && GET_CODE (XEXP (x, 0)) == UNSPEC)
+    {
+      switch (XINT (XEXP (x, 0), 1))
+       {
+       case UNSPEC_PIC_SYM:
+       case UNSPEC_PIC_CALL_SYM:
+       case UNSPEC_PIC_GOTOFF_SYM:
+       case UNSPEC_ADD_TLS_GD:
+       case UNSPEC_ADD_TLS_LDM:
+       case UNSPEC_LOAD_TLS_IE:
+       case UNSPEC_ADD_TLS_LE:
+         x = XVECEXP (XEXP (x, 0), 0, 0);
+         gcc_assert (GET_CODE (x) == SYMBOL_REF);
+         break;
+       }
+    }
+  return x;
+}
+
 /* Main expander function for RTL moves.  */
 int
 nios2_emit_move_sequence (rtx *operands, enum machine_mode mode)
@@ -3259,6 +3283,9 @@ nios2_merge_decl_attributes (tree olddecl, tree newdecl)
 #undef TARGET_LEGITIMIZE_ADDRESS
 #define TARGET_LEGITIMIZE_ADDRESS nios2_legitimize_address
 
+#undef TARGET_DELEGITIMIZE_ADDRESS
+#define TARGET_DELEGITIMIZE_ADDRESS nios2_delegitimize_address
+
 #undef TARGET_LEGITIMATE_ADDRESS_P
 #define TARGET_LEGITIMATE_ADDRESS_P nios2_legitimate_address_p
 

diff --git a/gcc/config/nios2/nios2.md b/gcc/config/nios2/nios2.md
index b5b599ece334487e4a3c1a6b8e32b079420d0c53..929d61e1f13b8614fb5f7e86cec34fdf5ced4105 100644 (file)
--- a/gcc/config/nios2/nios2.md
+++ b/gcc/config/nios2/nios2.md
@@ -74,8 +74,6 @@
   UNSPEC_PIC_SYM
   UNSPEC_PIC_CALL_SYM
   UNSPEC_PIC_GOTOFF_SYM
-  UNSPEC_TLS
-  UNSPEC_TLS_LDM
   UNSPEC_LOAD_TLS_IE
   UNSPEC_ADD_TLS_LE
   UNSPEC_ADD_TLS_GD