linux64.h (TARGET_64BIT): Redefine.

	* config/rs6000/linux64.h (TARGET_64BIT): Redefine.
	(TARGET_RELOCATABLE, TARGET_EABI, TARGET_PROTOTYPE): Likewise.
	(SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Likewise.
	(SUBTARGET_OVERRIDE_OPTIONS, CPP_SYSV_SPEC): Likewise.

From-SVN: r64462

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d96fbe42a5af849bf6f6207d237496b3e2b0c9f9..45b693dec9a7c4dde22eaec97c3a3481934939a3 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2003-03-17  Alan Modra  <amodra@bigpond.net.au>
+
+       * config/rs6000/linux64.h (TARGET_64BIT): Redefine.
+       (TARGET_RELOCATABLE, TARGET_EABI, TARGET_PROTOTYPE): Likewise.
+       (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Likewise.
+       (SUBTARGET_OVERRIDE_OPTIONS, CPP_SYSV_SPEC): Likewise.
+
 2003-03-16  Richard Henderson  <rth@redhat.com>
 
         * simplify-rtx (simplify_binary_operation): Don't abort for

diff --git a/gcc/config/rs6000/linux64.h b/gcc/config/rs6000/linux64.h
index 494dc7ac0d146ad6fca5895e1edc599440b422f5..14fa6ff8ff7a957a31be729fbb939a93ed204cd0 100644 (file)
--- a/gcc/config/rs6000/linux64.h
+++ b/gcc/config/rs6000/linux64.h
@@ -45,12 +45,58 @@ Boston, MA 02111-1307, USA.  */
 %{mlittle} %{mlittle-endian} %{mbig} %{mbig-endian} \
 %{v:-V} %{Qy:} %{!Qn:-Qy} -a64 %(asm_cpu) %{Wa,*:%*}"
 
+/* This is always a 64 bit compiler.  */
+#undef TARGET_64BIT
+#define        TARGET_64BIT            1
+
 /* 64-bit PowerPC Linux always has a TOC.  */
 #undef  TARGET_NO_TOC
 #define TARGET_NO_TOC          0
 #undef  TARGET_TOC
 #define        TARGET_TOC              1
 
+/* Some things from sysv4.h we don't do.  */
+#undef TARGET_RELOCATABLE
+#define        TARGET_RELOCATABLE      0
+#undef TARGET_EABI
+#define        TARGET_EABI             0
+#undef TARGET_PROTOTYPE
+#define        TARGET_PROTOTYPE        0
+
+/* Override sysv4.h.  */
+#undef SUBTARGET_SWITCHES
+#define SUBTARGET_SWITCHES                                             \
+  {"bit-align",        -MASK_NO_BITFIELD_TYPE,                                 \
+    N_("Align to the base type of the bit-field") },                   \
+  {"no-bit-align",      MASK_NO_BITFIELD_TYPE,                         \
+    N_("Don't align to the base type of the bit-field") },             \
+  {"strict-align",      MASK_STRICT_ALIGN,                             \
+    N_("Don't assume that unaligned accesses are handled by the system") }, \
+  {"no-strict-align",  -MASK_STRICT_ALIGN,                             \
+    N_("Assume that unaligned accesses are handled by the system") },  \
+  {"little-endian",     MASK_LITTLE_ENDIAN,                            \
+    N_("Produce little endian code") },                                        \
+  {"little",            MASK_LITTLE_ENDIAN,                            \
+    N_("Produce little endian code") },                                        \
+  {"big-endian",       -MASK_LITTLE_ENDIAN,                            \
+    N_("Produce big endian code") },                                   \
+  {"big",              -MASK_LITTLE_ENDIAN,                            \
+    N_("Produce big endian code") },                                   \
+  {"bit-word",         -MASK_NO_BITFIELD_WORD,                         \
+    N_("Allow bit-fields to cross word boundaries") },                 \
+  {"no-bit-word",       MASK_NO_BITFIELD_WORD,                         \
+    N_("Do not allow bit-fields to cross word boundaries") },          \
+  {"regnames",          MASK_REGNAMES,                                 \
+    N_("Use alternate register names") },                              \
+  {"no-regnames",      -MASK_REGNAMES,                                 \
+    N_("Don't use alternate register names") },
+
+#undef SUBTARGET_OPTIONS
+#define        SUBTARGET_OPTIONS
+
+#undef SUBTARGET_OVERRIDE_OPTIONS
+#define        SUBTARGET_OVERRIDE_OPTIONS {}
+
 /* We use glibc _mcount for profiling.  */
 #define NO_PROFILE_COUNTERS 1
 #undef  PROFILE_BEFORE_PROLOGUE
@@ -110,6 +156,10 @@ Boston, MA 02111-1307, USA.  */
 #undef MD_EXEC_PREFIX
 #undef MD_STARTFILE_PREFIX
 
+/* Override sysv4.h  */
+#undef CPP_SYSV_SPEC
+#define        CPP_SYSV_SPEC ""
+
 #undef TARGET_OS_CPP_BUILTINS
 #define TARGET_OS_CPP_BUILTINS()            \
   do                                        \