+#define TARGET_ARCH32 (DEFAULT_ARCH32_P)
+#endif
+#define TARGET_ARCH64 (! TARGET_ARCH32)
+
+/* Code model selection.
+ -mcmodel is used to select the v9 code model.
+ Different code models aren't supported for v8 code.
+
+ TARGET_CM_32: 32 bit address space, top 32 bits = 0,
+ pointers are 32 bits. Note that this isn't intended
+ to imply a v8 abi.
+
+ TARGET_CM_MEDLOW: 32 bit address space, top 32 bits = 0,
+ avoid generating %uhi and %ulo terms,
+ pointers are 64 bits.
+
+ TARGET_CM_MEDMID: 64 bit address space.
+ The executable must be in the low 16 TB of memory.
+ This corresponds to the low 44 bits, and the %[hml]44
+ relocs are used.
+
+ TARGET_CM_MEDANY: 64 bit address space.
+ The text and data segments have a maximum size of 31
+ bits and may be located anywhere. The maximum offset
+ from any instruction to the label _GLOBAL_OFFSET_TABLE_
+ is 31 bits.
+
+ TARGET_CM_EMBMEDANY: 64 bit address space.
+ The text and data segments have a maximum size of 31 bits
+ and may be located anywhere. Register %g4 contains
+ the start address of the data segment.
+*/
+
+enum cmodel {
+ CM_32,
+ CM_MEDLOW,
+ CM_MEDMID,
+ CM_MEDANY,
+ CM_EMBMEDANY
+};
+
+/* Value of -mcmodel specified by user. */
+extern char *sparc_cmodel_string;
+/* One of CM_FOO. */
+extern enum cmodel sparc_cmodel;
+
+/* V9 code model selection. */
+#define TARGET_CM_MEDLOW (sparc_cmodel == CM_MEDLOW)
+#define TARGET_CM_MEDMID (sparc_cmodel == CM_MEDMID)
+#define TARGET_CM_MEDANY (sparc_cmodel == CM_MEDANY)
+#define TARGET_CM_EMBMEDANY (sparc_cmodel == CM_EMBMEDANY)
+
+#define SPARC_DEFAULT_CMODEL CM_MEDLOW
+
+/* This is call-clobbered in the normal ABI, but is reserved in the
+ home grown (aka upward compatible) embedded ABI. */
+#define EMBMEDANY_BASE_REG "%g4"
+\f
+/* Values of TARGET_CPU_DEFAULT, set via -D in the Makefile,
+ and specified by the user via --with-cpu=foo.
+ This specifies the cpu implementation, not the architecture size. */
+#define TARGET_CPU_sparc 0
+#define TARGET_CPU_v7 0 /* alias for previous */
+#define TARGET_CPU_sparclet 1
+#define TARGET_CPU_sparclite 2
+#define TARGET_CPU_v8 3 /* generic v8 implementation */
+#define TARGET_CPU_supersparc 4
+#define TARGET_CPU_v9 5 /* generic v9 implementation */
+#define TARGET_CPU_sparc64 5 /* alias */
+#define TARGET_CPU_ultrasparc 6
+
+#if TARGET_CPU_DEFAULT == TARGET_CPU_sparc || TARGET_CPU_DEFAULT == TARGET_CPU_v8 || TARGET_CPU_DEFAULT == TARGET_CPU_supersparc
+#define CPP_CPU_DEFAULT_SPEC ""
+#define ASM_CPU_DEFAULT_SPEC ""
+#endif
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