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Diffstat (limited to 'gcc/config/arm/arm.h')
-rw-r--r--gcc/config/arm/arm.h154
1 files changed, 94 insertions, 60 deletions
diff --git a/gcc/config/arm/arm.h b/gcc/config/arm/arm.h
index c1a3215c7a2..4390204283a 100644
--- a/gcc/config/arm/arm.h
+++ b/gcc/config/arm/arm.h
@@ -48,6 +48,7 @@ Boston, MA 02111-1307, USA. */
#define TARGET_CPU_strongarm1100 0x0040
#define TARGET_CPU_arm9 0x0080
#define TARGET_CPU_arm9tdmi 0x0080
+#define TARGET_CPU_xscale 0x0100
/* Configure didn't specify. */
#define TARGET_CPU_generic 0x8000
@@ -115,12 +116,16 @@ extern int current_function_anonymous_args;
#if TARGET_CPU_DEFAULT == TARGET_CPU_arm8 || TARGET_CPU_DEFAULT == TARGET_CPU_arm810 || TARGET_CPU_DEFAULT == TARGET_CPU_strongarm || TARGET_CPU_DEFAULT == TARGET_CPU_strongarm110 || TARGET_CPU_DEFAULT == TARGET_CPU_strongarm1100
#define CPP_ARCH_DEFAULT_SPEC "-D__ARM_ARCH_4__"
#else
+#if TARGET_CPU_DEFAULT == TARGET_CPU_xscale
+#define CPP_ARCH_DEFAULT_SPEC "-D__ARM_ARCH_5TE__ -D__XSCALE__"
+#else
Unrecognized value in TARGET_CPU_DEFAULT.
#endif
#endif
#endif
#endif
#endif
+#endif
#ifndef CPP_PREDEFINES
#define CPP_PREDEFINES "-Acpu=arm -Amachine=arm"
@@ -161,6 +166,8 @@ Unrecognized value in TARGET_CPU_DEFAULT.
%{march=strongarm:-D__ARM_ARCH_4__} \
%{march=strongarm110:-D__ARM_ARCH_4__} \
%{march=strongarm1100:-D__ARM_ARCH_4__} \
+%{march=xscale:-D__ARM_ARCH_5TE__} \
+%{march=xscale:-D__XSCALE__} \
%{march=armv2:-D__ARM_ARCH_2__} \
%{march=armv2a:-D__ARM_ARCH_2__} \
%{march=armv3:-D__ARM_ARCH_3__} \
@@ -198,6 +205,8 @@ Unrecognized value in TARGET_CPU_DEFAULT.
%{mcpu=strongarm:-D__ARM_ARCH_4__} \
%{mcpu=strongarm110:-D__ARM_ARCH_4__} \
%{mcpu=strongarm1100:-D__ARM_ARCH_4__} \
+ %{mcpu=xscale:-D__ARM_ARCH_5TE__} \
+ %{mcpu=xscale:-D__XSCALE__} \
%{!mcpu*:%(cpp_cpu_arch_default)}} \
"
@@ -560,6 +569,9 @@ extern int thumb_code;
/* Nonzero if this chip is a StrongARM. */
extern int arm_is_strong;
+/* Nonzero if this chip is an XScale. */
+extern int arm_is_xscale;
+
/* Nonzero if this chip is a an ARM6 or an ARM7. */
extern int arm_is_6_or_7;
@@ -696,9 +708,12 @@ extern int arm_is_6_or_7;
#define BIGGEST_ALIGNMENT 32
/* Make strings word-aligned so strcpy from constants will be faster. */
-#define CONSTANT_ALIGNMENT(EXP, ALIGN) \
- (TREE_CODE (EXP) == STRING_CST \
- && (ALIGN) < BITS_PER_WORD ? BITS_PER_WORD : (ALIGN))
+#define CONSTANT_ALIGNMENT_FACTOR (TARGET_THUMB || ! arm_is_xscale ? 1 : 2)
+
+#define CONSTANT_ALIGNMENT(EXP, ALIGN) \
+ ((TREE_CODE (EXP) == STRING_CST \
+ && (ALIGN) < BITS_PER_WORD * CONSTANT_ALIGNMENT_FACTOR) \
+ ? BITS_PER_WORD * CONSTANT_ALIGNMENT_FACTOR : (ALIGN))
/* Setting STRUCTURE_SIZE_BOUNDARY to 32 produces more efficient code, but the
value set in previous versions of this toolchain was 8, which produces more
@@ -2050,63 +2065,63 @@ typedef struct
floating SYMBOL_REF to the constant pool. Allow REG-only and
AUTINC-REG if handling TImode or HImode. Other symbol refs must be
forced though a static cell to ensure addressability. */
-#define ARM_GO_IF_LEGITIMATE_ADDRESS(MODE, X, LABEL) \
-{ \
- if (ARM_BASE_REGISTER_RTX_P (X)) \
- goto LABEL; \
- else if ((GET_CODE (X) == POST_INC || GET_CODE (X) == PRE_DEC) \
- && GET_CODE (XEXP (X, 0)) == REG \
- && ARM_REG_OK_FOR_BASE_P (XEXP (X, 0))) \
- goto LABEL; \
- else if (GET_MODE_SIZE (MODE) >= 4 && reload_completed \
- && (GET_CODE (X) == LABEL_REF \
- || (GET_CODE (X) == CONST \
- && GET_CODE (XEXP ((X), 0)) == PLUS \
- && GET_CODE (XEXP (XEXP ((X), 0), 0)) == LABEL_REF \
- && GET_CODE (XEXP (XEXP ((X), 0), 1)) == CONST_INT))) \
- goto LABEL; \
- else if ((MODE) == TImode) \
- ; \
- else if ((MODE) == DImode || (TARGET_SOFT_FLOAT && (MODE) == DFmode)) \
- { \
- if (GET_CODE (X) == PLUS && ARM_BASE_REGISTER_RTX_P (XEXP (X, 0)) \
- && GET_CODE (XEXP (X, 1)) == CONST_INT) \
- { \
- HOST_WIDE_INT val = INTVAL (XEXP (X, 1)); \
- if (val == 4 || val == -4 || val == -8) \
- goto LABEL; \
- } \
- } \
- else if (GET_CODE (X) == PLUS) \
- { \
- rtx xop0 = XEXP (X, 0); \
- rtx xop1 = XEXP (X, 1); \
- \
- if (ARM_BASE_REGISTER_RTX_P (xop0)) \
- ARM_GO_IF_LEGITIMATE_INDEX (MODE, REGNO (xop0), xop1, LABEL); \
- else if (ARM_BASE_REGISTER_RTX_P (xop1)) \
- ARM_GO_IF_LEGITIMATE_INDEX (MODE, REGNO (xop1), xop0, LABEL); \
- } \
- /* Reload currently can't handle MINUS, so disable this for now */ \
- /* else if (GET_CODE (X) == MINUS) \
- { \
- rtx xop0 = XEXP (X,0); \
- rtx xop1 = XEXP (X,1); \
- \
- if (ARM_BASE_REGISTER_RTX_P (xop0)) \
- ARM_GO_IF_LEGITIMATE_INDEX (MODE, -1, xop1, LABEL); \
- } */ \
- else if (GET_MODE_CLASS (MODE) != MODE_FLOAT \
- && GET_CODE (X) == SYMBOL_REF \
- && CONSTANT_POOL_ADDRESS_P (X) \
- && ! (flag_pic \
- && symbol_mentioned_p (get_pool_constant (X)))) \
- goto LABEL; \
- else if ((GET_CODE (X) == PRE_INC || GET_CODE (X) == POST_DEC) \
- && (GET_MODE_SIZE (MODE) <= 4) \
- && GET_CODE (XEXP (X, 0)) == REG \
- && ARM_REG_OK_FOR_BASE_P (XEXP (X, 0))) \
- goto LABEL; \
+#define ARM_GO_IF_LEGITIMATE_ADDRESS(MODE, X, LABEL) \
+{ \
+ if (ARM_BASE_REGISTER_RTX_P (X)) \
+ goto LABEL; \
+ else if ((GET_CODE (X) == POST_INC || GET_CODE (X) == PRE_DEC) \
+ && GET_CODE (XEXP (X, 0)) == REG \
+ && ARM_REG_OK_FOR_BASE_P (XEXP (X, 0))) \
+ goto LABEL; \
+ else if (GET_MODE_SIZE (MODE) >= 4 && reload_completed \
+ && (GET_CODE (X) == LABEL_REF \
+ || (GET_CODE (X) == CONST \
+ && GET_CODE (XEXP ((X), 0)) == PLUS \
+ && GET_CODE (XEXP (XEXP ((X), 0), 0)) == LABEL_REF \
+ && GET_CODE (XEXP (XEXP ((X), 0), 1)) == CONST_INT)))\
+ goto LABEL; \
+ else if ((MODE) == TImode) \
+ ; \
+ else if ((MODE) == DImode || (TARGET_SOFT_FLOAT && (MODE) == DFmode)) \
+ { \
+ if (GET_CODE (X) == PLUS && ARM_BASE_REGISTER_RTX_P (XEXP (X, 0)) \
+ && GET_CODE (XEXP (X, 1)) == CONST_INT) \
+ { \
+ HOST_WIDE_INT val = INTVAL (XEXP (X, 1)); \
+ if (val == 4 || val == -4 || val == -8) \
+ goto LABEL; \
+ } \
+ } \
+ else if (GET_CODE (X) == PLUS) \
+ { \
+ rtx xop0 = XEXP (X, 0); \
+ rtx xop1 = XEXP (X, 1); \
+ \
+ if (ARM_BASE_REGISTER_RTX_P (xop0)) \
+ ARM_GO_IF_LEGITIMATE_INDEX (MODE, REGNO (xop0), xop1, LABEL); \
+ else if (ARM_BASE_REGISTER_RTX_P (xop1)) \
+ ARM_GO_IF_LEGITIMATE_INDEX (MODE, REGNO (xop1), xop0, LABEL); \
+ } \
+ /* Reload currently can't handle MINUS, so disable this for now */ \
+ /* else if (GET_CODE (X) == MINUS) \
+ { \
+ rtx xop0 = XEXP (X,0); \
+ rtx xop1 = XEXP (X,1); \
+ \
+ if (ARM_BASE_REGISTER_RTX_P (xop0)) \
+ ARM_GO_IF_LEGITIMATE_INDEX (MODE, -1, xop1, LABEL); \
+ } */ \
+ else if (GET_MODE_CLASS (MODE) != MODE_FLOAT \
+ && GET_CODE (X) == SYMBOL_REF \
+ && CONSTANT_POOL_ADDRESS_P (X) \
+ && ! (flag_pic \
+ && symbol_mentioned_p (get_pool_constant (X)))) \
+ goto LABEL; \
+ else if ((GET_CODE (X) == PRE_INC || GET_CODE (X) == POST_DEC) \
+ && (GET_MODE_SIZE (MODE) <= 4) \
+ && GET_CODE (XEXP (X, 0)) == REG \
+ && ARM_REG_OK_FOR_BASE_P (XEXP (X, 0))) \
+ goto LABEL; \
}
/* ---------------------thumb version----------------------------------*/
@@ -2355,6 +2370,9 @@ typedef struct
in one reasonably fast instruction. */
#define MOVE_MAX 4
+#undef MOVE_RATIO
+#define MOVE_RATIO (arm_is_xscale ? 4 : 2)
+
/* Define if operations between registers always perform the operation
on the full register even if a narrower mode is specified. */
#define WORD_REGISTER_OPERATIONS
@@ -2924,4 +2942,20 @@ extern int making_const_table;
#define SPECIAL_MODE_PREDICATES \
"cc_register", "dominant_cc_register",
+enum arm_builtins
+{
+ ARM_BUILTIN_CLZ,
+ ARM_BUILTIN_PREFETCH,
+ ARM_BUILTIN_MAX
+};
+
+#define MD_INIT_BUILTINS \
+ do \
+ { \
+ arm_init_builtins (); \
+ } \
+ while (0)
+
+#define MD_EXPAND_BUILTIN(EXP, TARGET, SUBTARGET, MODE, IGNORE) \
+ arm_expand_builtin ((EXP), (TARGET), (SUBTARGET), (MODE), (IGNORE))
#endif /* __ARM_H__ */
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