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authorPaul Brook <paul@codesourcery.com>2006-01-31 14:11:13 +0000
committerPaul Brook <paul@codesourcery.com>2006-01-31 14:11:13 +0000
commite74cfd166e5a1a76025c0e34f858747610a3c74d (patch)
treefa7e31938743c27a33a6bd99a035a551e69d853b /include
parent10bbee73e31e8ecabfaa3add8e887783f4e6b52e (diff)
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2006-01-31 Paul Brook <paul@codesourcery.com>
Richard Earnshaw <rearnsha@arm.com> * gas/config/tc-arm.c: Use arm_feature_set. (arm_ext_*, arm_arch_full, arm_arch_t2, arm_arch_none, arm_cext_iwmmxt, arm_cext_xscale, arm_cext_maverick, fpu_fpa_ext_v1, fpu_fpa_ext_v2, fpu_vfp_ext_v1xd, fpu_vfp_ext_v1, fpu_vfp_ext_v2): New variables. (insns): Use them. (md_atof, opcode_select, opcode_select, md_assemble, md_assemble, md_begin, arm_parse_extension, arm_parse_cpu, arm_parse_arch, arm_parse_fpu, arm_parse_float_abi, aeabi_set_public_attributes, s_arm_cpu, s_arm_arch, s_arm_fpu): Use macros for accessing CPU feature flags. (arm_legacy_option_table, arm_option_cpu_value_table): New types. (arm_opts): Move old cpu/arch options from here... (arm_legacy_opts): ... to here. (md_parse_option): Search arm_legacy_opts. (arm_cpus, arm_archs, arm_extensions, arm_fpus) (arm_float_abis, arm_eabis): Make const. * include/opcode/arm.h: Use ARM_CPU_FEATURE. (ARM_AEXT_*, FPU_ENDIAN_PURE, FPU_VFP_HARD): New. (arm_feature_set): Change to a structure. (ARM_CPU_HAS_FEATURE, ARM_MERGE_FEATURE_SETS, ARM_CLEAR_FEATURE, ARM_FEATURE): New macros.
Diffstat (limited to 'include')
-rw-r--r--include/opcode/ChangeLog9
-rw-r--r--include/opcode/arm.h160
2 files changed, 121 insertions, 48 deletions
diff --git a/include/opcode/ChangeLog b/include/opcode/ChangeLog
index 8ec8340..bb8fe76 100644
--- a/include/opcode/ChangeLog
+++ b/include/opcode/ChangeLog
@@ -1,3 +1,12 @@
+2006-01-31 Paul Brook <paul@codesourcery.com>
+ Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.h: Use ARM_CPU_FEATURE.
+ (ARM_AEXT_*, FPU_ENDIAN_PURE, FPU_VFP_HARD): New.
+ (arm_feature_set): Change to a structure.
+ (ARM_CPU_HAS_FEATURE, ARM_MERGE_FEATURE_SETS, ARM_CLEAR_FEATURE,
+ ARM_FEATURE): New macros.
+
2005-12-07 Hans-Peter Nilsson <hp@axis.com>
* cris.h (MOVE_M_TO_PREG_OPCODE, MOVE_M_TO_PREG_ZBITS)
diff --git a/include/opcode/arm.h b/include/opcode/arm.h
index d98f038..97312b6 100644
--- a/include/opcode/arm.h
+++ b/include/opcode/arm.h
@@ -37,65 +37,129 @@
#define ARM_EXT_V6T2 0x00008000 /* Thumb-2. */
/* Co-processor space extensions. */
-#define ARM_CEXT_XSCALE 0x00800000 /* Allow MIA etc. */
-#define ARM_CEXT_MAVERICK 0x00400000 /* Use Cirrus/DSP coprocessor. */
-#define ARM_CEXT_IWMMXT 0x00200000 /* Intel Wireless MMX technology coprocessor. */
+#define ARM_CEXT_XSCALE 0x00000001 /* Allow MIA etc. */
+#define ARM_CEXT_MAVERICK 0x00000002 /* Use Cirrus/DSP coprocessor. */
+#define ARM_CEXT_IWMMXT 0x00000004 /* Intel Wireless MMX technology coprocessor. */
+
+#define FPU_ENDIAN_PURE 0x80000000 /* Pure-endian doubles. */
+#define FPU_ENDIAN_BIG 0 /* Double words-big-endian. */
+#define FPU_FPA_EXT_V1 0x40000000 /* Base FPA instruction set. */
+#define FPU_FPA_EXT_V2 0x20000000 /* LFM/SFM. */
+#define FPU_MAVERICK 0x10000000 /* Cirrus Maverick. */
+#define FPU_VFP_EXT_V1xD 0x08000000 /* Base VFP instruction set. */
+#define FPU_VFP_EXT_V1 0x04000000 /* Double-precision insns. */
+#define FPU_VFP_EXT_V2 0x02000000 /* ARM10E VFPr1. */
/* Architectures are the sum of the base and extensions. The ARM ARM (rev E)
defines the following: ARMv3, ARMv3M, ARMv4xM, ARMv4, ARMv4TxM, ARMv4T,
ARMv5xM, ARMv5, ARMv5TxM, ARMv5T, ARMv5TExP, ARMv5TE. To these we add
three more to cover cores prior to ARM6. Finally, there are cores which
implement further extensions in the co-processor space. */
-#define ARM_ARCH_V1 ARM_EXT_V1
-#define ARM_ARCH_V2 (ARM_ARCH_V1 | ARM_EXT_V2)
-#define ARM_ARCH_V2S (ARM_ARCH_V2 | ARM_EXT_V2S)
-#define ARM_ARCH_V3 (ARM_ARCH_V2S | ARM_EXT_V3)
-#define ARM_ARCH_V3M (ARM_ARCH_V3 | ARM_EXT_V3M)
-#define ARM_ARCH_V4xM (ARM_ARCH_V3 | ARM_EXT_V4)
-#define ARM_ARCH_V4 (ARM_ARCH_V3M | ARM_EXT_V4)
-#define ARM_ARCH_V4TxM (ARM_ARCH_V4xM | ARM_EXT_V4T)
-#define ARM_ARCH_V4T (ARM_ARCH_V4 | ARM_EXT_V4T)
-#define ARM_ARCH_V5xM (ARM_ARCH_V4xM | ARM_EXT_V5)
-#define ARM_ARCH_V5 (ARM_ARCH_V4 | ARM_EXT_V5)
-#define ARM_ARCH_V5TxM (ARM_ARCH_V5xM | ARM_EXT_V4T | ARM_EXT_V5T)
-#define ARM_ARCH_V5T (ARM_ARCH_V5 | ARM_EXT_V4T | ARM_EXT_V5T)
-#define ARM_ARCH_V5TExP (ARM_ARCH_V5T | ARM_EXT_V5ExP)
-#define ARM_ARCH_V5TE (ARM_ARCH_V5TExP | ARM_EXT_V5E)
-#define ARM_ARCH_V5TEJ (ARM_ARCH_V5TE | ARM_EXT_V5J)
-#define ARM_ARCH_V6 (ARM_ARCH_V5TEJ | ARM_EXT_V6)
-#define ARM_ARCH_V6K (ARM_ARCH_V6 | ARM_EXT_V6K)
-#define ARM_ARCH_V6Z (ARM_ARCH_V6 | ARM_EXT_V6Z)
-#define ARM_ARCH_V6ZK (ARM_ARCH_V6 | ARM_EXT_V6K | ARM_EXT_V6Z)
-#define ARM_ARCH_V6T2 (ARM_ARCH_V6 | ARM_EXT_V6T2)
-#define ARM_ARCH_V6KT2 (ARM_ARCH_V6 | ARM_EXT_V6T2 | ARM_EXT_V6K)
-#define ARM_ARCH_V6ZT2 (ARM_ARCH_V6 | ARM_EXT_V6T2 | ARM_EXT_V6Z)
-#define ARM_ARCH_V6ZKT2 (ARM_ARCH_V6 | ARM_EXT_V6T2 | ARM_EXT_V6K | ARM_EXT_V6Z)
+#define ARM_AEXT_V1 ARM_EXT_V1
+#define ARM_AEXT_V2 (ARM_AEXT_V1 | ARM_EXT_V2)
+#define ARM_AEXT_V2S (ARM_AEXT_V2 | ARM_EXT_V2S)
+#define ARM_AEXT_V3 (ARM_AEXT_V2S | ARM_EXT_V3)
+#define ARM_AEXT_V3M (ARM_AEXT_V3 | ARM_EXT_V3M)
+#define ARM_AEXT_V4xM (ARM_AEXT_V3 | ARM_EXT_V4)
+#define ARM_AEXT_V4 (ARM_AEXT_V3M | ARM_EXT_V4)
+#define ARM_AEXT_V4TxM (ARM_AEXT_V4xM | ARM_EXT_V4T)
+#define ARM_AEXT_V4T (ARM_AEXT_V4 | ARM_EXT_V4T)
+#define ARM_AEXT_V5xM (ARM_AEXT_V4xM | ARM_EXT_V5)
+#define ARM_AEXT_V5 (ARM_AEXT_V4 | ARM_EXT_V5)
+#define ARM_AEXT_V5TxM (ARM_AEXT_V5xM | ARM_EXT_V4T | ARM_EXT_V5T)
+#define ARM_AEXT_V5T (ARM_AEXT_V5 | ARM_EXT_V4T | ARM_EXT_V5T)
+#define ARM_AEXT_V5TExP (ARM_AEXT_V5T | ARM_EXT_V5ExP)
+#define ARM_AEXT_V5TE (ARM_AEXT_V5TExP | ARM_EXT_V5E)
+#define ARM_AEXT_V5TEJ (ARM_AEXT_V5TE | ARM_EXT_V5J)
+#define ARM_AEXT_V6 (ARM_AEXT_V5TEJ | ARM_EXT_V6)
+#define ARM_AEXT_V6K (ARM_AEXT_V6 | ARM_EXT_V6K)
+#define ARM_AEXT_V6Z (ARM_AEXT_V6 | ARM_EXT_V6Z)
+#define ARM_AEXT_V6ZK (ARM_AEXT_V6 | ARM_EXT_V6K | ARM_EXT_V6Z)
+#define ARM_AEXT_V6T2 (ARM_AEXT_V6 | ARM_EXT_V6T2)
+#define ARM_AEXT_V6KT2 (ARM_AEXT_V6 | ARM_EXT_V6T2 | ARM_EXT_V6K)
+#define ARM_AEXT_V6ZT2 (ARM_AEXT_V6 | ARM_EXT_V6T2 | ARM_EXT_V6Z)
+#define ARM_AEXT_V6ZKT2 (ARM_AEXT_V6 | ARM_EXT_V6T2 | ARM_EXT_V6K | ARM_EXT_V6Z)
/* Processors with specific extensions in the co-processor space. */
-#define ARM_ARCH_XSCALE (ARM_ARCH_V5TE | ARM_CEXT_XSCALE)
-#define ARM_ARCH_IWMMXT (ARM_ARCH_XSCALE | ARM_CEXT_IWMMXT)
+#define ARM_ARCH_XSCALE ARM_FEATURE (ARM_AEXT_V5TE, ARM_CEXT_XSCALE)
+#define ARM_ARCH_IWMMXT \
+ ARM_FEATURE (ARM_AEXT_V5TE, ARM_CEXT_XSCALE | ARM_CEXT_IWMMXT)
+
+#define FPU_VFP_V1xD (FPU_VFP_EXT_V1xD | FPU_ENDIAN_PURE)
+#define FPU_VFP_V1 (FPU_VFP_V1xD | FPU_VFP_EXT_V1)
+#define FPU_VFP_V2 (FPU_VFP_V1 | FPU_VFP_EXT_V2)
+#define FPU_VFP_HARD (FPU_VFP_EXT_V1xD | FPU_VFP_EXT_V1 | FPU_VFP_EXT_V2)
+#define FPU_FPA (FPU_FPA_EXT_V1 | FPU_FPA_EXT_V2)
+
+/* Deprecated */
+#define FPU_ARCH_VFP ARM_FEATURE (0, FPU_ENDIAN_PURE)
-#define FPU_FPA_EXT_V1 0x80000000 /* Base FPA instruction set. */
-#define FPU_FPA_EXT_V2 0x40000000 /* LFM/SFM. */
-#define FPU_VFP_EXT_NONE 0x20000000 /* Use VFP word-ordering. */
-#define FPU_VFP_EXT_V1xD 0x10000000 /* Base VFP instruction set. */
-#define FPU_VFP_EXT_V1 0x08000000 /* Double-precision insns. */
-#define FPU_VFP_EXT_V2 0x04000000 /* ARM10E VFPr1. */
-#define FPU_MAVERICK 0x02000000 /* Cirrus Maverick. */
-#define FPU_NONE 0
+#define FPU_ARCH_FPE ARM_FEATURE (0, FPU_FPA_EXT_V1)
+#define FPU_ARCH_FPA ARM_FEATURE (0, FPU_FPA)
-#define FPU_ARCH_FPE FPU_FPA_EXT_V1
-#define FPU_ARCH_FPA (FPU_ARCH_FPE | FPU_FPA_EXT_V2)
+#define FPU_ARCH_VFP_V1xD ARM_FEATURE (0, FPU_VFP_V1xD)
+#define FPU_ARCH_VFP_V1 ARM_FEATURE (0, FPU_VFP_V1)
+#define FPU_ARCH_VFP_V2 ARM_FEATURE (0, FPU_VFP_V2)
+#define FPU_ARCH_VFP_HARD ARM_FEATURE (0, FPU_VFP_HARD)
-#define FPU_ARCH_VFP FPU_VFP_EXT_NONE
-#define FPU_ARCH_VFP_V1xD (FPU_VFP_EXT_V1xD | FPU_VFP_EXT_NONE)
-#define FPU_ARCH_VFP_V1 (FPU_ARCH_VFP_V1xD | FPU_VFP_EXT_V1)
-#define FPU_ARCH_VFP_V2 (FPU_ARCH_VFP_V1 | FPU_VFP_EXT_V2)
+#define FPU_ARCH_ENDIAN_PURE ARM_FEATURE (0, FPU_ENDIAN_PURE)
-#define FPU_ARCH_MAVERICK FPU_MAVERICK
+#define FPU_ARCH_MAVERICK ARM_FEATURE (0, FPU_MAVERICK)
+
+#define ARM_ARCH_V1 ARM_FEATURE (ARM_AEXT_V1, 0)
+#define ARM_ARCH_V2 ARM_FEATURE (ARM_AEXT_V2, 0)
+#define ARM_ARCH_V2S ARM_FEATURE (ARM_AEXT_V2S, 0)
+#define ARM_ARCH_V3 ARM_FEATURE (ARM_AEXT_V3, 0)
+#define ARM_ARCH_V3M ARM_FEATURE (ARM_AEXT_V3M, 0)
+#define ARM_ARCH_V4xM ARM_FEATURE (ARM_AEXT_V4xM, 0)
+#define ARM_ARCH_V4 ARM_FEATURE (ARM_AEXT_V4, 0)
+#define ARM_ARCH_V4TxM ARM_FEATURE (ARM_AEXT_V4TxM, 0)
+#define ARM_ARCH_V4T ARM_FEATURE (ARM_AEXT_V4T, 0)
+#define ARM_ARCH_V5xM ARM_FEATURE (ARM_AEXT_V5xM, 0)
+#define ARM_ARCH_V5 ARM_FEATURE (ARM_AEXT_V5, 0)
+#define ARM_ARCH_V5TxM ARM_FEATURE (ARM_AEXT_V5TxM, 0)
+#define ARM_ARCH_V5T ARM_FEATURE (ARM_AEXT_V5T, 0)
+#define ARM_ARCH_V5TExP ARM_FEATURE (ARM_AEXT_V5TExP, 0)
+#define ARM_ARCH_V5TE ARM_FEATURE (ARM_AEXT_V5TE, 0)
+#define ARM_ARCH_V5TEJ ARM_FEATURE (ARM_AEXT_V5TEJ, 0)
+#define ARM_ARCH_V6 ARM_FEATURE (ARM_AEXT_V6, 0)
+#define ARM_ARCH_V6K ARM_FEATURE (ARM_AEXT_V6K, 0)
+#define ARM_ARCH_V6Z ARM_FEATURE (ARM_AEXT_V6Z, 0)
+#define ARM_ARCH_V6ZK ARM_FEATURE (ARM_AEXT_V6ZK, 0)
+#define ARM_ARCH_V6T2 ARM_FEATURE (ARM_AEXT_V6T2, 0)
+#define ARM_ARCH_V6KT2 ARM_FEATURE (ARM_AEXT_V6KT2, 0)
+#define ARM_ARCH_V6ZT2 ARM_FEATURE (ARM_AEXT_V6ZT2, 0)
+#define ARM_ARCH_V6ZKT2 ARM_FEATURE (ARM_AEXT_V6ZKT2, 0)
/* Some useful combinations: */
-#define ARM_ANY 0x0000ffff /* Any basic core. */
-#define ARM_ALL 0x00ffffff /* Any core + co-processor */
-#define CPROC_ANY 0x00ff0000 /* Any co-processor */
-#define FPU_ANY 0xff000000 /* Note this is ~ARM_ALL. */
+#define ARM_ARCH_NONE ARM_FEATURE (0, 0)
+#define FPU_NONE ARM_FEATURE (0, 0)
+#define ARM_ANY ARM_FEATURE (-1, 0) /* Any basic core. */
+#define FPU_ANY_HARD ARM_FEATURE (0, FPU_FPA | FPU_VFP_HARD | FPU_MAVERICK)
+#define ARM_ARCH_THUMB2 ARM_FEATURE (ARM_EXT_V6T2, 0)
+
+/* There are too many feature bits to fit in a single word, so use a
+ structure. For simplicity we put all core features in one word and
+ everything else in the other. */
+typedef struct
+{
+ unsigned long core;
+ unsigned long coproc;
+} arm_feature_set;
+
+#define ARM_CPU_HAS_FEATURE(CPU,FEAT) \
+ (((CPU).core & (FEAT).core) != 0 || ((CPU).coproc & (FEAT).coproc) != 0)
+
+#define ARM_MERGE_FEATURE_SETS(TARG,F1,F2) \
+ do { \
+ (TARG).core = (F1).core | (F2).core; \
+ (TARG).coproc = (F1).coproc | (F2).coproc; \
+ } while (0)
+
+#define ARM_CLEAR_FEATURE(TARG,F1,F2) \
+ do { \
+ (TARG).core = (F1).core &~ (F2).core; \
+ (TARG).coproc = (F1).coproc &~ (F2).coproc; \
+ } while (0)
+
+#define ARM_FEATURE(core, coproc) {(core), (coproc)}