/* Definitions of target machine for GCC for IA-32.
Copyright (C) 1988, 1992, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
- 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+ 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
This file is part of GCC.
extern const struct processor_costs *ix86_cost;
-/* Run-time compilation parameters selecting different hardware subsets. */
-
-extern int target_flags;
-
/* Macros used in the machine description to test the flags. */
/* configure can arrange to make this 2, to force a 486. */
#endif
#endif
-/* Masks for the -m switches */
-#define MASK_80387 0x00000001 /* Hardware floating point */
-#define MASK_RTD 0x00000002 /* Use ret that pops args */
-#define MASK_ALIGN_DOUBLE 0x00000004 /* align doubles to 2 word boundary */
-#define MASK_SVR3_SHLIB 0x00000008 /* Uninit locals into bss */
-#define MASK_IEEE_FP 0x00000010 /* IEEE fp comparisons */
-#define MASK_FLOAT_RETURNS 0x00000020 /* Return float in st(0) */
-#define MASK_NO_FANCY_MATH_387 0x00000040 /* Disable sin, cos, sqrt */
-#define MASK_OMIT_LEAF_FRAME_POINTER 0x080 /* omit leaf frame pointers */
-#define MASK_STACK_PROBE 0x00000100 /* Enable stack probing */
-#define MASK_NO_ALIGN_STROPS 0x00000200 /* Enable aligning of string ops. */
-#define MASK_INLINE_ALL_STROPS 0x00000400 /* Inline stringops in all cases */
-#define MASK_NO_PUSH_ARGS 0x00000800 /* Use push instructions */
-#define MASK_ACCUMULATE_OUTGOING_ARGS 0x00001000/* Accumulate outgoing args */
-#define MASK_MMX 0x00002000 /* Support MMX regs/builtins */
-#define MASK_SSE 0x00004000 /* Support SSE regs/builtins */
-#define MASK_SSE2 0x00008000 /* Support SSE2 regs/builtins */
-#define MASK_SSE3 0x00010000 /* Support SSE3 regs/builtins */
-#define MASK_3DNOW 0x00020000 /* Support 3Dnow builtins */
-#define MASK_3DNOW_A 0x00040000 /* Support Athlon 3Dnow builtins */
-#define MASK_128BIT_LONG_DOUBLE 0x00080000 /* long double size is 128bit */
-#define MASK_64BIT 0x00100000 /* Produce 64bit code */
-#define MASK_MS_BITFIELD_LAYOUT 0x00200000 /* Use native (MS) bitfield layout */
-#define MASK_TLS_DIRECT_SEG_REFS 0x00400000 /* Avoid adding %gs:0 */
-
-/* Unused: 0x03e0000 */
-
-/* ... overlap with subtarget options starts by 0x04000000. */
-#define MASK_NO_RED_ZONE 0x04000000 /* Do not use red zone */
-
-/* Use the floating point instructions */
-#define TARGET_80387 (target_flags & MASK_80387)
-
-/* Compile using ret insn that pops args.
- This will not work unless you use prototypes at least
- for all functions that can take varying numbers of args. */
-#define TARGET_RTD (target_flags & MASK_RTD)
-
-/* Align doubles to a two word boundary. This breaks compatibility with
- the published ABI's for structures containing doubles, but produces
- faster code on the pentium. */
-#define TARGET_ALIGN_DOUBLE (target_flags & MASK_ALIGN_DOUBLE)
-
-/* Use push instructions to save outgoing args. */
-#define TARGET_PUSH_ARGS (!(target_flags & MASK_NO_PUSH_ARGS))
-
-/* Accumulate stack adjustments to prologue/epilogue. */
-#define TARGET_ACCUMULATE_OUTGOING_ARGS \
- (target_flags & MASK_ACCUMULATE_OUTGOING_ARGS)
-
-/* Put uninitialized locals into bss, not data.
- Meaningful only on svr3. */
-#define TARGET_SVR3_SHLIB (target_flags & MASK_SVR3_SHLIB)
-
-/* Use IEEE floating point comparisons. These handle correctly the cases
- where the result of a comparison is unordered. Normally SIGFPE is
- generated in such cases, in which case this isn't needed. */
-#define TARGET_IEEE_FP (target_flags & MASK_IEEE_FP)
-
-/* Functions that return a floating point value may return that value
- in the 387 FPU or in 386 integer registers. If set, this flag causes
- the 387 to be used, which is compatible with most calling conventions. */
-#define TARGET_FLOAT_RETURNS_IN_80387 (target_flags & MASK_FLOAT_RETURNS)
-
-/* Long double is 128bit instead of 96bit, even when only 80bits are used.
- This mode wastes cache, but avoid misaligned data accesses and simplifies
- address calculations. */
-#define TARGET_128BIT_LONG_DOUBLE (target_flags & MASK_128BIT_LONG_DOUBLE)
-
-/* Disable generation of FP sin, cos and sqrt operations for 387.
- This is because FreeBSD lacks these in the math-emulator-code */
-#define TARGET_NO_FANCY_MATH_387 (target_flags & MASK_NO_FANCY_MATH_387)
-
-/* Generate 387 floating point intrinsics for the current target. */
-#define TARGET_USE_FANCY_MATH_387 (! TARGET_NO_FANCY_MATH_387)
-
-/* Don't create frame pointers for leaf functions */
-#define TARGET_OMIT_LEAF_FRAME_POINTER \
- (target_flags & MASK_OMIT_LEAF_FRAME_POINTER)
-
-/* Debug GO_IF_LEGITIMATE_ADDRESS */
-#define TARGET_DEBUG_ADDR (ix86_debug_addr_string != 0)
-
-/* Debug FUNCTION_ARG macros */
-#define TARGET_DEBUG_ARG (ix86_debug_arg_string != 0)
+#ifndef TARGET_FPMATH_DEFAULT
+#define TARGET_FPMATH_DEFAULT \
+ (TARGET_64BIT && TARGET_SSE ? FPMATH_SSE : FPMATH_387)
+#endif
+
+#define TARGET_FLOAT_RETURNS_IN_80387 TARGET_FLOAT_RETURNS
/* 64bit Sledgehammer mode. For libgcc2 we make sure this is a
compile-time constant. */
#ifdef IN_LIBGCC2
+#undef TARGET_64BIT
#ifdef __x86_64__
#define TARGET_64BIT 1
#else
#define TARGET_64BIT 0
#endif
#else
-#ifdef TARGET_BI_ARCH
-#define TARGET_64BIT (target_flags & MASK_64BIT)
-#else
+#ifndef TARGET_BI_ARCH
+#undef TARGET_64BIT
#if TARGET_64BIT_DEFAULT
#define TARGET_64BIT 1
#else
#define HAS_LONG_COND_BRANCH 1
#define HAS_LONG_UNCOND_BRANCH 1
-/* Avoid adding %gs:0 in TLS references; use %gs:address directly. */
-#define TARGET_TLS_DIRECT_SEG_REFS (target_flags & MASK_TLS_DIRECT_SEG_REFS)
-
#define TARGET_386 (ix86_tune == PROCESSOR_I386)
#define TARGET_486 (ix86_tune == PROCESSOR_I486)
#define TARGET_PENTIUM (ix86_tune == PROCESSOR_PENTIUM)
#define TUNEMASK (1 << ix86_tune)
extern const int x86_use_leave, x86_push_memory, x86_zero_extend_with_and;
-extern const int x86_use_bit_test, x86_cmove, x86_deep_branch;
+extern const int x86_use_bit_test, x86_cmove, x86_fisttp, x86_deep_branch;
extern const int x86_branch_hints, x86_unroll_strlen;
extern const int x86_double_with_add, x86_partial_reg_stall, x86_movx;
-extern const int x86_use_loop, x86_use_fiop, x86_use_mov0;
-extern const int x86_use_cltd, x86_read_modify_write;
+extern const int x86_use_loop, x86_use_himode_fiop, x86_use_simode_fiop;
+extern const int x86_use_mov0, x86_use_cltd, x86_read_modify_write;
extern const int x86_read_modify, x86_split_long_moves;
extern const int x86_promote_QImode, x86_single_stringop, x86_fast_prefix;
extern const int x86_himode_math, x86_qimode_math, x86_promote_qi_regs;
extern const int x86_accumulate_outgoing_args, x86_prologue_using_move;
extern const int x86_epilogue_using_move, x86_decompose_lea;
extern const int x86_arch_always_fancy_math_387, x86_shift1;
-extern const int x86_sse_partial_reg_dependency, x86_sse_partial_regs;
+extern const int x86_sse_partial_reg_dependency, x86_sse_split_regs;
extern const int x86_sse_typeless_stores, x86_sse_load0_by_pxor;
-extern const int x86_use_ffreep, x86_sse_partial_regs_for_cvtsd2ss;
+extern const int x86_use_ffreep;
extern const int x86_inter_unit_moves, x86_schedule;
extern const int x86_use_bt;
+extern const int x86_cmpxchg, x86_xadd;
extern int x86_prefetch_sse;
#define TARGET_USE_LEAVE (x86_use_leave & TUNEMASK)
/* For sane SSE instruction set generation we need fcomi instruction. It is
safe to enable all CMOVE instructions. */
#define TARGET_CMOVE ((x86_cmove & (1 << ix86_arch)) || TARGET_SSE)
+#define TARGET_FISTTP (x86_fisttp & (1 << ix86_arch))
#define TARGET_DEEP_BRANCH_PREDICTION (x86_deep_branch & TUNEMASK)
#define TARGET_BRANCH_PREDICTION_HINTS (x86_branch_hints & TUNEMASK)
#define TARGET_DOUBLE_WITH_ADD (x86_double_with_add & TUNEMASK)
#define TARGET_MOVX (x86_movx & TUNEMASK)
#define TARGET_PARTIAL_REG_STALL (x86_partial_reg_stall & TUNEMASK)
#define TARGET_USE_LOOP (x86_use_loop & TUNEMASK)
-#define TARGET_USE_FIOP (x86_use_fiop & TUNEMASK)
+#define TARGET_USE_HIMODE_FIOP (x86_use_himode_fiop & TUNEMASK)
+#define TARGET_USE_SIMODE_FIOP (x86_use_simode_fiop & TUNEMASK)
#define TARGET_USE_MOV0 (x86_use_mov0 & TUNEMASK)
#define TARGET_USE_CLTD (x86_use_cltd & TUNEMASK)
#define TARGET_SPLIT_LONG_MOVES (x86_split_long_moves & TUNEMASK)
#define TARGET_PARTIAL_REG_DEPENDENCY (x86_partial_reg_dependency & TUNEMASK)
#define TARGET_SSE_PARTIAL_REG_DEPENDENCY \
(x86_sse_partial_reg_dependency & TUNEMASK)
-#define TARGET_SSE_PARTIAL_REGS (x86_sse_partial_regs & TUNEMASK)
-#define TARGET_SSE_PARTIAL_REGS_FOR_CVTSD2SS \
- (x86_sse_partial_regs_for_cvtsd2ss & TUNEMASK)
+#define TARGET_SSE_SPLIT_REGS (x86_sse_split_regs & TUNEMASK)
#define TARGET_SSE_TYPELESS_STORES (x86_sse_typeless_stores & TUNEMASK)
#define TARGET_SSE_LOAD0_BY_PXOR (x86_sse_load0_by_pxor & TUNEMASK)
#define TARGET_MEMORY_MISMATCH_STALL (x86_memory_mismatch_stall & TUNEMASK)
#define TARGET_SCHEDULE (x86_schedule & TUNEMASK)
#define TARGET_USE_BT (x86_use_bt & TUNEMASK)
-#define TARGET_STACK_PROBE (target_flags & MASK_STACK_PROBE)
-
-#define TARGET_ALIGN_STRINGOPS (!(target_flags & MASK_NO_ALIGN_STROPS))
-#define TARGET_INLINE_ALL_STRINGOPS (target_flags & MASK_INLINE_ALL_STROPS)
-
#define ASSEMBLER_DIALECT (ix86_asm_dialect)
-#define TARGET_SSE ((target_flags & MASK_SSE) != 0)
-#define TARGET_SSE2 ((target_flags & MASK_SSE2) != 0)
-#define TARGET_SSE3 ((target_flags & MASK_SSE3) != 0)
#define TARGET_SSE_MATH ((ix86_fpmath & FPMATH_SSE) != 0)
#define TARGET_MIX_SSE_I387 ((ix86_fpmath & FPMATH_SSE) \
&& (ix86_fpmath & FPMATH_387))
-#define TARGET_MMX ((target_flags & MASK_MMX) != 0)
-#define TARGET_3DNOW ((target_flags & MASK_3DNOW) != 0)
-#define TARGET_3DNOW_A ((target_flags & MASK_3DNOW_A) != 0)
-
-#define TARGET_RED_ZONE (!(target_flags & MASK_NO_RED_ZONE))
-
-#define TARGET_USE_MS_BITFIELD_LAYOUT (target_flags & MASK_MS_BITFIELD_LAYOUT)
#define TARGET_GNU_TLS (ix86_tls_dialect == TLS_DIALECT_GNU)
#define TARGET_SUN_TLS (ix86_tls_dialect == TLS_DIALECT_SUN)
-/* WARNING: Do not mark empty strings for translation, as calling
- gettext on an empty string does NOT return an empty
- string. */
-
-
-#define TARGET_SWITCHES \
-{ { "80387", MASK_80387, N_("Use hardware fp") }, \
- { "no-80387", -MASK_80387, N_("Do not use hardware fp") }, \
- { "hard-float", MASK_80387, N_("Use hardware fp") }, \
- { "soft-float", -MASK_80387, N_("Do not use hardware fp") }, \
- { "no-soft-float", MASK_80387, N_("Use hardware fp") }, \
- { "386", 0, "" /*Deprecated.*/}, \
- { "486", 0, "" /*Deprecated.*/}, \
- { "pentium", 0, "" /*Deprecated.*/}, \
- { "pentiumpro", 0, "" /*Deprecated.*/}, \
- { "intel-syntax", 0, "" /*Deprecated.*/}, \
- { "no-intel-syntax", 0, "" /*Deprecated.*/}, \
- { "rtd", MASK_RTD, \
- N_("Alternate calling convention") }, \
- { "no-rtd", -MASK_RTD, \
- N_("Use normal calling convention") }, \
- { "align-double", MASK_ALIGN_DOUBLE, \
- N_("Align some doubles on dword boundary") }, \
- { "no-align-double", -MASK_ALIGN_DOUBLE, \
- N_("Align doubles on word boundary") }, \
- { "svr3-shlib", MASK_SVR3_SHLIB, \
- N_("Uninitialized locals in .bss") }, \
- { "no-svr3-shlib", -MASK_SVR3_SHLIB, \
- N_("Uninitialized locals in .data") }, \
- { "ieee-fp", MASK_IEEE_FP, \
- N_("Use IEEE math for fp comparisons") }, \
- { "no-ieee-fp", -MASK_IEEE_FP, \
- N_("Do not use IEEE math for fp comparisons") }, \
- { "fp-ret-in-387", MASK_FLOAT_RETURNS, \
- N_("Return values of functions in FPU registers") }, \
- { "no-fp-ret-in-387", -MASK_FLOAT_RETURNS , \
- N_("Do not return values of functions in FPU registers")}, \
- { "no-fancy-math-387", MASK_NO_FANCY_MATH_387, \
- N_("Do not generate sin, cos, sqrt for FPU") }, \
- { "fancy-math-387", -MASK_NO_FANCY_MATH_387, \
- N_("Generate sin, cos, sqrt for FPU")}, \
- { "omit-leaf-frame-pointer", MASK_OMIT_LEAF_FRAME_POINTER, \
- N_("Omit the frame pointer in leaf functions") }, \
- { "no-omit-leaf-frame-pointer",-MASK_OMIT_LEAF_FRAME_POINTER, "" }, \
- { "stack-arg-probe", MASK_STACK_PROBE, \
- N_("Enable stack probing") }, \
- { "no-stack-arg-probe", -MASK_STACK_PROBE, "" }, \
- { "windows", 0, 0 /* undocumented */ }, \
- { "dll", 0, 0 /* undocumented */ }, \
- { "align-stringops", -MASK_NO_ALIGN_STROPS, \
- N_("Align destination of the string operations") }, \
- { "no-align-stringops", MASK_NO_ALIGN_STROPS, \
- N_("Do not align destination of the string operations") }, \
- { "inline-all-stringops", MASK_INLINE_ALL_STROPS, \
- N_("Inline all known string operations") }, \
- { "no-inline-all-stringops", -MASK_INLINE_ALL_STROPS, \
- N_("Do not inline all known string operations") }, \
- { "push-args", -MASK_NO_PUSH_ARGS, \
- N_("Use push instructions to save outgoing arguments") }, \
- { "no-push-args", MASK_NO_PUSH_ARGS, \
- N_("Do not use push instructions to save outgoing arguments") }, \
- { "accumulate-outgoing-args", MASK_ACCUMULATE_OUTGOING_ARGS, \
- N_("Use push instructions to save outgoing arguments") }, \
- { "no-accumulate-outgoing-args",-MASK_ACCUMULATE_OUTGOING_ARGS, \
- N_("Do not use push instructions to save outgoing arguments") }, \
- { "mmx", MASK_MMX, \
- N_("Support MMX built-in functions") }, \
- { "no-mmx", -MASK_MMX, \
- N_("Do not support MMX built-in functions") }, \
- { "3dnow", MASK_3DNOW, \
- N_("Support 3DNow! built-in functions") }, \
- { "no-3dnow", -MASK_3DNOW, \
- N_("Do not support 3DNow! built-in functions") }, \
- { "sse", MASK_SSE, \
- N_("Support MMX and SSE built-in functions and code generation") }, \
- { "no-sse", -MASK_SSE, \
- N_("Do not support MMX and SSE built-in functions and code generation") },\
- { "sse2", MASK_SSE2, \
- N_("Support MMX, SSE and SSE2 built-in functions and code generation") }, \
- { "no-sse2", -MASK_SSE2, \
- N_("Do not support MMX, SSE and SSE2 built-in functions and code generation") }, \
- { "sse3", MASK_SSE3, \
- N_("Support MMX, SSE, SSE2 and SSE3 built-in functions and code generation") },\
- { "no-sse3", -MASK_SSE3, \
- N_("Do not support MMX, SSE, SSE2 and SSE3 built-in functions and code generation") },\
- { "128bit-long-double", MASK_128BIT_LONG_DOUBLE, \
- N_("sizeof(long double) is 16") }, \
- { "96bit-long-double", -MASK_128BIT_LONG_DOUBLE, \
- N_("sizeof(long double) is 12") }, \
- { "64", MASK_64BIT, \
- N_("Generate 64bit x86-64 code") }, \
- { "32", -MASK_64BIT, \
- N_("Generate 32bit i386 code") }, \
- { "ms-bitfields", MASK_MS_BITFIELD_LAYOUT, \
- N_("Use native (MS) bitfield layout") }, \
- { "no-ms-bitfields", -MASK_MS_BITFIELD_LAYOUT, \
- N_("Use gcc default bitfield layout") }, \
- { "red-zone", -MASK_NO_RED_ZONE, \
- N_("Use red-zone in the x86-64 code") }, \
- { "no-red-zone", MASK_NO_RED_ZONE, \
- N_("Do not use red-zone in the x86-64 code") }, \
- { "tls-direct-seg-refs", MASK_TLS_DIRECT_SEG_REFS, \
- N_("Use direct references against %gs when accessing tls data") }, \
- { "no-tls-direct-seg-refs", -MASK_TLS_DIRECT_SEG_REFS, \
- N_("Do not use direct references against %gs when accessing tls data") }, \
- SUBTARGET_SWITCHES \
- { "", \
- TARGET_DEFAULT | TARGET_64BIT_DEFAULT | TARGET_SUBTARGET_DEFAULT \
- | TARGET_TLS_DIRECT_SEG_REFS_DEFAULT, 0 }}
+#define TARGET_CMPXCHG (x86_cmpxchg & (1 << ix86_arch))
+#define TARGET_XADD (x86_xadd & (1 << ix86_arch))
#ifndef TARGET_64BIT_DEFAULT
#define TARGET_64BIT_DEFAULT 0
with the rounding mode forced to 53 bits. */
#define TARGET_96_ROUND_53_LONG_DOUBLE 0
-/* This macro is similar to `TARGET_SWITCHES' but defines names of
- command options that have values. Its definition is an
- initializer with a subgrouping for each command option.
-
- Each subgrouping contains a string constant, that defines the
- fixed part of the option name, and the address of a variable. The
- variable, type `char *', is set to the variable part of the given
- option if the fixed part matches. The actual option name is made
- by appending `-m' to the specified name. */
-#define TARGET_OPTIONS \
-{ { "tune=", &ix86_tune_string, \
- N_("Schedule code for given CPU"), 0}, \
- { "fpmath=", &ix86_fpmath_string, \
- N_("Generate floating point mathematics using given instruction set"), 0},\
- { "arch=", &ix86_arch_string, \
- N_("Generate code for given CPU"), 0}, \
- { "regparm=", &ix86_regparm_string, \
- N_("Number of registers used to pass integer arguments"), 0},\
- { "align-loops=", &ix86_align_loops_string, \
- N_("Loop code aligned to this power of 2"), 0}, \
- { "align-jumps=", &ix86_align_jumps_string, \
- N_("Jump targets are aligned to this power of 2"), 0}, \
- { "align-functions=", &ix86_align_funcs_string, \
- N_("Function starts are aligned to this power of 2"), 0}, \
- { "preferred-stack-boundary=", \
- &ix86_preferred_stack_boundary_string, \
- N_("Attempt to keep stack aligned to this power of 2"), 0}, \
- { "branch-cost=", &ix86_branch_cost_string, \
- N_("Branches are this expensive (1-5, arbitrary units)"), 0},\
- { "cmodel=", &ix86_cmodel_string, \
- N_("Use given x86-64 code model"), 0}, \
- { "debug-arg", &ix86_debug_arg_string, \
- "" /* Undocumented. */, 0}, \
- { "debug-addr", &ix86_debug_addr_string, \
- "" /* Undocumented. */, 0}, \
- { "asm=", &ix86_asm_string, \
- N_("Use given assembler dialect"), 0}, \
- { "tls-dialect=", &ix86_tls_dialect_string, \
- N_("Use given thread-local storage dialect"), 0}, \
- SUBTARGET_OPTIONS \
-}
-
/* Sometimes certain combinations of command options do not make
sense on a particular target machine. You can define a macro
`OVERRIDE_OPTIONS' to take account of this. This macro, if
#define OVERRIDE_OPTIONS override_options ()
-/* These are meant to be redefined in the host dependent files */
-#define SUBTARGET_SWITCHES
-#define SUBTARGET_OPTIONS
-
/* Define this to change the optimizations performed by default. */
#define OPTIMIZATION_OPTIONS(LEVEL, SIZE) \
optimization_options ((LEVEL), (SIZE))
and the register where structure-value addresses are passed.
Aside from that, you can include as many other registers as you like.
- The value is zero if the register is not fixed on either 32 or
- 64 bit targets, one if the register if fixed on both 32 and 64
- bit targets, two if it is only fixed on 32bit targets and three
- if its only fixed on 64bit targets.
+ The value is zero if the register is not call used on either 32 or
+ 64 bit targets, one if the register if call used on both 32 and 64
+ bit targets, two if it is only call used on 32bit targets and three
+ if its only call used on 64bit targets.
Proper values are computed in the CONDITIONAL_REGISTER_USAGE.
*/
#define CALL_USED_REGISTERS \
((MODE) == DImode || (MODE) == V8QImode || (MODE) == V4HImode \
|| (MODE) == V2SImode || (MODE) == SImode)
-#define UNITS_PER_SIMD_WORD \
- (TARGET_SSE ? 16 : TARGET_MMX || TARGET_3DNOW ? 8 : 0)
+/* ??? No autovectorization into MMX or 3DNOW until we can reliably
+ place emms and femms instructions. */
+#define UNITS_PER_SIMD_WORD (TARGET_SSE ? 16 : UNITS_PER_WORD)
#define VALID_FP_MODE_P(MODE) \
((MODE) == SFmode || (MODE) == DFmode || (MODE) == XFmode \
|| (MODE) == V8HImode || (MODE) == V2DFmode || (MODE) == V2DImode \
|| (MODE) == V4SFmode || (MODE) == V4SImode)
-/* Return true for modes passed in MMX registers. */
-#define MMX_REG_MODE_P(MODE) \
- ((MODE) == V8QImode || (MODE) == V4HImode || (MODE) == V2SImode \
- || (MODE) == V2SFmode)
-
/* Value is 1 if hard register REGNO can hold a value of machine-mode MODE. */
#define HARD_REGNO_MODE_OK(REGNO, MODE) \
If HARD_REGNO_MODE_OK could produce different values for MODE1 and MODE2,
for any hard reg, then this must be 0 for correct output. */
-#define MODES_TIEABLE_P(MODE1, MODE2) \
- ((MODE1) == (MODE2) \
- || (((MODE1) == HImode || (MODE1) == SImode \
- || ((MODE1) == QImode \
- && (TARGET_64BIT || !TARGET_PARTIAL_REG_STALL)) \
- || ((MODE1) == DImode && TARGET_64BIT)) \
- && ((MODE2) == HImode || (MODE2) == SImode \
- || ((MODE2) == QImode \
- && (TARGET_64BIT || !TARGET_PARTIAL_REG_STALL)) \
- || ((MODE2) == DImode && TARGET_64BIT))))
+#define MODES_TIEABLE_P(MODE1, MODE2) ix86_modes_tieable_p (MODE1, MODE2)
/* It is possible to write patterns to move flags; but until someone
does it, */
This is computed in `reload', in reload1.c. */
#define FRAME_POINTER_REQUIRED ix86_frame_pointer_required ()
-/* Override this in other tm.h files to cope with various OS losage
+/* Override this in other tm.h files to cope with various OS lossage
requiring a frame pointer. */
#ifndef SUBTARGET_FRAME_POINTER_REQUIRED
#define SUBTARGET_FRAME_POINTER_REQUIRED 0
#define FLOAT_CLASS_P(CLASS) \
reg_class_subset_p ((CLASS), FLOAT_REGS)
#define SSE_CLASS_P(CLASS) \
- reg_class_subset_p ((CLASS), SSE_REGS)
+ ((CLASS) == SSE_REGS)
#define MMX_CLASS_P(CLASS) \
- reg_class_subset_p ((CLASS), MMX_REGS)
+ ((CLASS) == MMX_REGS)
#define MAYBE_INTEGER_CLASS_P(CLASS) \
reg_classes_intersect_p ((CLASS), GENERAL_REGS)
#define MAYBE_FLOAT_CLASS_P(CLASS) \
|| ((CLASS) == FP_TOP_REG) \
|| ((CLASS) == FP_SECOND_REG))
-/* Return a class of registers that cannot change FROM mode to TO mode.
+/* Return a class of registers that cannot change FROM mode to TO mode. */
- x87 registers can't do subreg as all values are reformated to extended
- precision. XMM registers does not support with nonzero offsets equal
- to 4, 8 and 12 otherwise valid for integer registers. Since we can't
- determine these, prohibit all nonparadoxical subregs changing size. */
-
-#define CANNOT_CHANGE_MODE_CLASS(FROM, TO, CLASS) \
- (GET_MODE_SIZE (TO) < GET_MODE_SIZE (FROM) \
- ? reg_classes_intersect_p (FLOAT_SSE_REGS, (CLASS)) \
- || MAYBE_MMX_CLASS_P (CLASS) \
- : GET_MODE_SIZE (FROM) != GET_MODE_SIZE (TO) \
- ? reg_classes_intersect_p (FLOAT_REGS, (CLASS)) : 0)
+#define CANNOT_CHANGE_MODE_CLASS(FROM, TO, CLASS) \
+ ix86_cannot_change_mode_class (FROM, TO, CLASS)
\f
/* Stack layout; function entry, exit and calling. */
If the precise function being called is known, FUNC is its FUNCTION_DECL;
otherwise, FUNC is 0. */
#define FUNCTION_VALUE(VALTYPE, FUNC) \
- ix86_function_value (VALTYPE)
+ ix86_function_value (VALTYPE, FUNC)
#define FUNCTION_VALUE_REGNO_P(N) \
ix86_function_value_regno_p (N)
int words; /* # words passed so far */
int nregs; /* # registers available for passing */
int regno; /* next available register number */
- int fastcall; /* fastcall calling convention is used */
+ int fastcall; /* fastcall calling convention is used */
int sse_words; /* # sse words passed so far */
int sse_nregs; /* # sse registers available for passing */
int warn_sse; /* True when we want to warn about SSE ABI. */
int mmx_nregs; /* # mmx registers available for passing */
int mmx_regno; /* next available mmx register number */
int maybe_vaarg; /* true for calls to possibly vardic fncts. */
+ int float_in_sse; /* true if in 32-bit mode SFmode/DFmode should
+ be passed in SSE registers. */
} CUMULATIVE_ARGS;
/* Initialize a variable CUM of type CUMULATIVE_ARGS
#define FUNCTION_ARG(CUM, MODE, TYPE, NAMED) \
function_arg (&(CUM), (MODE), (TYPE), (NAMED))
-/* For an arg passed partly in registers and partly in memory,
- this is the number of registers used.
- For args passed entirely in registers or entirely in memory, zero. */
-
-#define FUNCTION_ARG_PARTIAL_NREGS(CUM, MODE, TYPE, NAMED) 0
-
/* Implement `va_start' for varargs and stdarg. */
#define EXPAND_BUILTIN_VA_START(VALIST, NEXTARG) \
ix86_va_start (VALIST, NEXTARG)
goto LABEL; \
} while (0)
\f
-/* Codes for all the SSE/MMX builtins. */
-enum ix86_builtins
-{
- IX86_BUILTIN_ADDPS,
- IX86_BUILTIN_ADDSS,
- IX86_BUILTIN_DIVPS,
- IX86_BUILTIN_DIVSS,
- IX86_BUILTIN_MULPS,
- IX86_BUILTIN_MULSS,
- IX86_BUILTIN_SUBPS,
- IX86_BUILTIN_SUBSS,
-
- IX86_BUILTIN_CMPEQPS,
- IX86_BUILTIN_CMPLTPS,
- IX86_BUILTIN_CMPLEPS,
- IX86_BUILTIN_CMPGTPS,
- IX86_BUILTIN_CMPGEPS,
- IX86_BUILTIN_CMPNEQPS,
- IX86_BUILTIN_CMPNLTPS,
- IX86_BUILTIN_CMPNLEPS,
- IX86_BUILTIN_CMPNGTPS,
- IX86_BUILTIN_CMPNGEPS,
- IX86_BUILTIN_CMPORDPS,
- IX86_BUILTIN_CMPUNORDPS,
- IX86_BUILTIN_CMPNEPS,
- IX86_BUILTIN_CMPEQSS,
- IX86_BUILTIN_CMPLTSS,
- IX86_BUILTIN_CMPLESS,
- IX86_BUILTIN_CMPNEQSS,
- IX86_BUILTIN_CMPNLTSS,
- IX86_BUILTIN_CMPNLESS,
- IX86_BUILTIN_CMPORDSS,
- IX86_BUILTIN_CMPUNORDSS,
- IX86_BUILTIN_CMPNESS,
-
- IX86_BUILTIN_COMIEQSS,
- IX86_BUILTIN_COMILTSS,
- IX86_BUILTIN_COMILESS,
- IX86_BUILTIN_COMIGTSS,
- IX86_BUILTIN_COMIGESS,
- IX86_BUILTIN_COMINEQSS,
- IX86_BUILTIN_UCOMIEQSS,
- IX86_BUILTIN_UCOMILTSS,
- IX86_BUILTIN_UCOMILESS,
- IX86_BUILTIN_UCOMIGTSS,
- IX86_BUILTIN_UCOMIGESS,
- IX86_BUILTIN_UCOMINEQSS,
-
- IX86_BUILTIN_CVTPI2PS,
- IX86_BUILTIN_CVTPS2PI,
- IX86_BUILTIN_CVTSI2SS,
- IX86_BUILTIN_CVTSI642SS,
- IX86_BUILTIN_CVTSS2SI,
- IX86_BUILTIN_CVTSS2SI64,
- IX86_BUILTIN_CVTTPS2PI,
- IX86_BUILTIN_CVTTSS2SI,
- IX86_BUILTIN_CVTTSS2SI64,
-
- IX86_BUILTIN_MAXPS,
- IX86_BUILTIN_MAXSS,
- IX86_BUILTIN_MINPS,
- IX86_BUILTIN_MINSS,
-
- IX86_BUILTIN_LOADAPS,
- IX86_BUILTIN_LOADUPS,
- IX86_BUILTIN_STOREAPS,
- IX86_BUILTIN_STOREUPS,
- IX86_BUILTIN_LOADSS,
- IX86_BUILTIN_STORESS,
- IX86_BUILTIN_MOVSS,
-
- IX86_BUILTIN_MOVHLPS,
- IX86_BUILTIN_MOVLHPS,
- IX86_BUILTIN_LOADHPS,
- IX86_BUILTIN_LOADLPS,
- IX86_BUILTIN_STOREHPS,
- IX86_BUILTIN_STORELPS,
-
- IX86_BUILTIN_MASKMOVQ,
- IX86_BUILTIN_MOVMSKPS,
- IX86_BUILTIN_PMOVMSKB,
-
- IX86_BUILTIN_MOVNTPS,
- IX86_BUILTIN_MOVNTQ,
-
- IX86_BUILTIN_LOADDQA,
- IX86_BUILTIN_LOADDQU,
- IX86_BUILTIN_STOREDQA,
- IX86_BUILTIN_STOREDQU,
- IX86_BUILTIN_MOVQ,
- IX86_BUILTIN_LOADD,
- IX86_BUILTIN_STORED,
-
- IX86_BUILTIN_CLRTI,
-
- IX86_BUILTIN_PACKSSWB,
- IX86_BUILTIN_PACKSSDW,
- IX86_BUILTIN_PACKUSWB,
-
- IX86_BUILTIN_PADDB,
- IX86_BUILTIN_PADDW,
- IX86_BUILTIN_PADDD,
- IX86_BUILTIN_PADDQ,
- IX86_BUILTIN_PADDSB,
- IX86_BUILTIN_PADDSW,
- IX86_BUILTIN_PADDUSB,
- IX86_BUILTIN_PADDUSW,
- IX86_BUILTIN_PSUBB,
- IX86_BUILTIN_PSUBW,
- IX86_BUILTIN_PSUBD,
- IX86_BUILTIN_PSUBQ,
- IX86_BUILTIN_PSUBSB,
- IX86_BUILTIN_PSUBSW,
- IX86_BUILTIN_PSUBUSB,
- IX86_BUILTIN_PSUBUSW,
-
- IX86_BUILTIN_PAND,
- IX86_BUILTIN_PANDN,
- IX86_BUILTIN_POR,
- IX86_BUILTIN_PXOR,
-
- IX86_BUILTIN_PAVGB,
- IX86_BUILTIN_PAVGW,
-
- IX86_BUILTIN_PCMPEQB,
- IX86_BUILTIN_PCMPEQW,
- IX86_BUILTIN_PCMPEQD,
- IX86_BUILTIN_PCMPGTB,
- IX86_BUILTIN_PCMPGTW,
- IX86_BUILTIN_PCMPGTD,
-
- IX86_BUILTIN_PEXTRW,
- IX86_BUILTIN_PINSRW,
-
- IX86_BUILTIN_PMADDWD,
-
- IX86_BUILTIN_PMAXSW,
- IX86_BUILTIN_PMAXUB,
- IX86_BUILTIN_PMINSW,
- IX86_BUILTIN_PMINUB,
-
- IX86_BUILTIN_PMULHUW,
- IX86_BUILTIN_PMULHW,
- IX86_BUILTIN_PMULLW,
-
- IX86_BUILTIN_PSADBW,
- IX86_BUILTIN_PSHUFW,
-
- IX86_BUILTIN_PSLLW,
- IX86_BUILTIN_PSLLD,
- IX86_BUILTIN_PSLLQ,
- IX86_BUILTIN_PSRAW,
- IX86_BUILTIN_PSRAD,
- IX86_BUILTIN_PSRLW,
- IX86_BUILTIN_PSRLD,
- IX86_BUILTIN_PSRLQ,
- IX86_BUILTIN_PSLLWI,
- IX86_BUILTIN_PSLLDI,
- IX86_BUILTIN_PSLLQI,
- IX86_BUILTIN_PSRAWI,
- IX86_BUILTIN_PSRADI,
- IX86_BUILTIN_PSRLWI,
- IX86_BUILTIN_PSRLDI,
- IX86_BUILTIN_PSRLQI,
-
- IX86_BUILTIN_PUNPCKHBW,
- IX86_BUILTIN_PUNPCKHWD,
- IX86_BUILTIN_PUNPCKHDQ,
- IX86_BUILTIN_PUNPCKLBW,
- IX86_BUILTIN_PUNPCKLWD,
- IX86_BUILTIN_PUNPCKLDQ,
-
- IX86_BUILTIN_SHUFPS,
-
- IX86_BUILTIN_RCPPS,
- IX86_BUILTIN_RCPSS,
- IX86_BUILTIN_RSQRTPS,
- IX86_BUILTIN_RSQRTSS,
- IX86_BUILTIN_SQRTPS,
- IX86_BUILTIN_SQRTSS,
-
- IX86_BUILTIN_UNPCKHPS,
- IX86_BUILTIN_UNPCKLPS,
-
- IX86_BUILTIN_ANDPS,
- IX86_BUILTIN_ANDNPS,
- IX86_BUILTIN_ORPS,
- IX86_BUILTIN_XORPS,
-
- IX86_BUILTIN_EMMS,
- IX86_BUILTIN_LDMXCSR,
- IX86_BUILTIN_STMXCSR,
- IX86_BUILTIN_SFENCE,
-
- /* 3DNow! Original */
- IX86_BUILTIN_FEMMS,
- IX86_BUILTIN_PAVGUSB,
- IX86_BUILTIN_PF2ID,
- IX86_BUILTIN_PFACC,
- IX86_BUILTIN_PFADD,
- IX86_BUILTIN_PFCMPEQ,
- IX86_BUILTIN_PFCMPGE,
- IX86_BUILTIN_PFCMPGT,
- IX86_BUILTIN_PFMAX,
- IX86_BUILTIN_PFMIN,
- IX86_BUILTIN_PFMUL,
- IX86_BUILTIN_PFRCP,
- IX86_BUILTIN_PFRCPIT1,
- IX86_BUILTIN_PFRCPIT2,
- IX86_BUILTIN_PFRSQIT1,
- IX86_BUILTIN_PFRSQRT,
- IX86_BUILTIN_PFSUB,
- IX86_BUILTIN_PFSUBR,
- IX86_BUILTIN_PI2FD,
- IX86_BUILTIN_PMULHRW,
-
- /* 3DNow! Athlon Extensions */
- IX86_BUILTIN_PF2IW,
- IX86_BUILTIN_PFNACC,
- IX86_BUILTIN_PFPNACC,
- IX86_BUILTIN_PI2FW,
- IX86_BUILTIN_PSWAPDSI,
- IX86_BUILTIN_PSWAPDSF,
-
- IX86_BUILTIN_SSE_ZERO,
- IX86_BUILTIN_MMX_ZERO,
-
- /* SSE2 */
- IX86_BUILTIN_ADDPD,
- IX86_BUILTIN_ADDSD,
- IX86_BUILTIN_DIVPD,
- IX86_BUILTIN_DIVSD,
- IX86_BUILTIN_MULPD,
- IX86_BUILTIN_MULSD,
- IX86_BUILTIN_SUBPD,
- IX86_BUILTIN_SUBSD,
-
- IX86_BUILTIN_CMPEQPD,
- IX86_BUILTIN_CMPLTPD,
- IX86_BUILTIN_CMPLEPD,
- IX86_BUILTIN_CMPGTPD,
- IX86_BUILTIN_CMPGEPD,
- IX86_BUILTIN_CMPNEQPD,
- IX86_BUILTIN_CMPNLTPD,
- IX86_BUILTIN_CMPNLEPD,
- IX86_BUILTIN_CMPNGTPD,
- IX86_BUILTIN_CMPNGEPD,
- IX86_BUILTIN_CMPORDPD,
- IX86_BUILTIN_CMPUNORDPD,
- IX86_BUILTIN_CMPNEPD,
- IX86_BUILTIN_CMPEQSD,
- IX86_BUILTIN_CMPLTSD,
- IX86_BUILTIN_CMPLESD,
- IX86_BUILTIN_CMPNEQSD,
- IX86_BUILTIN_CMPNLTSD,
- IX86_BUILTIN_CMPNLESD,
- IX86_BUILTIN_CMPORDSD,
- IX86_BUILTIN_CMPUNORDSD,
- IX86_BUILTIN_CMPNESD,
-
- IX86_BUILTIN_COMIEQSD,
- IX86_BUILTIN_COMILTSD,
- IX86_BUILTIN_COMILESD,
- IX86_BUILTIN_COMIGTSD,
- IX86_BUILTIN_COMIGESD,
- IX86_BUILTIN_COMINEQSD,
- IX86_BUILTIN_UCOMIEQSD,
- IX86_BUILTIN_UCOMILTSD,
- IX86_BUILTIN_UCOMILESD,
- IX86_BUILTIN_UCOMIGTSD,
- IX86_BUILTIN_UCOMIGESD,
- IX86_BUILTIN_UCOMINEQSD,
-
- IX86_BUILTIN_MAXPD,
- IX86_BUILTIN_MAXSD,
- IX86_BUILTIN_MINPD,
- IX86_BUILTIN_MINSD,
-
- IX86_BUILTIN_ANDPD,
- IX86_BUILTIN_ANDNPD,
- IX86_BUILTIN_ORPD,
- IX86_BUILTIN_XORPD,
-
- IX86_BUILTIN_SQRTPD,
- IX86_BUILTIN_SQRTSD,
-
- IX86_BUILTIN_UNPCKHPD,
- IX86_BUILTIN_UNPCKLPD,
-
- IX86_BUILTIN_SHUFPD,
-
- IX86_BUILTIN_LOADAPD,
- IX86_BUILTIN_LOADUPD,
- IX86_BUILTIN_STOREAPD,
- IX86_BUILTIN_STOREUPD,
- IX86_BUILTIN_LOADSD,
- IX86_BUILTIN_STORESD,
- IX86_BUILTIN_MOVSD,
-
- IX86_BUILTIN_LOADHPD,
- IX86_BUILTIN_LOADLPD,
- IX86_BUILTIN_STOREHPD,
- IX86_BUILTIN_STORELPD,
-
- IX86_BUILTIN_CVTDQ2PD,
- IX86_BUILTIN_CVTDQ2PS,
-
- IX86_BUILTIN_CVTPD2DQ,
- IX86_BUILTIN_CVTPD2PI,
- IX86_BUILTIN_CVTPD2PS,
- IX86_BUILTIN_CVTTPD2DQ,
- IX86_BUILTIN_CVTTPD2PI,
-
- IX86_BUILTIN_CVTPI2PD,
- IX86_BUILTIN_CVTSI2SD,
- IX86_BUILTIN_CVTSI642SD,
-
- IX86_BUILTIN_CVTSD2SI,
- IX86_BUILTIN_CVTSD2SI64,
- IX86_BUILTIN_CVTSD2SS,
- IX86_BUILTIN_CVTSS2SD,
- IX86_BUILTIN_CVTTSD2SI,
- IX86_BUILTIN_CVTTSD2SI64,
-
- IX86_BUILTIN_CVTPS2DQ,
- IX86_BUILTIN_CVTPS2PD,
- IX86_BUILTIN_CVTTPS2DQ,
-
- IX86_BUILTIN_MOVNTI,
- IX86_BUILTIN_MOVNTPD,
- IX86_BUILTIN_MOVNTDQ,
-
- IX86_BUILTIN_SETPD1,
- IX86_BUILTIN_SETPD,
- IX86_BUILTIN_CLRPD,
- IX86_BUILTIN_SETRPD,
- IX86_BUILTIN_LOADPD1,
- IX86_BUILTIN_LOADRPD,
- IX86_BUILTIN_STOREPD1,
- IX86_BUILTIN_STORERPD,
-
- /* SSE2 MMX */
- IX86_BUILTIN_MASKMOVDQU,
- IX86_BUILTIN_MOVMSKPD,
- IX86_BUILTIN_PMOVMSKB128,
- IX86_BUILTIN_MOVQ2DQ,
- IX86_BUILTIN_MOVDQ2Q,
-
- IX86_BUILTIN_PACKSSWB128,
- IX86_BUILTIN_PACKSSDW128,
- IX86_BUILTIN_PACKUSWB128,
-
- IX86_BUILTIN_PADDB128,
- IX86_BUILTIN_PADDW128,
- IX86_BUILTIN_PADDD128,
- IX86_BUILTIN_PADDQ128,
- IX86_BUILTIN_PADDSB128,
- IX86_BUILTIN_PADDSW128,
- IX86_BUILTIN_PADDUSB128,
- IX86_BUILTIN_PADDUSW128,
- IX86_BUILTIN_PSUBB128,
- IX86_BUILTIN_PSUBW128,
- IX86_BUILTIN_PSUBD128,
- IX86_BUILTIN_PSUBQ128,
- IX86_BUILTIN_PSUBSB128,
- IX86_BUILTIN_PSUBSW128,
- IX86_BUILTIN_PSUBUSB128,
- IX86_BUILTIN_PSUBUSW128,
-
- IX86_BUILTIN_PAND128,
- IX86_BUILTIN_PANDN128,
- IX86_BUILTIN_POR128,
- IX86_BUILTIN_PXOR128,
-
- IX86_BUILTIN_PAVGB128,
- IX86_BUILTIN_PAVGW128,
-
- IX86_BUILTIN_PCMPEQB128,
- IX86_BUILTIN_PCMPEQW128,
- IX86_BUILTIN_PCMPEQD128,
- IX86_BUILTIN_PCMPGTB128,
- IX86_BUILTIN_PCMPGTW128,
- IX86_BUILTIN_PCMPGTD128,
-
- IX86_BUILTIN_PEXTRW128,
- IX86_BUILTIN_PINSRW128,
-
- IX86_BUILTIN_PMADDWD128,
-
- IX86_BUILTIN_PMAXSW128,
- IX86_BUILTIN_PMAXUB128,
- IX86_BUILTIN_PMINSW128,
- IX86_BUILTIN_PMINUB128,
-
- IX86_BUILTIN_PMULUDQ,
- IX86_BUILTIN_PMULUDQ128,
- IX86_BUILTIN_PMULHUW128,
- IX86_BUILTIN_PMULHW128,
- IX86_BUILTIN_PMULLW128,
-
- IX86_BUILTIN_PSADBW128,
- IX86_BUILTIN_PSHUFHW,
- IX86_BUILTIN_PSHUFLW,
- IX86_BUILTIN_PSHUFD,
-
- IX86_BUILTIN_PSLLW128,
- IX86_BUILTIN_PSLLD128,
- IX86_BUILTIN_PSLLQ128,
- IX86_BUILTIN_PSRAW128,
- IX86_BUILTIN_PSRAD128,
- IX86_BUILTIN_PSRLW128,
- IX86_BUILTIN_PSRLD128,
- IX86_BUILTIN_PSRLQ128,
- IX86_BUILTIN_PSLLDQI128,
- IX86_BUILTIN_PSLLWI128,
- IX86_BUILTIN_PSLLDI128,
- IX86_BUILTIN_PSLLQI128,
- IX86_BUILTIN_PSRAWI128,
- IX86_BUILTIN_PSRADI128,
- IX86_BUILTIN_PSRLDQI128,
- IX86_BUILTIN_PSRLWI128,
- IX86_BUILTIN_PSRLDI128,
- IX86_BUILTIN_PSRLQI128,
-
- IX86_BUILTIN_PUNPCKHBW128,
- IX86_BUILTIN_PUNPCKHWD128,
- IX86_BUILTIN_PUNPCKHDQ128,
- IX86_BUILTIN_PUNPCKHQDQ128,
- IX86_BUILTIN_PUNPCKLBW128,
- IX86_BUILTIN_PUNPCKLWD128,
- IX86_BUILTIN_PUNPCKLDQ128,
- IX86_BUILTIN_PUNPCKLQDQ128,
-
- IX86_BUILTIN_CLFLUSH,
- IX86_BUILTIN_MFENCE,
- IX86_BUILTIN_LFENCE,
-
- /* Prescott New Instructions. */
- IX86_BUILTIN_ADDSUBPS,
- IX86_BUILTIN_HADDPS,
- IX86_BUILTIN_HSUBPS,
- IX86_BUILTIN_MOVSHDUP,
- IX86_BUILTIN_MOVSLDUP,
- IX86_BUILTIN_ADDSUBPD,
- IX86_BUILTIN_HADDPD,
- IX86_BUILTIN_HSUBPD,
- IX86_BUILTIN_LOADDDUP,
- IX86_BUILTIN_MOVDDUP,
- IX86_BUILTIN_LDDQU,
-
- IX86_BUILTIN_MONITOR,
- IX86_BUILTIN_MWAIT,
-
- IX86_BUILTIN_MAX
-};
-\f
/* Max number of args passed in registers. If this is more than 3, we will
have problems with ebx (register #4), since it is a caller save register and
is also used as the pic register in ELF. So for now, don't allow more than
/* How to refer to registers in assembler output.
This sequence is indexed by compiler's hard-register-number (see above). */
-/* In order to refer to the first 8 regs as 32 bit regs prefix an "e"
+/* In order to refer to the first 8 regs as 32 bit regs, prefix an "e".
For non floating point regs, the following are the HImode names.
For float regs, the stack top is sometimes referred to as "%st(0)"
{ "rax", 0 }, { "rdx", 1 }, { "rcx", 2 }, { "rbx", 3 }, \
{ "rsi", 4 }, { "rdi", 5 }, { "rbp", 6 }, { "rsp", 7 }, \
{ "al", 0 }, { "dl", 1 }, { "cl", 2 }, { "bl", 3 }, \
- { "ah", 0 }, { "dh", 1 }, { "ch", 2 }, { "bh", 3 }, \
- { "mm0", 8}, { "mm1", 9}, { "mm2", 10}, { "mm3", 11}, \
- { "mm4", 12}, { "mm5", 13}, { "mm6", 14}, { "mm7", 15} }
+ { "ah", 0 }, { "dh", 1 }, { "ch", 2 }, { "bh", 3 } }
/* Note we are omitting these since currently I don't know how
to get gcc to use these, since they want the same but different
};
extern enum fpmath_unit ix86_fpmath;
-extern const char *ix86_fpmath_string;
enum tls_dialect
{
};
extern enum tls_dialect ix86_tls_dialect;
-extern const char *ix86_tls_dialect_string;
enum cmodel {
CM_32, /* The traditional 32-bit ABI. */
};
extern enum cmodel ix86_cmodel;
-extern const char *ix86_cmodel_string;
/* Size of the RED_ZONE area. */
#define RED_ZONE_SIZE 128
ASM_INTEL
};
-extern const char *ix86_asm_string;
extern enum asm_dialect ix86_asm_dialect;
-
-extern int ix86_regparm;
-extern const char *ix86_regparm_string;
-
extern unsigned int ix86_preferred_stack_boundary;
-extern const char *ix86_preferred_stack_boundary_string;
-
extern int ix86_branch_cost;
-extern const char *ix86_branch_cost_string;
-
-extern const char *ix86_debug_arg_string;
-extern const char *ix86_debug_addr_string;
-
-/* Obsoleted by -f options. Remove before 3.2 ships. */
-extern const char *ix86_align_loops_string;
-extern const char *ix86_align_jumps_string;
-extern const char *ix86_align_funcs_string;
/* Smallest class containing REGNO. */
extern enum reg_class const regclass_map[FIRST_PSEUDO_REGISTER];
extern rtx ix86_compare_op0; /* operand 0 for comparisons */
extern rtx ix86_compare_op1; /* operand 1 for comparisons */
+extern rtx ix86_compare_emitted;
\f
/* To properly truncate FP values into integers, we need to set i387 control
word. We can't emit proper mode switching code before reload, as spills
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