#define TARGET_SSSE3 OPTION_ISA_SSSE3
#define TARGET_SSE4_1 OPTION_ISA_SSE4_1
#define TARGET_SSE4_2 OPTION_ISA_SSE4_2
+#define TARGET_AVX OPTION_ISA_AVX
+#define TARGET_FMA OPTION_ISA_FMA
#define TARGET_SSE4A OPTION_ISA_SSE4A
#define TARGET_SSE5 OPTION_ISA_SSE5
#define TARGET_ROUND OPTION_ISA_ROUND
};
extern const struct processor_costs *ix86_cost;
+extern const struct processor_costs ix86_size_cost;
+
+#define ix86_cur_cost() \
+ (optimize_insn_for_size_p () ? &ix86_size_cost: ix86_cost)
/* Macros used in the machine description to test the flags. */
#define WORDS_BIG_ENDIAN 0
/* Width of a word, in units (bytes). */
-#define UNITS_PER_WORD (TARGET_64BIT ? 8 : 4)
+#define UNITS_PER_WORD (TARGET_64BIT ? 8 : 4)
#ifdef IN_LIBGCC2
#define MIN_UNITS_PER_WORD (TARGET_64BIT ? 8 : 4)
#else
#define PARM_BOUNDARY BITS_PER_WORD
/* Boundary (in *bits*) on which stack pointer should be aligned. */
-#define STACK_BOUNDARY (TARGET_64BIT && DEFAULT_ABI == MS_ABI ? 128 \
- : BITS_PER_WORD)
+#define STACK_BOUNDARY \
+ (TARGET_64BIT && DEFAULT_ABI == MS_ABI ? 128 : BITS_PER_WORD)
+
+/* Stack boundary of the main function guaranteed by OS. */
+#define MAIN_STACK_BOUNDARY (TARGET_64BIT ? 128 : 32)
+
+/* Minimum stack boundary. */
+#define MIN_STACK_BOUNDARY (TARGET_64BIT ? 128 : 32)
/* Boundary (in *bits*) on which the stack pointer prefers to be
aligned; the compiler cannot rely on having this alignment. */
#define PREFERRED_STACK_BOUNDARY ix86_preferred_stack_boundary
-/* As of July 2001, many runtimes do not align the stack properly when
- entering main. This causes expand_main_function to forcibly align
- the stack, which results in aligned frames for functions called from
- main, though it does nothing for the alignment of main itself. */
-#define FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN \
- (ix86_preferred_stack_boundary > STACK_BOUNDARY && !TARGET_64BIT)
+/* It should be MIN_STACK_BOUNDARY. But we set it to 128 bits for
+ both 32bit and 64bit, to support codes that need 128 bit stack
+ alignment for SSE instructions, but can't realign the stack. */
+#define PREFERRED_STACK_BOUNDARY_DEFAULT 128
+
+/* 1 if -mstackrealign should be turned on by default. It will
+ generate an alternate prologue and epilogue that realigns the
+ runtime stack if nessary. This supports mixing codes that keep a
+ 4-byte aligned stack, as specified by i386 psABI, with codes that
+ need a 16-byte aligned stack, as required by SSE instructions. If
+ STACK_REALIGN_DEFAULT is 1 and PREFERRED_STACK_BOUNDARY_DEFAULT is
+ 128, stacks for all functions may be realigned. */
+#define STACK_REALIGN_DEFAULT 0
+
+/* Boundary (in *bits*) on which the incoming stack is aligned. */
+#define INCOMING_STACK_BOUNDARY ix86_incoming_stack_boundary
/* Target OS keeps a vector-aligned (128-bit, 16-byte) stack. This is
mandatory for the 64-bit ABI, and may or may not be true for other
Pentium+ prefers DFmode values to be aligned to 64 bit boundary
and Pentium Pro XFmode values at 128 bit boundaries. */
-#define BIGGEST_ALIGNMENT 128
+#define BIGGEST_ALIGNMENT (TARGET_AVX ? 256: 128)
+
+/* Maximum stack alignment. */
+#define MAX_STACK_ALIGNMENT MAX_OFILE_ALIGNMENT
/* Decide whether a variable of mode MODE should be 128 bit aligned. */
#define ALIGN_MODE_128(MODE) \
#define HARD_REGNO_NREGS_WITH_PADDING(REGNO, MODE) ((MODE) == XFmode ? 4 : 8)
+#define VALID_AVX256_REG_MODE(MODE) \
+ ((MODE) == V32QImode || (MODE) == V16HImode || (MODE) == V8SImode \
+ || (MODE) == V4DImode || (MODE) == V8SFmode || (MODE) == V4DFmode)
+
#define VALID_SSE2_REG_MODE(MODE) \
((MODE) == V16QImode || (MODE) == V8HImode || (MODE) == V2DFmode \
|| (MODE) == V2DImode || (MODE) == DFmode)
|| (MODE) == V4HImode || (MODE) == V8QImode)
/* ??? No autovectorization into MMX or 3DNOW until we can reliably
- place emms and femms instructions. */
-#define UNITS_PER_SIMD_WORD(MODE) (TARGET_SSE ? 16 : UNITS_PER_WORD)
+ place emms and femms instructions.
+ FIXME: AVX has 32byte floating point vector operations and 16byte
+ integer vector operations. But vectorizer doesn't support
+ different sizes for integer and floating point vectors. We limit
+ vector size to 16byte. */
+#define UNITS_PER_SIMD_WORD(MODE) \
+ (TARGET_AVX ? (((MODE) == DFmode || (MODE) == SFmode) ? 16 : 16) \
+ : (TARGET_SSE ? 16 : UNITS_PER_WORD))
#define VALID_DFP_MODE_P(MODE) \
((MODE) == SDmode || (MODE) == DDmode || (MODE) == TDmode)
#define SSE_REG_MODE_P(MODE) \
((MODE) == TImode || (MODE) == V16QImode || (MODE) == TFmode \
|| (MODE) == V8HImode || (MODE) == V2DFmode || (MODE) == V2DImode \
- || (MODE) == V4SFmode || (MODE) == V4SImode)
+ || (MODE) == V4SFmode || (MODE) == V4SImode || (MODE) == V32QImode \
+ || (MODE) == V16HImode || (MODE) == V8SImode || (MODE) == V4DImode \
+ || (MODE) == V8SFmode || (MODE) == V4DFmode)
/* Value is 1 if hard register REGNO can hold a value of machine-mode MODE. */
the pic register when possible. The change is visible after the
prologue has been emitted. */
-#define REAL_PIC_OFFSET_TABLE_REGNUM 3
+#define REAL_PIC_OFFSET_TABLE_REGNUM BX_REG
#define PIC_OFFSET_TABLE_REGNUM \
((TARGET_64BIT && ix86_cmodel == CM_SMALL_PIC) \
{ 0xffffffff,0x1fffff } \
}
+/* The following macro defines cover classes for Integrated Register
+ Allocator. Cover classes is a set of non-intersected register
+ classes covering all hard registers used for register allocation
+ purpose. Any move between two registers of a cover class should be
+ cheaper than load or store of the registers. The macro value is
+ array of register classes with LIM_REG_CLASSES used as the end
+ marker. */
+
+#define IRA_COVER_CLASSES \
+{ \
+ GENERAL_REGS, FLOAT_REGS, MMX_REGS, SSE_REGS, LIM_REG_CLASSES \
+}
+
/* The same information, inverted:
Return the class number of the smallest class containing
reg number REGNO. This could be a conditional expression
#define SSE_VEC_FLOAT_MODE_P(MODE) \
((TARGET_SSE && (MODE) == V4SFmode) || (TARGET_SSE2 && (MODE) == V2DFmode))
+#define AVX_FLOAT_MODE_P(MODE) \
+ (TARGET_AVX && ((MODE) == SFmode || (MODE) == DFmode))
+
+#define AVX128_VEC_FLOAT_MODE_P(MODE) \
+ (TARGET_AVX && ((MODE) == V4SFmode || (MODE) == V2DFmode))
+
+#define AVX256_VEC_FLOAT_MODE_P(MODE) \
+ (TARGET_AVX && ((MODE) == V8SFmode || (MODE) == V4DFmode))
+
+#define AVX_VEC_FLOAT_MODE_P(MODE) \
+ (TARGET_AVX && ((MODE) == V4SFmode || (MODE) == V2DFmode \
+ || (MODE) == V8SFmode || (MODE) == V4DFmode))
+
#define MMX_REG_P(XOP) (REG_P (XOP) && MMX_REGNO_P (REGNO (XOP)))
#define MMX_REGNO_P(N) IN_RANGE ((N), FIRST_MMX_REG, LAST_MMX_REG)
which. */
#define REG_PARM_STACK_SPACE(FNDECL) ix86_reg_parm_stack_space (FNDECL)
-#define OUTGOING_REG_PARM_STACK_SPACE(FNTYPE) (ix86_function_type_abi (FNTYPE) == MS_ABI ? 1 : 0)
+#define OUTGOING_REG_PARM_STACK_SPACE(FNTYPE) \
+ (ix86_function_type_abi (FNTYPE) == MS_ABI)
/* Value is the number of bytes of arguments automatically
popped when returning from a subroutine call.
#define RETURN_POPS_ARGS(FUNDECL, FUNTYPE, SIZE) \
ix86_return_pops_args ((FUNDECL), (FUNTYPE), (SIZE))
-#define FUNCTION_VALUE_REGNO_P(N) \
- ix86_function_value_regno_p (N)
+#define FUNCTION_VALUE_REGNO_P(N) ix86_function_value_regno_p (N)
/* Define how to find the value returned by a library function
assuming the value has mode MODE. */
-#define LIBCALL_VALUE(MODE) \
- ix86_libcall_value (MODE)
+#define LIBCALL_VALUE(MODE) ix86_libcall_value (MODE)
/* Define the size of the result block used for communication between
untyped_call and untyped_return. The block contains a DImode value
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_avx; /* True when we want to warn about AVX ABI. */
int warn_sse; /* True when we want to warn about SSE ABI. */
int warn_mmx; /* True when we want to warn about MMX ABI. */
int sse_regno; /* next available sse register number */
{ FRAME_POINTER_REGNUM, HARD_FRAME_POINTER_REGNUM}} \
/* Given FROM and TO register numbers, say whether this elimination is
- allowed. Frame pointer elimination is automatically handled.
-
- All other eliminations are valid. */
+ allowed. */
-#define CAN_ELIMINATE(FROM, TO) \
- ((TO) == STACK_POINTER_REGNUM ? !frame_pointer_needed : 1)
+#define CAN_ELIMINATE(FROM, TO) ix86_can_eliminate ((FROM), (TO))
/* Define the offset between two registers, one to be eliminated, and the other
its replacement, at the start of a routine. */
#define X64_SSE_REGPARM_MAX 4
#define X86_32_SSE_REGPARM_MAX (TARGET_SSE ? 3 : 0)
-#define REGPARM_MAX (TARGET_64BIT ? (TARGET_64BIT_MS_ABI ? X64_REGPARM_MAX \
- : X86_64_REGPARM_MAX) \
- : X86_32_REGPARM_MAX)
+#define REGPARM_MAX \
+ (TARGET_64BIT ? (TARGET_64BIT_MS_ABI ? X64_REGPARM_MAX \
+ : X86_64_REGPARM_MAX) \
+ : X86_32_REGPARM_MAX)
-#define SSE_REGPARM_MAX (TARGET_64BIT ? (TARGET_64BIT_MS_ABI ? X64_SSE_REGPARM_MAX \
- : X86_64_SSE_REGPARM_MAX) \
- : X86_32_SSE_REGPARM_MAX)
+#define SSE_REGPARM_MAX \
+ (TARGET_64BIT ? (TARGET_64BIT_MS_ABI ? X64_SSE_REGPARM_MAX \
+ : X86_64_SSE_REGPARM_MAX) \
+ : X86_32_SSE_REGPARM_MAX)
#define MMX_REGPARM_MAX (TARGET_64BIT ? 0 : (TARGET_MMX ? 3 : 0))
If you don't define this, a reasonable default is used. */
-#define MOVE_RATIO (optimize_size ? 3 : ix86_cost->move_ratio)
+#define MOVE_RATIO(speed) ((speed) ? ix86_cost->move_ratio : 3)
/* If a clear memory operation would take CLEAR_RATIO or more simple
move-instruction sequences, we will do a clrmem or libcall instead. */
-#define CLEAR_RATIO (optimize_size ? 2 : MIN (6, ix86_cost->move_ratio))
+#define CLEAR_RATIO(speed) ((speed) ? MIN (6, ix86_cost->move_ratio) : 2)
/* Define if shifts truncate the shift count
which implies one can omit a sign-extension or zero-extension
/* A C expression for the cost of a branch instruction. A value of 1
is the default; other values are interpreted relative to that. */
-#define BRANCH_COST ix86_branch_cost
+#define BRANCH_COST(speed_p, predictable_p) \
+ (!(speed_p) ? 2 : (predictable_p) ? 0 : ix86_branch_cost)
/* Define this macro as a C expression which is nonzero if accessing
less than a word of memory (i.e. a `char' or a `short') is no
#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) \
ix86_output_addr_diff_elt ((FILE), (VALUE), (REL))
+/* When we see %v, we will print the 'v' prefix if TARGET_AVX is
+ true. */
+
+#define ASM_OUTPUT_AVX_PREFIX(STREAM, PTR) \
+{ \
+ if ((PTR)[0] == '%' && (PTR)[1] == 'v') \
+ { \
+ if (TARGET_AVX) \
+ (PTR) += 1; \
+ else \
+ (PTR) += 2; \
+ } \
+}
+
+/* A C statement or statements which output an assembler instruction
+ opcode to the stdio stream STREAM. The macro-operand PTR is a
+ variable of type `char *' which points to the opcode name in
+ its "internal" form--the form that is written in the machine
+ description. */
+
+#define ASM_OUTPUT_OPCODE(STREAM, PTR) \
+ ASM_OUTPUT_AVX_PREFIX ((STREAM), (PTR))
+
/* Under some conditions we need jump tables in the text section,
because the assembler cannot handle label differences between
sections. This is the case for x86_64 on Mach-O for example. */
extern enum asm_dialect ix86_asm_dialect;
extern unsigned int ix86_preferred_stack_boundary;
+extern unsigned int ix86_incoming_stack_boundary;
extern int ix86_branch_cost, ix86_section_threshold;
/* Smallest class containing REGNO. */
{
struct stack_local_entry *stack_locals;
const char *some_ld_name;
- rtx force_align_arg_pointer;
- int save_varrargs_registers;
+ int varargs_gpr_size;
+ int varargs_fpr_size;
int accesses_prev_frame;
int optimize_mode_switching[MAX_386_ENTITIES];
int needs_cld;
};
#define ix86_stack_locals (cfun->machine->stack_locals)
-#define ix86_save_varrargs_registers (cfun->machine->save_varrargs_registers)
+#define ix86_varargs_gpr_size (cfun->machine->varargs_gpr_size)
+#define ix86_varargs_fpr_size (cfun->machine->varargs_fpr_size)
#define ix86_optimize_mode_switching (cfun->machine->optimize_mode_switching)
#define ix86_current_function_needs_cld (cfun->machine->needs_cld)
#define ix86_tls_descriptor_calls_expanded_in_cfun \
#undef TARG_COND_BRANCH_COST
#define TARG_COND_BRANCH_COST ix86_cost->branch_cost
-/* Enum through the target specific extra va_list types. Please, do not
- iterate the base va_list type name. */
+/* Enum through the target specific extra va_list types.
+ Please, do not iterate the base va_list type name. */
#define TARGET_ENUM_VA_LIST(IDX, PNAME, PTYPE) \
- (!TARGET_64BIT ? 0 : ix86_enum_va_list (IDX, PNAME, PTYPE))
+ (TARGET_64BIT ? ix86_enum_va_list (IDX, PNAME, PTYPE) : 0)
/* Cost of any scalar operation, excluding load and store. */
#undef TARG_SCALAR_STMT_COST
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