/* Definitions of target machine for GNU compiler. MIPS version.
Copyright (C) 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998
- 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+ 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
Contributed by A. Lichnewsky (lich@inria.inria.fr).
Changed by Michael Meissner (meissner@osf.org).
64 bit r4000 support by Ian Lance Taylor (ian@cygnus.com) and
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+the Free Software Foundation, 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA. */
-/* Standard GCC variables that we reference. */
-
-extern int target_flags;
-
/* MIPS external variables defined in mips.c. */
/* Which processor to schedule for. Since there is no difference between
the cpu attribute in the mips.md machine description. */
enum processor_type {
- PROCESSOR_DEFAULT,
+ PROCESSOR_R3000,
PROCESSOR_4KC,
+ PROCESSOR_4KP,
PROCESSOR_5KC,
+ PROCESSOR_5KF,
PROCESSOR_20KC,
+ PROCESSOR_24K,
+ PROCESSOR_24KX,
PROCESSOR_M4K,
- PROCESSOR_R3000,
PROCESSOR_R3900,
PROCESSOR_R6000,
PROCESSOR_R4000,
PROCESSOR_R8000,
PROCESSOR_R9000,
PROCESSOR_SB1,
- PROCESSOR_SR71000
+ PROCESSOR_SR71000,
+ PROCESSOR_MAX
+};
+
+/* Costs of various operations on the different architectures. */
+
+struct mips_rtx_cost_data
+{
+ unsigned short fp_add;
+ unsigned short fp_mult_sf;
+ unsigned short fp_mult_df;
+ unsigned short fp_div_sf;
+ unsigned short fp_div_df;
+ unsigned short int_mult_si;
+ unsigned short int_mult_di;
+ unsigned short int_div_si;
+ unsigned short int_div_di;
+ unsigned short branch_cost;
+ unsigned short memory_latency;
};
/* Which ABI to use. ABI_32 (original 32, or o32), ABI_N32 (n32),
extern int mips_isa; /* architectural level */
extern int mips_abi; /* which ABI to use */
extern int mips16_hard_float; /* mips16 without -msoft-float */
-extern const char *mips_arch_string; /* for -march=<xxx> */
-extern const char *mips_tune_string; /* for -mtune=<xxx> */
-extern const char *mips_isa_string; /* for -mips{1,2,3,4} */
-extern const char *mips_abi_string; /* for -mabi={32,n32,64} */
-extern const char *mips_cache_flush_func;/* for -mflush-func= and -mno-flush-func */
extern const struct mips_cpu_info mips_cpu_info_table[];
extern const struct mips_cpu_info *mips_arch_info;
extern const struct mips_cpu_info *mips_tune_info;
+extern const struct mips_rtx_cost_data *mips_cost;
/* Macros to silence warnings about numbers being signed in traditional
C and unsigned in ISO C when compiled on 32-bit hosts. */
\f
/* Run-time compilation parameters selecting different hardware subsets. */
-/* Macros used in the machine description to test the flags. */
-
- /* Bits for real switches */
-#define MASK_INT64 0x00000001 /* ints are 64 bits */
-#define MASK_LONG64 0x00000002 /* longs are 64 bits */
-#define MASK_SPLIT_ADDR 0x00000004 /* Address splitting is enabled. */
-#define MASK_NO_FUSED_MADD 0x00000008 /* Don't generate floating point
- multiply-add operations. */
-#define MASK_EXPLICIT_RELOCS 0x00000010 /* Use relocation operators. */
-#define MASK_MEMCPY 0x00000020 /* call memcpy instead of inline code*/
-#define MASK_SOFT_FLOAT 0x00000040 /* software floating point */
-#define MASK_FLOAT64 0x00000080 /* fp registers are 64 bits */
-#define MASK_ABICALLS 0x00000100 /* emit .abicalls/.cprestore/.cpload */
-#define MASK_XGOT 0x00000200 /* emit big-got PIC */
-#define MASK_LONG_CALLS 0x00000400 /* Always call through a register */
-#define MASK_64BIT 0x00000800 /* Use 64 bit GP registers and insns */
-#define MASK_EMBEDDED_DATA 0x00001000 /* Reduce RAM usage, not fast code */
-#define MASK_BIG_ENDIAN 0x00002000 /* Generate big endian code */
-#define MASK_SINGLE_FLOAT 0x00004000 /* Only single precision FPU. */
-#define MASK_MAD 0x00008000 /* Generate mad/madu as on 4650. */
-#define MASK_4300_MUL_FIX 0x00010000 /* Work-around early Vr4300 CPU bug */
-#define MASK_MIPS16 0x00020000 /* Generate mips16 code */
-#define MASK_NO_CHECK_ZERO_DIV \
- 0x00040000 /* divide by zero checking */
-#define MASK_BRANCHLIKELY 0x00080000 /* Generate Branch Likely
- instructions. */
-#define MASK_UNINIT_CONST_IN_RODATA \
- 0x00100000 /* Store uninitialized
- consts in rodata */
-#define MASK_FIX_R4000 0x00200000 /* Work around R4000 errata. */
-#define MASK_FIX_R4400 0x00400000 /* Work around R4400 errata. */
-#define MASK_FIX_SB1 0x00800000 /* Work around SB-1 errata. */
-#define MASK_FIX_VR4120 0x01000000 /* Work around VR4120 errata. */
-#define MASK_VR4130_ALIGN 0x02000000 /* Perform VR4130 alignment opts. */
-#define MASK_FP_EXCEPTIONS 0x04000000 /* FP exceptions are enabled. */
-#define MASK_DIVIDE_BREAKS 0x08000000 /* Divide by zero check uses
- break instead of trap. */
-#define MASK_PAIRED_SINGLE 0x10000000 /* Support paired-single FPU. */
-#define MASK_MIPS3D 0x20000000 /* Support MIPS-3D instructions. */
-
- /* Debug switches, not documented */
-#define MASK_DEBUG 0 /* unused */
-#define MASK_DEBUG_D 0 /* don't do define_split's */
-
- /* Dummy switches used only in specs */
-#define MASK_MIPS_TFILE 0 /* flag for mips-tfile usage */
-
- /* r4000 64 bit sizes */
-#define TARGET_INT64 ((target_flags & MASK_INT64) != 0)
-#define TARGET_LONG64 ((target_flags & MASK_LONG64) != 0)
-#define TARGET_FLOAT64 ((target_flags & MASK_FLOAT64) != 0)
-#define TARGET_64BIT ((target_flags & MASK_64BIT) != 0)
-
- /* Mips vs. GNU linker */
-#define TARGET_SPLIT_ADDRESSES ((target_flags & MASK_SPLIT_ADDR) != 0)
-
- /* Debug Modes */
-#define TARGET_DEBUG_MODE ((target_flags & MASK_DEBUG) != 0)
-#define TARGET_DEBUG_D_MODE ((target_flags & MASK_DEBUG_D) != 0)
-
- /* call memcpy instead of inline code */
-#define TARGET_MEMCPY ((target_flags & MASK_MEMCPY) != 0)
-
- /* .abicalls, etc from Pyramid V.4 */
-#define TARGET_ABICALLS ((target_flags & MASK_ABICALLS) != 0)
-#define TARGET_XGOT ((target_flags & MASK_XGOT) != 0)
-
- /* software floating point */
-#define TARGET_SOFT_FLOAT ((target_flags & MASK_SOFT_FLOAT) != 0)
-#define TARGET_HARD_FLOAT (! TARGET_SOFT_FLOAT)
-
- /* always call through a register */
-#define TARGET_LONG_CALLS ((target_flags & MASK_LONG_CALLS) != 0)
-
- /* for embedded systems, optimize for
- reduced RAM space instead of for
- fastest code. */
-#define TARGET_EMBEDDED_DATA ((target_flags & MASK_EMBEDDED_DATA) != 0)
-
- /* always store uninitialized const
- variables in rodata, requires
- TARGET_EMBEDDED_DATA. */
-#define TARGET_UNINIT_CONST_IN_RODATA \
- ((target_flags & MASK_UNINIT_CONST_IN_RODATA) != 0)
-
- /* generate big endian code. */
-#define TARGET_BIG_ENDIAN ((target_flags & MASK_BIG_ENDIAN) != 0)
-
-#define TARGET_SINGLE_FLOAT ((target_flags & MASK_SINGLE_FLOAT) != 0)
-#define TARGET_DOUBLE_FLOAT (! TARGET_SINGLE_FLOAT)
-
-#define TARGET_MAD ((target_flags & MASK_MAD) != 0)
-
-#define TARGET_FUSED_MADD ((target_flags & MASK_NO_FUSED_MADD) == 0)
-
-#define TARGET_4300_MUL_FIX ((target_flags & MASK_4300_MUL_FIX) != 0)
-
-#define TARGET_CHECK_ZERO_DIV ((target_flags & MASK_NO_CHECK_ZERO_DIV) == 0)
-#define TARGET_DIVIDE_TRAPS ((target_flags & MASK_DIVIDE_BREAKS) == 0)
-
-#define TARGET_BRANCHLIKELY ((target_flags & MASK_BRANCHLIKELY) != 0)
-
-#define TARGET_FIX_SB1 ((target_flags & MASK_FIX_SB1) != 0)
-
- /* Work around R4000 errata. */
-#define TARGET_FIX_R4000 ((target_flags & MASK_FIX_R4000) != 0)
-
- /* Work around R4400 errata. */
-#define TARGET_FIX_R4400 ((target_flags & MASK_FIX_R4400) != 0)
-#define TARGET_FIX_VR4120 ((target_flags & MASK_FIX_VR4120) != 0)
-#define TARGET_VR4130_ALIGN ((target_flags & MASK_VR4130_ALIGN) != 0)
-
-#define TARGET_FP_EXCEPTIONS ((target_flags & MASK_FP_EXCEPTIONS) != 0)
-
-#define TARGET_PAIRED_SINGLE_FLOAT \
- ((target_flags & MASK_PAIRED_SINGLE) != 0)
-#define TARGET_MIPS3D ((target_flags & MASK_MIPS3D) != 0)
-
-/* True if we should use NewABI-style relocation operators for
- symbolic addresses. This is never true for mips16 code,
- which has its own conventions. */
-
-#define TARGET_EXPLICIT_RELOCS ((target_flags & MASK_EXPLICIT_RELOCS) != 0)
-
-
/* True if the call patterns should be split into a jalr followed by
an instruction to restore $gp. This is only ever true for SVR4 PIC,
in which $gp is call-clobbered. It is only safe to split the load
We therefore disable GP-relative switch tables for n64 on IRIX targets. */
#define TARGET_GPWORD (TARGET_ABICALLS && !(mips_abi == ABI_64 && TARGET_IRIX))
- /* Generate mips16 code */
+/* Generate mips16 code */
#define TARGET_MIPS16 ((target_flags & MASK_MIPS16) != 0)
+/* Generate mips16e code. Default 16bit ASE for mips32/mips32r2/mips64 */
+#define GENERATE_MIPS16E (TARGET_MIPS16 && mips_isa >= 32)
/* Generic ISA defines. */
#define ISA_MIPS1 (mips_isa == 1)
#define TARGET_CPU_CPP_BUILTINS() \
do \
{ \
+ /* Everyone but IRIX defines this to mips. */ \
+ if (!TARGET_IRIX) \
+ builtin_assert ("machine=mips"); \
+ \
builtin_assert ("cpu=mips"); \
builtin_define ("__mips__"); \
builtin_define ("_mips"); \
if (!flag_iso) \
builtin_define ("mips"); \
\
- /* Treat _R3000 and _R4000 like register-size defines, \
- which is how they've historically been used. */ \
if (TARGET_64BIT) \
+ builtin_define ("__mips64"); \
+ \
+ if (!TARGET_IRIX) \
{ \
- builtin_define ("__mips64"); \
- builtin_define_std ("R4000"); \
- builtin_define ("_R4000"); \
- } \
- else \
- { \
- builtin_define_std ("R3000"); \
- builtin_define ("_R3000"); \
+ /* Treat _R3000 and _R4000 like register-size \
+ defines, which is how they've historically \
+ been used. */ \
+ if (TARGET_64BIT) \
+ { \
+ builtin_define_std ("R4000"); \
+ builtin_define ("_R4000"); \
+ } \
+ else \
+ { \
+ builtin_define_std ("R3000"); \
+ builtin_define ("_R3000"); \
+ } \
} \
if (TARGET_FLOAT64) \
builtin_define ("__mips_fpr=64"); \
if (TARGET_MIPS3D) \
builtin_define ("__mips3d"); \
\
+ if (TARGET_DSP) \
+ builtin_define ("__mips_dsp"); \
+ \
MIPS_CPP_SET_PROCESSOR ("_MIPS_ARCH", mips_arch_info); \
MIPS_CPP_SET_PROCESSOR ("_MIPS_TUNE", mips_tune_info); \
\
\
} while (0)
-
-
-/* Macro to define tables used to set the flags.
- This is a list in braces of pairs in braces,
- each pair being { "NAME", VALUE }
- where VALUE is the bits to set or minus the bits to clear.
- An empty string NAME is used to identify the default VALUE. */
-
-#define TARGET_SWITCHES \
-{ \
- SUBTARGET_TARGET_SWITCHES \
- {"int64", MASK_INT64 | MASK_LONG64, \
- N_("Use 64-bit int type")}, \
- {"long64", MASK_LONG64, \
- N_("Use 64-bit long type")}, \
- {"long32", -(MASK_LONG64 | MASK_INT64), \
- N_("Use 32-bit long type")}, \
- {"split-addresses", MASK_SPLIT_ADDR, \
- N_("Optimize lui/addiu address loads")}, \
- {"no-split-addresses", -MASK_SPLIT_ADDR, \
- N_("Don't optimize lui/addiu address loads")}, \
- {"gas", 0, \
- N_("Use GNU as (now ignored)")}, \
- {"gpOPT", 0, \
- N_("Use GP relative sdata/sbss sections (now ignored)")}, \
- {"gpopt", 0, \
- N_("Use GP relative sdata/sbss sections (now ignored)")}, \
- {"no-gpOPT", 0, \
- N_("Don't use GP relative sdata/sbss sections (now ignored)")}, \
- {"no-gpopt", 0, \
- N_("Don't use GP relative sdata/sbss sections (now ignored)")}, \
- {"stats", 0, \
- N_("Output compiler statistics (now ignored)")}, \
- {"no-stats", 0, \
- N_("Don't output compiler statistics")}, \
- {"memcpy", MASK_MEMCPY, \
- N_("Don't optimize block moves")}, \
- {"no-memcpy", -MASK_MEMCPY, \
- N_("Optimize block moves")}, \
- {"mips-tfile", MASK_MIPS_TFILE, \
- N_("Use mips-tfile asm postpass")}, \
- {"no-mips-tfile", -MASK_MIPS_TFILE, \
- N_("Don't use mips-tfile asm postpass")}, \
- {"soft-float", MASK_SOFT_FLOAT, \
- N_("Use software floating point")}, \
- {"hard-float", -MASK_SOFT_FLOAT, \
- N_("Use hardware floating point")}, \
- {"fp64", MASK_FLOAT64, \
- N_("Use 64-bit FP registers")}, \
- {"fp32", -MASK_FLOAT64, \
- N_("Use 32-bit FP registers")}, \
- {"gp64", MASK_64BIT, \
- N_("Use 64-bit general registers")}, \
- {"gp32", -MASK_64BIT, \
- N_("Use 32-bit general registers")}, \
- {"abicalls", MASK_ABICALLS, \
- N_("Use Irix PIC")}, \
- {"no-abicalls", -MASK_ABICALLS, \
- N_("Don't use Irix PIC")}, \
- {"long-calls", MASK_LONG_CALLS, \
- N_("Use indirect calls")}, \
- {"no-long-calls", -MASK_LONG_CALLS, \
- N_("Don't use indirect calls")}, \
- {"embedded-data", MASK_EMBEDDED_DATA, \
- N_("Use ROM instead of RAM")}, \
- {"no-embedded-data", -MASK_EMBEDDED_DATA, \
- N_("Don't use ROM instead of RAM")}, \
- {"uninit-const-in-rodata", MASK_UNINIT_CONST_IN_RODATA, \
- N_("Put uninitialized constants in ROM (needs -membedded-data)")}, \
- {"no-uninit-const-in-rodata", -MASK_UNINIT_CONST_IN_RODATA, \
- N_("Don't put uninitialized constants in ROM")}, \
- {"eb", MASK_BIG_ENDIAN, \
- N_("Use big-endian byte order")}, \
- {"el", -MASK_BIG_ENDIAN, \
- N_("Use little-endian byte order")}, \
- {"single-float", MASK_SINGLE_FLOAT, \
- N_("Use single (32-bit) FP only")}, \
- {"double-float", -MASK_SINGLE_FLOAT, \
- N_("Don't use single (32-bit) FP only")}, \
- {"paired-single", MASK_PAIRED_SINGLE, \
- N_("Use paired-single floating point instructions")}, \
- {"no-paired-single", -MASK_PAIRED_SINGLE, \
- N_("Use paired-single floating point instructions")}, \
- {"ips3d", MASK_MIPS3D, \
- N_("Use MIPS-3D instructions")}, \
- {"no-mips3d", -MASK_MIPS3D, \
- N_("Use MIPS-3D instructions")}, \
- {"mad", MASK_MAD, \
- N_("Use multiply accumulate")}, \
- {"no-mad", -MASK_MAD, \
- N_("Don't use multiply accumulate")}, \
- {"no-fused-madd", MASK_NO_FUSED_MADD, \
- N_("Don't generate fused multiply/add instructions")}, \
- {"fused-madd", -MASK_NO_FUSED_MADD, \
- N_("Generate fused multiply/add instructions")}, \
- {"vr4130-align", MASK_VR4130_ALIGN, \
- N_("Perform VR4130-specific alignment optimizations")}, \
- {"no-vr4130-align", -MASK_VR4130_ALIGN, \
- N_("Don't perform VR4130-specific alignment optimizations")}, \
- {"fix4300", MASK_4300_MUL_FIX, \
- N_("Work around early 4300 hardware bug")}, \
- {"no-fix4300", -MASK_4300_MUL_FIX, \
- N_("Don't work around early 4300 hardware bug")}, \
- {"fix-sb1", MASK_FIX_SB1, \
- N_("Work around errata for early SB-1 revision 2 cores")}, \
- {"no-fix-sb1", -MASK_FIX_SB1, \
- N_("Don't work around errata for early SB-1 revision 2 cores")}, \
- {"fix-r4000", MASK_FIX_R4000, \
- N_("Work around R4000 errata")}, \
- {"no-fix-r4000", -MASK_FIX_R4000, \
- N_("Don't work around R4000 errata")}, \
- {"fix-r4400", MASK_FIX_R4400, \
- N_("Work around R4400 errata")}, \
- {"no-fix-r4400", -MASK_FIX_R4400, \
- N_("Don't work around R4400 errata")}, \
- {"fix-vr4120", MASK_FIX_VR4120, \
- N_("Work around certain VR4120 errata")}, \
- {"no-fix-vr4120", -MASK_FIX_VR4120, \
- N_("Don't work around certain VR4120 errata")}, \
- {"check-zero-division",-MASK_NO_CHECK_ZERO_DIV, \
- N_("Trap on integer divide by zero")}, \
- {"no-check-zero-division", MASK_NO_CHECK_ZERO_DIV, \
- N_("Don't trap on integer divide by zero")}, \
- {"divide-traps", -MASK_DIVIDE_BREAKS, \
- N_("Use trap to check for integer divide by zero")}, \
- {"divide-breaks", MASK_DIVIDE_BREAKS, \
- N_("Use break to check for integer divide by zero")}, \
- { "branch-likely", MASK_BRANCHLIKELY, \
- N_("Use Branch Likely instructions, overriding default for arch")}, \
- { "no-branch-likely", -MASK_BRANCHLIKELY, \
- N_("Don't use Branch Likely instructions, overriding default for arch")}, \
- {"explicit-relocs", MASK_EXPLICIT_RELOCS, \
- N_("Use NewABI-style %reloc() assembly operators")}, \
- {"no-explicit-relocs", -MASK_EXPLICIT_RELOCS, \
- N_("Use assembler macros instead of relocation operators")}, \
- {"ips16", MASK_MIPS16, \
- N_("Generate mips16 code") }, \
- {"no-mips16", -MASK_MIPS16, \
- N_("Generate normal-mode code") }, \
- {"xgot", MASK_XGOT, \
- N_("Lift restrictions on GOT size") }, \
- {"no-xgot", -MASK_XGOT, \
- N_("Do not lift restrictions on GOT size") }, \
- {"fp-exceptions", MASK_FP_EXCEPTIONS, \
- N_("FP exceptions are enabled") }, \
- {"no-fp-exceptions", -MASK_FP_EXCEPTIONS, \
- N_("FP exceptions are not enabled") }, \
- {"debug", MASK_DEBUG, \
- NULL}, \
- {"debugd", MASK_DEBUG_D, \
- NULL}, \
- {"", (TARGET_DEFAULT \
- | TARGET_CPU_DEFAULT \
- | TARGET_ENDIAN_DEFAULT \
- | TARGET_FP_EXCEPTIONS_DEFAULT), \
- NULL}, \
-}
-
/* Default target_flags if no switches are specified */
#ifndef TARGET_DEFAULT
#endif
#endif
-#define TARGET_OPTIONS \
-{ \
- SUBTARGET_TARGET_OPTIONS \
- { "tune=", &mips_tune_string, \
- N_("Specify CPU for scheduling purposes"), 0}, \
- { "arch=", &mips_arch_string, \
- N_("Specify CPU for code generation purposes"), 0}, \
- { "abi=", &mips_abi_string, \
- N_("Specify an ABI"), 0}, \
- { "ips", &mips_isa_string, \
- N_("Specify a Standard MIPS ISA"), 0}, \
- { "no-flush-func", &mips_cache_flush_func, \
- N_("Don't call any cache flush functions"), 0}, \
- { "flush-func=", &mips_cache_flush_func, \
- N_("Specify cache flush function"), 0}, \
-}
-
-/* This is meant to be redefined in the host dependent files. */
-#define SUBTARGET_TARGET_OPTIONS
-
/* Support for a compile-time default CPU, et cetera. The rules are:
--with-arch is ignored if -march is specified or a -mips is specified
(other than -mips16).
/* True if symbols are 64 bits wide. At present, n64 is the only
ABI for which this is true. */
-#define ABI_HAS_64BIT_SYMBOLS (mips_abi == ABI_64)
+#define ABI_HAS_64BIT_SYMBOLS (mips_abi == ABI_64 && !TARGET_SYM32)
/* ISA has instructions for managing 64 bit fp and gp regs (e.g. mips3). */
#define ISA_HAS_64BIT_REGS (ISA_MIPS3 \
|| TARGET_SR71K \
)
+/* ISA has NEC VR-style MACC, MACCHI, DMACC and DMACCHI instructions. */
+#define ISA_HAS_MACCHI (!TARGET_MIPS16 \
+ && (TARGET_MIPS4120 \
+ || TARGET_MIPS4130))
+
/* ISA has 32-bit rotate right instruction. */
#define ISA_HAS_ROTR_SI (!TARGET_MIPS16 \
&& (ISA_MIPS32R2 \
&& (ISA_MIPS32R2 \
))
+/* ISA includes the MIPS32/64 rev 2 ext and ins instructions. */
+#define ISA_HAS_EXT_INS (!TARGET_MIPS16 \
+ && (ISA_MIPS32R2 \
+ ))
+
/* True if the result of a load is not available to the next instruction.
A nop will then be needed between instructions like "lw $4,..."
and "addiu $4,$4,1". */
#endif
\f
-#define SUBTARGET_TARGET_SWITCHES
-
#ifndef MIPS_ABI_DEFAULT
#define MIPS_ABI_DEFAULT ABI_32
#endif
%{mips32} %{mips32r2} %{mips64} \
%{mips16:%{!mno-mips16:-mips16}} %{mno-mips16:-no-mips16} \
%{mips3d:-mips3d} \
-%{mfix-vr4120} \
+%{mdsp} \
+%{mfix-vr4120} %{mfix-vr4130} \
%(subtarget_asm_optimizing_spec) \
%(subtarget_asm_debugging_spec) \
%{mabi=*} %{!mabi*: %(asm_abi_default_spec)} \
%{mgp32} %{mgp64} %{march=*} %{mxgot:-xgot} \
+%{msym32} %{mno-sym32} \
%{mtune=*} %{v} \
%(subtarget_asm_spec)"
/* Offsets recorded in opcodes are a multiple of this alignment factor.
The default for this in 64-bit mode is 8, which causes problems with
SFmode register saves. */
-#define DWARF_CIE_DATA_ALIGNMENT 4
+#define DWARF_CIE_DATA_ALIGNMENT -4
/* Correct the offset of automatic variables and arguments. Note that
the MIPS debug format wants all automatic variables and arguments
/* The number of bytes in a double. */
#define UNITS_PER_DOUBLE (TYPE_PRECISION (double_type_node) / BITS_PER_UNIT)
+#define UNITS_PER_SIMD_WORD (TARGET_PAIRED_SINGLE_FLOAT ? 8 : UNITS_PER_WORD)
+
/* Set the sizes of the core types. */
#define SHORT_TYPE_SIZE 16
-#define INT_TYPE_SIZE (TARGET_INT64 ? 64 : 32)
+#define INT_TYPE_SIZE 32
#define LONG_TYPE_SIZE (TARGET_LONG64 ? 64 : 32)
#define LONG_LONG_TYPE_SIZE 64
#endif
/* Allocation boundary (in *bits*) for storing arguments in argument list. */
-#define PARM_BOUNDARY ((mips_abi == ABI_O64 \
- || TARGET_NEWABI \
- || (mips_abi == ABI_EABI && TARGET_64BIT)) ? 64 : 32)
-
+#define PARM_BOUNDARY BITS_PER_WORD
/* Allocation boundary (in *bits*) for the code of a function. */
#define FUNCTION_BOUNDARY 32
/* Define if loading short immediate values into registers sign extends. */
#define SHORT_IMMEDIATES_SIGN_EXTEND
+
+/* The [d]clz instructions have the natural values at 0. */
+
+#define CLZ_DEFINED_VALUE_AT_ZERO(MODE, VALUE) \
+ ((VALUE) = GET_MODE_BITSIZE (MODE), true)
\f
/* Standard register usage. */
- ARG_POINTER_REGNUM
- FRAME_POINTER_REGNUM
- FAKE_CALL_REGNO (see the comment above load_callsi for details)
- - 3 dummy entries that were used at various times in the past. */
+ - 3 dummy entries that were used at various times in the past.
+ - 6 DSP accumulator registers (3 hi-lo pairs) for MIPS DSP ASE
+ - 6 DSP control registers */
-#define FIRST_PSEUDO_REGISTER 176
+#define FIRST_PSEUDO_REGISTER 188
/* By default, fix the kernel registers ($26 and $27), the global
pointer ($28) and the stack pointer ($29). This can change
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
/* COP3 registers */ \
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 \
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
+ /* 6 DSP accumulator registers & 6 control registers */ \
+ 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1 \
}
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
/* COP3 registers */ \
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 \
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
+ /* 6 DSP accumulator registers & 6 control registers */ \
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 \
}
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
/* COP3 registers */ \
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 \
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
+ /* 6 DSP accumulator registers & 6 control registers */ \
+ 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0 \
}
/* Internal macros to classify a register number as to whether it's a
/* ALL_COP_REG_NUM assumes that COP0,2,and 3 are numbered consecutively. */
#define ALL_COP_REG_NUM (COP3_REG_LAST - COP0_REG_FIRST + 1)
+#define DSP_ACC_REG_FIRST 176
+#define DSP_ACC_REG_LAST 181
+#define DSP_ACC_REG_NUM (DSP_ACC_REG_LAST - DSP_ACC_REG_FIRST + 1)
+
#define AT_REGNUM (GP_REG_FIRST + 1)
#define HI_REGNUM (MD_REG_FIRST + 0)
#define LO_REGNUM (MD_REG_FIRST + 1)
+#define AC1HI_REGNUM (DSP_ACC_REG_FIRST + 0)
+#define AC1LO_REGNUM (DSP_ACC_REG_FIRST + 1)
+#define AC2HI_REGNUM (DSP_ACC_REG_FIRST + 2)
+#define AC2LO_REGNUM (DSP_ACC_REG_FIRST + 3)
+#define AC3HI_REGNUM (DSP_ACC_REG_FIRST + 4)
+#define AC3LO_REGNUM (DSP_ACC_REG_FIRST + 5)
/* FPSW_REGNUM is the single condition code used if !ISA_HAS_8CC.
If ISA_HAS_8CC, it should not be used, and an arbitrary ST_REG
((unsigned int) ((int) (REGNO) - COP3_REG_FIRST) < COP3_REG_NUM)
#define ALL_COP_REG_P(REGNO) \
((unsigned int) ((int) (REGNO) - COP0_REG_FIRST) < ALL_COP_REG_NUM)
-
-#define FP_REG_RTX_P(X) (GET_CODE (X) == REG && FP_REG_P (REGNO (X)))
+/* Test if REGNO is one of the 6 new DSP accumulators. */
+#define DSP_ACC_REG_P(REGNO) \
+ ((unsigned int) ((int) (REGNO) - DSP_ACC_REG_FIRST) < DSP_ACC_REG_NUM)
+/* Test if REGNO is hi, lo, or one of the 6 new DSP accumulators. */
+#define ACC_REG_P(REGNO) \
+ (MD_REG_P (REGNO) || DSP_ACC_REG_P (REGNO))
+/* Test if REGNO is HI or the first register of 3 new DSP accumulator pairs. */
+#define ACC_HI_REG_P(REGNO) \
+ ((REGNO) == HI_REGNUM || (REGNO) == AC1HI_REGNUM || (REGNO) == AC2HI_REGNUM \
+ || (REGNO) == AC3HI_REGNUM)
+
+#define FP_REG_RTX_P(X) (REG_P (X) && FP_REG_P (REGNO (X)))
/* True if X is (const (unspec [(const_int 0)] UNSPEC_GP)). This is used
to initialize the mips16 gp pseudo register. */
T_REG, /* mips16 T register ($24) */
M16_T_REGS, /* mips16 registers plus T register */
PIC_FN_ADDR_REG, /* SVR4 PIC function address register */
+ V1_REG, /* Register $v1 ($3) used for TLS access. */
LEA_REGS, /* Every GPR except $25 */
GR_REGS, /* integer registers */
FP_REGS, /* floating point registers */
ALL_COP_REGS,
ALL_COP_AND_GR_REGS,
ST_REGS, /* status registers (fp status) */
+ DSP_ACC_REGS, /* DSP accumulator registers */
+ ACC_REGS, /* Hi/Lo and DSP accumulator registers */
ALL_REGS, /* all registers */
LIM_REG_CLASSES /* max value + 1 */
};
"T_REG", \
"M16_T_REGS", \
"PIC_FN_ADDR_REG", \
+ "V1_REG", \
"LEA_REGS", \
"GR_REGS", \
"FP_REGS", \
"ALL_COP_REGS", \
"ALL_COP_AND_GR_REGS", \
"ST_REGS", \
+ "DSP_ACC_REGS", \
+ "ACC_REGS", \
"ALL_REGS" \
}
{ 0x01000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 }, /* mips16 T register */ \
{ 0x010300fc, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 }, /* mips16 and T regs */ \
{ 0x02000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 }, /* SVR4 PIC function address register */ \
- { 0xfdffffff, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 }, /* Every other GPR */ \
+ { 0x00000008, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 }, /* only $v1 */ \
+ { 0xfdffffff, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 }, /* Every other GPR except $25 */ \
{ 0xffffffff, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 }, /* integer registers */ \
{ 0x00000000, 0xffffffff, 0x00000000, 0x00000000, 0x00000000, 0x00000000 }, /* floating registers*/ \
{ 0x00000000, 0x00000000, 0x00000001, 0x00000000, 0x00000000, 0x00000000 }, /* hi register */ \
{ 0x00000000, 0x00000000, 0xffff0000, 0xffffffff, 0xffffffff, 0x0000ffff }, \
{ 0xffffffff, 0x00000000, 0xffff0000, 0xffffffff, 0xffffffff, 0x0000ffff }, \
{ 0x00000000, 0x00000000, 0x000007f8, 0x00000000, 0x00000000, 0x00000000 }, /* status registers */ \
- { 0xffffffff, 0xffffffff, 0xffff07ff, 0xffffffff, 0xffffffff, 0x0000ffff } /* all registers */ \
+ { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x003f0000 }, /* dsp accumulator registers */ \
+ { 0x00000000, 0x00000000, 0x00000003, 0x00000000, 0x00000000, 0x003f0000 }, /* hi/lo and dsp accumulator registers */ \
+ { 0xffffffff, 0xffffffff, 0xffff07ff, 0xffffffff, 0xffffffff, 0x0fffffff } /* all registers */ \
}
#define GR_REG_CLASS_P(CLASS) \
((CLASS) == GR_REGS || (CLASS) == M16_REGS || (CLASS) == T_REG \
|| (CLASS) == M16_T_REGS || (CLASS) == M16_NA_REGS \
+ || (CLASS) == V1_REG \
|| (CLASS) == PIC_FN_ADDR_REG || (CLASS) == LEA_REGS)
/* This macro is also used later on in the file. */
112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127, \
128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143, \
144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159, \
- 160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175 \
+ 160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175, \
+ 176,177,178,179,180,181,182,183,184,185,186,187 \
}
/* ORDER_REGS_FOR_LOCAL_ALLOC is a macro which permits reg_alloc_order
'f' Floating point registers
'h' Hi register
'l' Lo register
+ 'v' $v1 only
'x' Multiply/divide registers
'z' FP Status register
'B' Cop0 register
'C' Cop2 register
'D' Cop3 register
+ 'A' DSP accumulator registers
+ 'a' MD registers and DSP accumulator registers
'b' All registers */
extern enum reg_class mips_char_to_class[256];
#define REG_CLASS_FROM_LETTER(C) mips_char_to_class[(unsigned char)(C)]
+/* True if VALUE is an unsigned 6-bit number. */
+
+#define UIMM6_OPERAND(VALUE) \
+ (((VALUE) & ~(unsigned HOST_WIDE_INT) 0x3f) == 0)
+
+/* True if VALUE is a signed 10-bit number. */
+
+#define IMM10_OPERAND(VALUE) \
+ ((unsigned HOST_WIDE_INT) (VALUE) + 0x200 < 0x400)
+
/* True if VALUE is a signed 16-bit number. */
#define SMALL_OPERAND(VALUE) \
/* Similar, but for floating constants, and defining letters G and H.
Here VALUE is the CONST_DOUBLE rtx itself. */
-/* For Mips
+/* For MIPS
'G' : Floating point 0 */
This is true for all non-mips16 references (although it can sometimes
be indirect if !TARGET_EXPLICIT_RELOCS). For mips16, it excludes
stack and constant-pool references.
- `YG' is for 0 valued vector constants. */
+ `YG' is for 0 valued vector constants.
+ `YA' is for unsigned 6-bit constants.
+ `YB' is for signed 10-bit constants. */
#define EXTRA_CONSTRAINT_Y(OP,STR) \
(((STR)[1] == 'G') ? (GET_CODE (OP) == CONST_VECTOR \
&& (OP) == CONST0_RTX (GET_MODE (OP))) \
+ : ((STR)[1] == 'A') ? (GET_CODE (OP) == CONST_INT \
+ && UIMM6_OPERAND (INTVAL (OP))) \
+ : ((STR)[1] == 'B') ? (GET_CODE (OP) == CONST_INT \
+ && IMM10_OPERAND (INTVAL (OP))) \
: FALSE)
#define EXTRA_CONSTRAINT_STR(OP,CODE,STR) \
(((CODE) == 'Q') ? const_arith_operand (OP, VOIDmode) \
- : ((CODE) == 'R') ? (GET_CODE (OP) == MEM \
+ : ((CODE) == 'R') ? (MEM_P (OP) \
&& mips_fetch_insns (OP) == 1) \
: ((CODE) == 'S') ? (CONSTANT_P (OP) \
&& call_insn_operand (OP, VOIDmode)) \
: ((CODE) == 'U') ? (CONSTANT_P (OP) \
&& move_operand (OP, VOIDmode) \
&& !mips_dangerous_for_la25_p (OP)) \
- : ((CODE) == 'W') ? (GET_CODE (OP) == MEM \
+ : ((CODE) == 'W') ? (MEM_P (OP) \
&& memory_operand (OP, VOIDmode) \
&& (!TARGET_MIPS16 \
|| (!stack_operand (OP, VOIDmode) \
`current_function_outgoing_args_size'. */
#define OUTGOING_REG_PARM_STACK_SPACE
-#define STACK_BOUNDARY ((TARGET_OLDABI || mips_abi == ABI_EABI) ? 64 : 128)
+#define STACK_BOUNDARY (TARGET_NEWABI ? 128 : 64)
\f
#define RETURN_POPS_ARGS(FUNDECL,FUNTYPE,SIZE) 0
&& !fixed_regs[N])
\f
/* This structure has to cope with two different argument allocation
- schemes. Most MIPS ABIs view the arguments as a struct, of which the
- first N words go in registers and the rest go on the stack. If I < N,
- the Ith word might go in Ith integer argument register or the
- Ith floating-point one. For these ABIs, we only need to remember
- the number of words passed so far.
+ schemes. Most MIPS ABIs view the arguments as a structure, of which
+ the first N words go in registers and the rest go on the stack. If I
+ < N, the Ith word might go in Ith integer argument register or in a
+ floating-point register. For these ABIs, we only need to remember
+ the offset of the current argument into the structure.
The EABI instead allocates the integer and floating-point arguments
separately. The first N words of FP arguments go in FP registers,
/* The number of arguments seen so far. */
unsigned int arg_number;
- /* For EABI, the number of integer registers used so far. For other
- ABIs, the number of words passed in registers (whether integer
- or floating-point). */
+ /* The number of integer registers used so far. For all ABIs except
+ EABI, this is the number of words that have been added to the
+ argument structure, limited to MAX_ARGS_IN_REGISTERS. */
unsigned int num_gprs;
/* For EABI, the number of floating-point registers used so far. */
#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) \
- function_arg_partial_nregs (&CUM, MODE, TYPE, NAMED)
-
-/* If defined, a C expression that gives the alignment boundary, in
- bits, of an argument with the specified mode and type. If it is
- not defined, `PARM_BOUNDARY' is used for all arguments. */
-
-#define FUNCTION_ARG_BOUNDARY(MODE, TYPE) \
- (((TYPE) != 0) \
- ? ((TYPE_ALIGN(TYPE) <= PARM_BOUNDARY) \
- ? PARM_BOUNDARY \
- : TYPE_ALIGN(TYPE)) \
- : ((GET_MODE_ALIGNMENT(MODE) <= PARM_BOUNDARY) \
- ? PARM_BOUNDARY \
- : GET_MODE_ALIGNMENT(MODE)))
+#define FUNCTION_ARG_BOUNDARY function_arg_boundary
#define FUNCTION_ARG_PADDING(MODE, TYPE) \
(mips_pad_arg_upward (MODE, TYPE) ? upward : downward)
/* Treat LOC as a byte offset from the stack pointer and round it up
to the next fully-aligned offset. */
-#define MIPS_STACK_ALIGN(LOC) \
- ((TARGET_OLDABI || mips_abi == ABI_EABI) \
- ? ((LOC) + 7) & ~7 \
- : ((LOC) + 15) & ~15)
+#define MIPS_STACK_ALIGN(LOC) \
+ (TARGET_NEWABI ? ((LOC) + 15) & -16 : ((LOC) + 7) & -8)
\f
/* Implement `va_start' for varargs and stdarg. */
fprintf (FILE, "\t.set\tat\n"); \
}
+/* No mips port has ever used the profiler counter word, so don't emit it
+ or the label for it. */
+
+#define NO_PROFILE_COUNTERS 1
+
/* Define this macro if the code for function profiling should come
before the function prologue. Normally, the profiling code comes
after. */
else \
asm_fprintf ((FILE), "%U%s", (NAME))
\f
+/* Flag to mark a function decl symbol that requires a long call. */
+#define SYMBOL_FLAG_LONG_CALL (SYMBOL_FLAG_MACH_DEP << 0)
+#define SYMBOL_REF_LONG_CALL_P(X) \
+ ((SYMBOL_REF_FLAGS (X) & SYMBOL_FLAG_LONG_CALL) != 0)
+
/* Specify the machine mode that this machine uses
for the index in the tablejump instruction.
??? Using HImode in mips16 mode can cause overflow. */
#define REGISTER_MOVE_COST(MODE, FROM, TO) \
mips_register_move_cost (MODE, FROM, TO)
-/* ??? Fix this to be right for the R8000. */
#define MEMORY_MOVE_COST(MODE,CLASS,TO_P) \
- (((TUNE_MIPS4000 || TUNE_MIPS6000) ? 6 : 4) \
+ (mips_cost->memory_latency \
+ memory_move_secondary_cost ((MODE), (CLASS), (TO_P)))
/* Define if copies to/from condition code registers should be avoided.
/* A C expression for the cost of a branch instruction. A value of
1 is the default; other values are interpreted relative to that. */
-/* ??? Fix this to be right for the R8000. */
-#define BRANCH_COST \
- ((! TARGET_MIPS16 \
- && (TUNE_MIPS4000 || TUNE_MIPS6000)) \
- ? 2 : 1)
+#define BRANCH_COST mips_cost->branch_cost
+#define LOGICAL_OP_NON_SHORT_CIRCUIT 0
/* If defined, modifies the length assigned to instruction INSN as a
function of the context in which it is used. LENGTH is an lvalue
"$c3r0", "$c3r1", "$c3r2", "$c3r3", "$c3r4", "$c3r5", "$c3r6", "$c3r7", \
"$c3r8", "$c3r9", "$c3r10","$c3r11","$c3r12","$c3r13","$c3r14","$c3r15", \
"$c3r16","$c3r17","$c3r18","$c3r19","$c3r20","$c3r21","$c3r22","$c3r23", \
- "$c3r24","$c3r25","$c3r26","$c3r27","$c3r28","$c3r29","$c3r30","$c3r31" }
+ "$c3r24","$c3r25","$c3r26","$c3r27","$c3r28","$c3r29","$c3r30","$c3r31", \
+ "$ac1hi","$ac1lo","$ac2hi","$ac2lo","$ac3hi","$ac3lo","$dsp_po","$dsp_sc", \
+ "$dsp_ca","$dsp_ou","$dsp_cc","$dsp_ef" }
/* List the "software" names for each register. Also list the numerical
names for $fp and $sp. */
#define ASM_OUTPUT_SOURCE_FILENAME(STREAM, NAME) \
mips_output_filename (STREAM, NAME)
-/* This is defined so that it can be overridden in iris6.h. */
-#define ASM_OUTPUT_FILENAME(STREAM, NUM_SOURCE_FILENAMES, NAME) \
-do \
- { \
- fprintf (STREAM, "\t.file\t%d ", NUM_SOURCE_FILENAMES); \
- output_quoted_string (STREAM, NAME); \
- fputs ("\n", STREAM); \
- } \
-while (0)
+/* mips-tfile does not understand .stabd directives. */
+#define DBX_OUTPUT_SOURCE_LINE(STREAM, LINE, COUNTER) do { \
+ dbxout_begin_stabn_sline (LINE); \
+ dbxout_stab_value_internal_label ("LM", &COUNTER); \
+} while (0)
-#ifndef ASM_OUTPUT_SOURCE_LINE
-#define ASM_OUTPUT_SOURCE_LINE(STREAM, LINE, COUNTER) \
- mips_output_lineno (STREAM, LINE)
-#endif
+/* Use .loc directives for SDB line numbers. */
+#define SDB_OUTPUT_SOURCE_LINE(STREAM, LINE) \
+ fprintf (STREAM, "\t.loc\t%d %d\n", num_source_filenames, LINE)
/* The MIPS implementation uses some labels for its own purpose. The
following lists what labels are created, and are all formed by the
LOCAL_LABEL_PREFIX, VALUE); \
} while (0)
-/* When generating mips16 code we want to put the jump table in the .text
- section. In all other cases, we want to put the jump table in the .rdata
- section. Unfortunately, we can't use JUMP_TABLES_IN_TEXT_SECTION, because
- it is not conditional. Instead, we use ASM_OUTPUT_CASE_LABEL to switch back
- to the .text section if appropriate. */
-#undef ASM_OUTPUT_CASE_LABEL
-#define ASM_OUTPUT_CASE_LABEL(FILE, PREFIX, NUM, INSN) \
-do { \
- if (TARGET_MIPS16) \
- function_section (current_function_decl); \
- (*targetm.asm_out.internal_label) (FILE, PREFIX, NUM); \
-} while (0)
+/* When generating MIPS16 code, we want the jump table to be in the text
+ section so that we can load its address using a PC-relative addition. */
+#define JUMP_TABLES_IN_TEXT_SECTION TARGET_MIPS16
/* This is how to output an assembler line
that says to advance the location counter
#undef PTRDIFF_TYPE
#define PTRDIFF_TYPE (POINTER_SIZE == 64 ? "long int" : "int")
-
-/* See mips_expand_prologue's use of loadgp for when this should be
- true. */
-
-#define DONT_ACCESS_GBLS_AFTER_EPILOGUE (TARGET_ABICALLS && !TARGET_OLDABI)
\f
#ifndef __mips16
/* Since the bits of the _init and _fini function is spread across
" TEXT_SECTION_ASM_OP);
#endif
#endif
+
+#ifndef HAVE_AS_TLS
+#define HAVE_AS_TLS 0
+#endif
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