diff options
Diffstat (limited to 'm68k-unknown-amigaos/recipes/patches/gcc/gcc.config.m68k.m68k.h.p')
| -rw-r--r-- | m68k-unknown-amigaos/recipes/patches/gcc/gcc.config.m68k.m68k.h.p | 175 |
1 files changed, 0 insertions, 175 deletions
diff --git a/m68k-unknown-amigaos/recipes/patches/gcc/gcc.config.m68k.m68k.h.p b/m68k-unknown-amigaos/recipes/patches/gcc/gcc.config.m68k.m68k.h.p deleted file mode 100644 index b6d1f66..0000000 --- a/m68k-unknown-amigaos/recipes/patches/gcc/gcc.config.m68k.m68k.h.p +++ /dev/null @@ -1,175 +0,0 @@ ---- gcc-3.4.6/gcc/config/m68k/m68k.h 2013-05-19 20:09:27.000000000 +0200 -+++ gcc/config/m68k/m68k.h 2013-05-19 20:23:32.000000000 +0200 -@@ -226,6 +226,11 @@ - #define MASK_ID_SHARED_LIBRARY (1<<18) - #define TARGET_ID_SHARED_LIBRARY (target_flags & MASK_ID_SHARED_LIBRARY) - -+/* Compile using the first 'm68k_regparm' data, address and float -+ registers for arguments passing. */ -+#define MASK_REGPARM (1<<24) -+#define TARGET_REGPARM (target_flags & MASK_REGPARM) -+ - /* Compile for a CPU32. A 68020 without bitfields is a good - heuristic for a CPU32. */ - #define TARGET_CPU32 (TARGET_68020 && !TARGET_BITFIELD) -@@ -342,6 +347,10 @@ - N_("Use different calling convention using 'rtd'") }, \ - { "nortd", - MASK_RTD, \ - N_("Use normal calling convention") }, \ -+ { "regparm", MASK_REGPARM, \ -+ N_("Pass arguments through registers") }, \ -+ { "no-regparm", - MASK_REGPARM, \ -+ N_("Don't pass arguments through registers") }, \ - SUBTARGET_SWITCHES \ - { "", TARGET_DEFAULT, "" }} - /* TARGET_DEFAULT is defined in m68k-none.h, netbsd.h, etc. */ -@@ -364,6 +373,8 @@ - N_("Function starts are aligned to this power of 2"), 0}, \ - { "shared-library-id=", &m68k_library_id_string, \ - N_("ID of shared library to build"), 0}, \ -+ { "regparm=", &m68k_regparm_string, \ -+ N_("Use this register count to pass arguments"), 0}, \ - SUBTARGET_OPTIONS \ - } - -@@ -556,7 +567,8 @@ - - /* Value is 1 if hard register REGNO can hold a value of machine-mode MODE. - On the 68000, the cpu registers can hold any mode except bytes in -- address registers, the 68881 registers can hold only SFmode or DFmode. */ -+ address registers, the 68881 registers can hold only SFmode or DFmode. -+ The 68881 registers can't hold anything if 68881 use is disabled. */ - - #define HARD_REGNO_MODE_OK(REGNO, MODE) \ - m68k_regno_mode_ok ((REGNO), (MODE)) -@@ -805,7 +817,7 @@ - /* On the 68000, this is the size of MODE in words, - except in the FP regs, where a single reg is always enough. */ - #define CLASS_MAX_NREGS(CLASS, MODE) \ -- ((CLASS) == FP_REGS ? 1 \ -+ ((CLASS) == FP_REGS ? GET_MODE_NUNITS (MODE) \ - : ((GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD)) - - /* Moves between fp regs and other regs are two insns. */ -@@ -901,10 +913,19 @@ - - #define PCC_STATIC_STRUCT_RETURN - --/* 1 if N is a possible register number for function argument passing. -- On the 68000, no registers are used in this way. */ -+/* 1 if N is a possible register number for function argument passing. */ - --#define FUNCTION_ARG_REGNO_P(N) 0 -+#define FUNCTION_ARG_REGNO_P(N) \ -+ ((((int)N) >= 0 && (N) < M68K_MAX_REGPARM) \ -+ || ((N) >= 8 && (N) < 8 + M68K_MAX_REGPARM) \ -+ || (TARGET_68881 && (N) >= 16 && (N) < 16 + M68K_MAX_REGPARM)) -+ -+/* Nonzero if we need to generate special stack-allocating insns. -+ On most systems they are not needed. -+ When they are needed, also define ALTERNATE_ALLOCATE_STACK (see m68k.md) -+ to perform the necessary actions. */ -+ -+#define TARGET_ALTERNATE_ALLOCATE_STACK 0 - - /* Define a data type for recording info about an argument list - during the scan of that argument list. This data type should -@@ -912,28 +933,52 @@ - and about the args processed so far, enough to enable macros - such as FUNCTION_ARG to determine where the next arg should go. - -- On the m68k, this is a single integer, which is a number of bytes -- of arguments scanned so far. */ -+ On the m68k, this is a structure: -+ num_of_regs: number of data, address and float registers to use for -+ arguments passing (if it's 2, than pass arguments in d0, d1, a0, a1, -+ fp0 and fp1). 0 - pass everything on stack. vararg calls are -+ always passed entirely on stack. -+ regs_already_used: bitmask of the already used registers. -+ last_arg_reg - register number of the most recently passed argument. -+ -1 if passed on stack. -+ last_arg_len - number of registers used by the most recently passed -+ argument. -+*/ - --#define CUMULATIVE_ARGS int -+struct m68k_args -+{ -+ int num_of_regs; -+ long regs_already_used; -+ int last_arg_reg; -+ int last_arg_len; -+}; -+ -+#define CUMULATIVE_ARGS struct m68k_args -+ -+/* Max. number of data, address and float registers to be used for passing -+ integer, pointer and float arguments when TARGET_REGPARM. -+ It's 4, so d0-d3, a0-a3 and fp0-fp3 can be used. */ -+ -+#define M68K_MAX_REGPARM 4 -+ -+/* The default number of data, address and float registers to use when -+ user specified '-mregparm' switch, not '-mregparm=<value>' option. */ -+ -+#define M68K_DEFAULT_REGPARM 2 - - /* Initialize a variable CUM of type CUMULATIVE_ARGS - for a call to a function whose data type is FNTYPE. -- For a library call, FNTYPE is 0. -- -- On the m68k, the offset starts at 0. */ -+ For a library call, FNTYPE is 0. */ - - #define INIT_CUMULATIVE_ARGS(CUM, FNTYPE, LIBNAME, INDIRECT, N_NAMED_ARGS) \ -- ((CUM) = 0) -+ (m68k_init_cumulative_args (&(CUM), (FNTYPE))) - - /* Update the data in CUM to advance over an argument - of mode MODE and data type TYPE. - (TYPE is null for libcalls where that information may not be available.) */ - - #define FUNCTION_ARG_ADVANCE(CUM, MODE, TYPE, NAMED) \ -- ((CUM) += ((MODE) != BLKmode \ -- ? (GET_MODE_SIZE (MODE) + 3) & ~3 \ -- : (int_size_in_bytes (TYPE) + 3) & ~3)) -+ (m68k_function_arg_advance (&(CUM))) - - /* Define where to put the arguments to a function. - Value is zero to push the argument on the stack, -@@ -948,9 +993,15 @@ - NAMED is nonzero if this argument is a named parameter - (otherwise it is an extra parameter matching an ellipsis). - -- On the m68k all args are always pushed. */ -+ On m68k all args are pushed, except if -mregparm is specified, then -+ a number of arguments is passed in the first 'm68k_regparm' data, -+ address and float registers. -+ Note: by default, the static-chain is passed in a0. Targets that want -+ to make full use of '-mregparm' are advised to pass the static-chain -+ somewhere else. */ - --#define FUNCTION_ARG(CUM, MODE, TYPE, NAMED) 0 -+#define FUNCTION_ARG(CUM, MODE, TYPE, NAMED) \ -+ (m68k_function_arg (&(CUM), (MODE), (TYPE))) - - /* For an arg passed partly in registers and partly in memory, - this is the number of registers used. -@@ -1688,14 +1739,17 @@ - - #define PRINT_OPERAND_ADDRESS(FILE, ADDR) print_operand_address (FILE, ADDR) - -+ - /* Variables in m68k.c */ - extern const char *m68k_align_loops_string; - extern const char *m68k_align_jumps_string; - extern const char *m68k_align_funcs_string; - extern const char *m68k_library_id_string; -+extern const char *m68k_regparm_string; - extern int m68k_align_loops; - extern int m68k_align_jumps; - extern int m68k_align_funcs; -+extern int m68k_regparm; - extern int m68k_last_compare_had_fp_operands; - - |