Richard Stallman
parent
767fcd82fb
commit
e97f2dc6c1
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@ -145,12 +145,16 @@ extern int target_flags;
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/* Alignment of field after `int : 0' in a structure. */
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#define EMPTY_FIELD_BOUNDARY 32
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/* Every structure's size must be a multiple of this. */
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/* ??? This is a guess. */
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#define STRUCTURE_SIZE_BOUNDARY 32
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/* No data type wants to be aligned rounder than this. */
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#define BIGGEST_ALIGNMENT 32
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/* Specified types of bitfields affect alignment of those fields
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and of the structure as a whole. */
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#define PCC_BITFIELD_TYPE_MATTERS
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#define PCC_BITFIELD_TYPE_MATTERS 1
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/* Make strings word-aligned so strcpy from constants will be faster.
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Pyramid documentation says the best alignment is to align
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@ -168,9 +172,9 @@ extern int target_flags;
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&& TYPE_MODE (TREE_TYPE (TYPE)) == QImode \
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&& (ALIGN) < BITS_PER_WORD ? BITS_PER_WORD : (ALIGN))
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/* Define this if move instructions will actually fail to work
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/* Set this nonzero if move instructions will actually fail to work
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when given unaligned data. */
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#define STRICT_ALIGNMENT
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#define STRICT_ALIGNMENT 1
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/*** Standard register usage. ***/
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@ -329,6 +333,12 @@ frame n | | | |
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/* If needed, Pyramid says to use temporary register 12. */
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#define STATIC_CHAIN_REGNUM PYR_TREG(12)
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/* If register windows are used, STATIC_CHAIN_INCOMING_REGNUM
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is the register number as seen by the called function, while
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STATIC_CHAIN_REGNUM is the register number as seen by the calling
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function. */
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#define STATIC_CHAIN_INCOMING_REGNUM PYR_PREG(12)
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/* Register in which address to store a structure value
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is passed to a function.
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On a Pyramid, this is temporary register 0 (TR0). */
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@ -547,7 +557,7 @@ enum reg_class { NO_REGS, ALL_REGS, LIM_REG_CLASSES };
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#define CUMULATIVE_ARGS int
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/* Define the number of registers that can hold paramters.
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/* Define the number of registers that can hold parameters.
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This macro is used only in other macro definitions below. */
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#define NPARM_REGS 12
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@ -694,6 +704,38 @@ extern void* pyr_function_arg ();
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#endif /* !FRAME_POINTER_REQUIRED */
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/* the trampoline stuff was taken from convex.h - S.P. */
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/* A C statement to output, on the stream FILE, assembler code for a
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block of data that contains the constant parts of a trampoline. This
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code should not include a label - the label is taken care of
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automatically.
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We use TR12/PR12 for the static chain.
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movew $<STATIC>,pr12 # I2R
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jump $<func> # S2R
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*/
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#define TRAMPOLINE_TEMPLATE(FILE) \
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{ ASM_OUTPUT_INT (FILE, gen_rtx (CONST_INT, VOIDmode, 0x2100001C)); \
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ASM_OUTPUT_INT (FILE, gen_rtx (CONST_INT, VOIDmode, 0x00000000)); \
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ASM_OUTPUT_INT (FILE, gen_rtx (CONST_INT, VOIDmode, 0x40000000)); \
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ASM_OUTPUT_INT (FILE, gen_rtx (CONST_INT, VOIDmode, 0x00000000)); }
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#define TRAMPOLINE_SIZE 16
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#define TRAMPOLINE_ALIGNMENT 32
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/* Emit RTL insns to initialize the variable parts of a trampoline.
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FNADDR is an RTX for the address of the function's pure code.
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CXT is an RTX for the static chain value for the function. */
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#define INITIALIZE_TRAMPOLINE(TRAMP, FNADDR, CXT) \
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{ emit_move_insn (gen_rtx (MEM, Pmode, plus_constant (TRAMP, 4)), CXT); \
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emit_move_insn (gen_rtx (MEM, Pmode, plus_constant (TRAMP, 12)), FNADDR); \
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emit_call_insn (gen_call (gen_rtx (MEM, QImode, \
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gen_rtx (SYMBOL_REF, Pmode, \
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"__enable_execute_stack")), \
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const0_rtx)); \
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}
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/* Output assembler code to FILE to increment profiler label # LABELNO
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for profiling a function entry. */
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#define FUNCTION_PROFILER(FILE, LABELNO) \
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@ -728,10 +770,15 @@ extern int current_function_calls_alloca;
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+ current_function_args_size != 0 \
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|| current_function_calls_alloca) \
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/* If the memory address ADDR is relative to the frame pointer,
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correct it to be relative to the stack pointer instead.
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This is for when we don't use a frame pointer.
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ADDR should be a variable name. */
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/* Store in the variable DEPTH the initial difference between the
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frame pointer reg contents and the stack pointer reg contents,
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as of the start of the function body. This depends on the layout
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of the fixed parts of the stack frame and on how registers are saved.
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On the Pyramid, FRAME_POINTER_REQUIRED is always 1, so the definition
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of this macro doesn't matter. But it must be defined. */
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#define INITIAL_FRAME_POINTER_OFFSET(DEPTH) (DEPTH) = 0;
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/*** Addressing modes, and classification of registers for them. ***/
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@ -1003,6 +1050,10 @@ extern int current_function_calls_alloca;
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return 4; \
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case CONST_DOUBLE: \
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return 6;
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/* A flag which says to swap the operands of certain insns
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when they are output. */
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extern int swap_operands;
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/*** Condition Code Information ***/
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