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author | rsandifo <rsandifo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-12-17 15:05:40 +0000 |
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committer | rsandifo <rsandifo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-12-17 15:05:40 +0000 |
commit | 583568360e91c15d532681e0858f7480541f7738 (patch) | |
tree | db00089740b52986d77e25864271a24f731e7688 /gcc/doc/tm.texi | |
parent | 1e9775a1622af5d15b5b088dceb86af11b12d06c (diff) | |
download | gcc-583568360e91c15d532681e0858f7480541f7738.tar.gz |
* target.h (asm_out.byte_op, asm_out.aligned_op, asm_out.unaligned_op,
asm_out.integer): New fields.
* target-def.h (TARGET_ASM_BYTE_OP, TARGET_ASM_ALIGNED_[HSDT]I_OP,
TARGET_ASM_UNALIGNED_[HSDT]I_OP, TARGET_ASM_INTEGER): New initialisers.
(TARGET_ASM_ALIGNED_INT_OP, TARGET_ASM_UNALIGNED_INT_OP): Collect
the individual initialisers together.
(TARGET_ASM_OUT): Add the new initialisers.
* output.h (assemble_integer): Return bool.
(integer_asm_op): Declare.
(default_assemble_integer): Declare.
(assemble_aligned_integer): New interface to assemble_integer.
* varasm.c (integer_asm_op): New function to select pseudo-op.
(default_assemble_integer): Default implementation of asm_out.integer.
(assemble_integer): Use the new target hook. Split objects into
words or bytes if the target hook fails. Return bool.
* doc/tm.texi (ASM_OUTPUT_CHAR, ASM_OUTPUT_BYTE, ASM_OUTPUT_SHORT,
ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_OUTPUT_QUADRUPLE_INT,
UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
UNALIGNED_DOUBLE_INT_ASM_OP): Undocument.
Document new target hooks.
* defaults.h (ASM_OUTPUT_ADDR_VEC_ELT): Use integer_asm_op.
* dwarf2asm.c (unaligned_integer_asm_op): Remove.
(dw2_assemble_integer): New.
(dw2_asm_output_data, dw2_asm_output_delta, dw2_asm_output_offset,
dw2_asm_output_pcrel, dw2_asm_output_addr, dw2_asm_output_addr_rtx,
dw2_asm_output_encoded_addr_rtx): Use it.
(dw2_asm_output_nstring): Use assemble_integer for the null terminator.
(dw2_asm_output_data_uleb128, dw2_asm_output_data_sleb128): Use
integer_asm_op to get the byte pseudo-op. Use assemble_integer
if it returns NULL.
* dwarf2asm.h (dw2_assemble_integer): Declare.
* dwarfout.c: Include dwarf2asm.h. Use dwarf2 functions for the
default implementation of most macros.
(output_unsigned_leb128): Use dw2_asm_output_data.
(output_signed_leb128, dwarfout_source_line): Likewise.
(output_reg_number): Use dw2_assemble_integer.
(generate_macinfo_entry): Separate the type and offset arguments.
Use assemble_integer to write the value.
(dwarfout_start_source_file): Update generate_macinfo_entry usage.
(dwarfout_end_source_file, dwarfout_define, dwarfout_undef): Likewise.
* final.c (output_addr_const): Don't put brackets round a subtracted
symbol value or ".".
* halfpic.c (half_pic_finish): Use assemble_aligned_integer.
* config/1750a/1750a.c (assemble_integer_1750a): New,
* config/alpha/alpha.h (literal_section): Avoid ASM_OUTPUT_INT.
* config/arc/arc.c (arc_assemble_integer): New.
* config/arc/arc.h (TRAMPOLINE_TEMPLATE): Avoid ASM_OUTPUT_INT.
* config/arm/arm.c (arm_poke_function_name): Likewise.
(arm_assemble_integer): New, extracted from...
* config/arm/arm.h (OUTPUT_INT_ADDR_CONST): ...here, now removed.
(ARM_TRAMPOLINE_TEMPLATE, ARM_FUNCTION_PROFILER): Avoid ASM_OUTPUT_INT.
(ARM_FUNCTION_PROFILER): Likewise.
* config/avr/avr-protos.h (asm_output_byte): Remove.
(asm_output_char, asm_output_short): Remove.
* config/avr/avr.c (avr_assemble_integer): New.
(asm_output_byte, asm_output_char, asm_output_short): Remove.
* config/clipper/clipper.h (ASM_LONG): Remove.
* config/dsp16xx/dsp16xx-protos.h (asm_output_long): Remove.
* config/dsp16xx/dsp16xx.c (asm_output_long): Remove.
* config/elxsi/elxsi.c (elxsi_assemble_integer): New.
* config/i370/i370.c (i370_hlasm_assemble_integer): New.
* config/i370/i370.h (TRAMPOLINE_TEMPLATE): Avoid ASM_OUTPUT_SHORT.
(ASM_BYTE, ASM_SHORT, ASM_LONG): Delete.
* config/i386/att.h, (ASM_OUTPUT_ASCII): Avoid ASM_BYTE_OP.
* config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Use
ASM_LONG instead of UNALIGNED_INT_ASM_OP.
* config/i386/sco5.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise.
(ASM_OUTPUT_ASCII): Avoid ASM_BYTE_OP.
* config/i386/sysv4.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Use
ASM_LONG instead of UNALIGNED_INT_ASM_OP.
* config/i860/fx2800.h (ASM_FILE_END): Avoid ASM_LONG.
* config/i860/i860.c (i860_output_function_epilogue): Likewise.
* config/i860/i860.h (TRAMPOLINE_TEMPLATE): Avoid ASM_OUTPUT_INT.
(ASM_SHORT, ASM_LONG): Undefine.
* config/i860/paragon.h (ASM_OUTPUT_ASCII): Avoid ASM_BYTE_OP.
* config/i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
* config/i960/i960.h (TRAMPOLINE_TEMPLATE): Avoid ASM_OUTPUT_INT.
* config/ia64/ia64.c (ia64_assemble_integer): New.
* config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Use integer_asm_op.
(ASM_OUTPUT_DWARF_PCREL): Likewise.
* config/m68hc11/m68hc11.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT,
ASM_OUTPUT_ADDR_DIFF_ELT, ASM_OUTPUT_ADDR_VEC_ELT): Avoid ASM_LONG.
(ASM_SHORT, ASM_LONG): Remove.
* config/m68k/m68k.h (INT_OP_GROUP): New macro.
(INT_OP_STANDARD, INT_OP_DOT_WORD, INT_OP_NO_DOT, INT_OP_DC): New
macros, the allowed values for INT_OP_GROUP.
* config/m68k/amix.h (ASM_OUTPUT_ASCII): Avoid ASM_BYTE_OP
* config/m68k/atari.h (ASM_OUTPUT_ASCII): Likewise
* config/m68k/m68kelf.h (ASM_OUTPUT_ASCII): Likewise
* config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP): Remove.
(INT_OP_GROUP): Define to INT_OP_NO_DOT.
* config/m68k/dpx2.h (ASM_LONG): Undefine.
(INT_OP_GROUP): Define to INT_OP_DC.
* config/m68k/dpx2g.h (ASM_LONG): Undefine.
* config/m68k/hp320.h (INT_OP_GROUP): Define to INT_OP_NO_DOT.
* config/m68k/lynx.h (ASM_LONG): Undefine.
* config/m68k/dpx2g.h (ASM_LONG): Undefine.
* config/m68k/m68kelf.h (ASM_OUTPUT_ASCII): Avoid ASM_BYTE_OP.
* config/m68k/m68kv4.h (ASM_OUTPUT_ASCII): Likewise.
(TRAMPOLINE_TEMPLATE): Avoid ASM_OUTPUT_*.
* config/m68k/mot3300.h (INT_OP_GROUP): Define to INT_OP_STANDARD
for GAS and INT_OP_NO_DOT otherwise.
(ASM_CHAR, ASM_BYTE, ASM_SHORT, ASM_LONG): Remove.
(ASM_OUTPUT_LONG_DOUBLE, ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT,
ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Avoid ASM_LONG.
(ASM_OUTPUT_ASCII): Avoid ASM_BYTE_OP.
* config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP): Remove.
(INT_OP_GROUP): Define to INT_OP_STANDARD.
(ASM_OUTPUT_LONG_DOUBLE, ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT,
ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Avoid LONG_ASM_OP.
(ASM_OUTPUT_ASCII): Avoid BYTE_ASM_OP.
* config/m68k/tower-as.h (ASM_LONG): Remove.
(INT_OP_GROUP): Define to INT_OP_NO_DOT.
* config/m88k/m88k.c (output_tdesc): Avoid ASM_LONG.
* config/m88k/m88k.h (TRAMPOLINE_TEMPLATE): Avoid ASM_OUTPUT_INT.
(ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT): Avoid ASM_LONG.
* config/mips/iris5.h (TARGET_IRIX5): Define.
* config/mips/mips.c (mips_assemble_integer): New.
* config/mips/sni-svr4.h (ASM_LONG): Undefine.
* config/mmix/mmix-protos.h (mmix_asm_output_double_int): Remove.
* config/mmix/mmix.c (mmix_assemble_integer): New.
(mmix_asm_output_double_int): Remove.
(mmix_print_operand): Call mmix_output_octa directly.
* config/mmix/mmix.h (ASM_LONG): Remove.
* config/ns32k/ns32k.h (TRAMPOLINE_TEMPLATE): Avoid ASM_OUTPUT_INT.
* config/pa/pa.c (pa_assemble_integer): New.
(pa_override_options): Only use aligned DI ops on 64-bit targets.
Only use the unaligned ops if TARGET_GAS.
* config/pdp11/pdp11.c (pdp11_assemble_integer): New.
* config/pdp11/pdp11.h (TRAMPOLINE_TEMPLATE): Avoid ASM_OUTPUT_SHORT.
* config/pj/pj.h (ASM_LONG): Undefine.
* config/rs6000/linux64.h (RELOCATABLE_NEEDS_FIXUP): Undefine.
* config/rs6000/rs6000.c (rs6000_assemble_integer): New, mostly
extracted from ASM_OUTPUT_INT in sysv4.h. Use in_text_section()
and in_toc_section() rather than the in_section variable.
(rs6000_override_options): Only use DI ops when TARGET_POWERPC64.
* config/rs6000/sysv4.h (TOC_SECTION_FUNCTION): Add in_toc_section().
(RELOCATABLE_NEEDS_FIXUP): Define.
* config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Change space to tab.
* config/s390/linux.h (ASM_SHORT, ASM_LONG, ASM_QUAD): Remove.
(ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Use integer_asm_op
to get the word directive.
(ASM_OUTPUT_ASCII): Avoid ASM_BYTE_OP.
* config/s390/s390.c (s390_assemble_integer): New.
* config/s390/s390.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Use
integer_asm_op to get the word directive.
* config/sparc/sol2.h (ASM_SHORT, ASM_LONG): Remove.
* config/sparc/sparc-protos.h (output_double_int): Remove.
* config/sparc/sparc.c (output_double_int): Move to...
(sparc_assemble_integer): ...this new function.
(sparc_override_options): Only use .uaxword if TARGET_ARCH64.
* config/sparc/sparc.h (ASM_SHORT, ASM_LONG, ASM_LONGLONG): Remove.
* config/sparc/sysv4.h (ASM_LONG): Remove.
(ASM_OUTPUT_LONG_DOUBLE, ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT): Avoid
ASM_LONG.
* config/vax/vax.h (TRAMPOLINE_TEMPLATE): Use assemble_aligned_integer.
* config/we32k/we32k.h (TRAMPOLINE_TEMPLATE): Likewise.
* config/1750a/1750a.c, config/a29k/a29k.c, config/alpha/alpha.c,
config/arc/arc.c, config/arm/arm.c, config/avr/avr.c, config/c4x/c4x.c,
config/clipper/clipper.c, config/convex/convex.c, config/cris/cris.c,
config/d30v/d30v.c, config/dsp16xx/dsp16xx.c, config/elxsi/elxsi.c,
config/fr30/fr30.c, config/h8300/h8300.c, config/i370/i370.c,
config/i386/i386.c, config/i860/i860.c, config/i960/i960.c,
config/ia64/ia64.c, config/m32r/m32r.c, config/m68hc11/m68hc11.c,
config/m68k/m68k.c, config/m88k/m88k.c, config/mips/mips.c,
config/mmix/mmix.c, config/mn10200/mn10200.c, config/mn10300/mn10300.c,
config/ns32k/ns32k.c, config/pa/pa.c, config/pdp11/pdp11.c,
config/sh/sh.c, config/sparc/sparc.c, config/stormy16/stormy16.c,
config/v850/v850.c, config/vax/vax.c, config/we32k/we32k.c
(TARGET_ASM_BYTE_OP, TARGET_ASM_ALIGNED_HI_OP,
TARGET_ASM_ALIGNED_SI_OP, TARGET_ASM_ALIGNED_DI_OP,
TARGET_ASM_UNALIGNED_HI_OP, TARGET_ASM_UNALIGNED_SI_OP,
TARGET_ASM_UNALIGNED_DI_OP, TARGET_ASM_INTEGER): Redefine as
appropriate.
* config/defaults.h, config/darwin.h, config/elfos.h, config/svr3.h,
config/1750a/1750a.h, config/a29k/a29k.h, config/alpha/alpha.h,
config/arc/arc.h, config/arm/arm.h, config/avr/avr.h, config/c4x/c4x.h,
config/clipper/clipper.h, config/convex/convex.h, config/cris/cris.h,
config/d30v/d30v.h, config/dsp16xx/dsp16xx.h, config/elxsi/elxsi.h,
config/fr30/fr30.h, config/h8300/h8300.h, config/i370/i370.h,
config/i386/bsd.h, config/i386/djgpp.h, config/i386/i386.h,
config/i386/sco5.h, config/i386/sol2.h, config/i386/sun386.h,
config/i860/i860.h, config/i960/i960.h, config/ia64/ia64.h,
config/m32r/m32r.h, config/m68hc11/m68hc11.h, config/m68k/auxas.h,
config/m68k/dpx2.h, config/m68k/hp320.h, config/m68k/m68k.h,
config/m68k/mot3300.h, config/m68k/sgs.h, config/m68k/tower-as.h,
config/m88k/m88k.h, config/mcore/mcore-elf.h, config/mcore/mcore.h,
config/mips/iris5.h, config/mips/iris6.h, config/mips/mips.h,
config/mmix/mmix.h, config/mn10200/mn10200.h, config/mn10300/mn10300.h
config/ns32k/encore.h, config/ns32k/ns32k.h, config/pa/pa-64.h,
config/pa/pa.h, config/pdp11/pdp11.h, config/pj/pj.h,
config/romp/romp.h, config/rs6000/linux64.h, config/rs6000/rs6000.h,
config/rs6000/sysv4.h, config/rs6000/xcoff.h, config/s390/linux.h,
config/sh/sh.h, config/sparc/linux64.h, config/sparc/sol2.h,
config/sparc/sp64-elf.h, config/sparc/sparc.h, config/sparc/sysv4.h,
config/stormy16/stormy16.h, config/v850/v850.h, config/vax/vax.h,
config/we32k/we32k.h (ASM_OUTPUT_CHAR, ASM_OUTPUT_BYTE, ASM_BYTE_OP,
ASM_BYTE, ASM_OUTPUT_SHORT, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT,
UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
UNALIGNED_DOUBLE_INT_ASM_OP): Undefine, where defined.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@48101 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/doc/tm.texi')
-rw-r--r-- | gcc/doc/tm.texi | 81 |
1 files changed, 33 insertions, 48 deletions
diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi index c0105a84017..da3b4d543dc 100644 --- a/gcc/doc/tm.texi +++ b/gcc/doc/tm.texi @@ -5810,8 +5810,39 @@ set via @code{__attribute__}. @node Data Output @subsection Output of Data -@c prevent bad page break with this line -This describes data output. + +@deftypevr {Target Hook} {const char *} TARGET_ASM_BYTE_OP +@deftypevrx {Target Hook} {const char *} TARGET_ASM_ALIGNED_HI_OP +@deftypevrx {Target Hook} {const char *} TARGET_ASM_ALIGNED_SI_OP +@deftypevrx {Target Hook} {const char *} TARGET_ASM_ALIGNED_DI_OP +@deftypevrx {Target Hook} {const char *} TARGET_ASM_ALIGNED_TI_OP +@deftypevrx {Target Hook} {const char *} TARGET_ASM_UNALIGNED_HI_OP +@deftypevrx {Target Hook} {const char *} TARGET_ASM_UNALIGNED_SI_OP +@deftypevrx {Target Hook} {const char *} TARGET_ASM_UNALIGNED_DI_OP +@deftypevrx {Target Hook} {const char *} TARGET_ASM_UNALIGNED_TI_OP +These hooks specify assembly directives for creating certain kinds +of integer object. The @code{TARGET_ASM_BYTE_OP} directive creates a +byte-sized object, the @code{TARGET_ASM_ALIGNED_HI_OP} one creates an +aligned two-byte object, and so on. Any of the hooks may be +@code{NULL}, indicating that no suitable directive is available. + +The compiler will print these strings at the start of a new line, +followed immediately by the object's initial value. In most cases, +the string should contain a tab, a pseudo-op, and then another tab. +@end deftypevr + +@deftypefn {Target Hook} bool TARGET_ASM_INTEGER (rtx @var{x}, unsigned int @var{size}, int @var{aligned_p}) +The @code{assemble_integer} function uses this hook to output an +integer object. @var{x} is the object's value, @var{size} is its size +in bytes and @var{aligned_p} indicates whether it is aligned. The +function should return @code{true} if it was able to output the +object. If it returns false, @code{assemble_integer} will try to +split the object into smaller parts. + +The default implementation of this hook will use the +@code{TARGET_ASM_BYTE_OP} family of strings, returning @code{false} +when the relevant string is @code{NULL}. +@end deftypefn @table @code @findex ASM_OUTPUT_LONG_DOUBLE @@ -5831,29 +5862,6 @@ will be a C expression of type @code{REAL_VALUE_TYPE}. Macros such as @code{REAL_VALUE_TO_TARGET_DOUBLE} are useful for writing these definitions. -@findex ASM_OUTPUT_QUADRUPLE_INT -@findex ASM_OUTPUT_DOUBLE_INT -@findex ASM_OUTPUT_INT -@findex ASM_OUTPUT_SHORT -@findex ASM_OUTPUT_CHAR -@findex output_addr_const -@item ASM_OUTPUT_QUADRUPLE_INT (@var{stream}, @var{exp}) -@itemx ASM_OUTPUT_DOUBLE_INT (@var{stream}, @var{exp}) -@itemx ASM_OUTPUT_INT (@var{stream}, @var{exp}) -@itemx ASM_OUTPUT_SHORT (@var{stream}, @var{exp}) -@itemx ASM_OUTPUT_CHAR (@var{stream}, @var{exp}) -A C statement to output to the stdio stream @var{stream} an assembler -instruction to assemble an integer of 16, 8, 4, 2 or 1 bytes, -respectively, whose value is @var{value}. The argument @var{exp} will -be an RTL expression which represents a constant value. Use -@samp{output_addr_const (@var{stream}, @var{exp})} to output this value -as an assembler expression. - -For sizes larger than @code{UNITS_PER_WORD}, if the action of a macro -would be identical to repeatedly calling the macro corresponding to -a size of @code{UNITS_PER_WORD}, once for each word, you need not define -the macro. - @findex OUTPUT_ADDR_CONST_EXTRA @item OUTPUT_ADDR_CONST_EXTRA (@var{stream}, @var{x}, @var{fail}) A C statement to recognize @var{rtx} patterns that @@ -5866,29 +5874,6 @@ If @code{OUTPUT_ADDR_CONST_EXTRA} fails to recognize a pattern, it must prints an error message itself, by calling, for example, @code{output_operand_lossage}, it may just complete normally. -@findex ASM_OUTPUT_BYTE -@item ASM_OUTPUT_BYTE (@var{stream}, @var{value}) -A C statement to output to the stdio stream @var{stream} an assembler -instruction to assemble a single byte containing the number @var{value}. - -@findex ASM_BYTE_OP -@item ASM_BYTE_OP -A C string constant, including spacing, giving the pseudo-op to use for a -sequence of single-byte constants. If this macro is not defined, the -default is @code{"\t.byte\t"}. - -@findex UNALIGNED_SHORT_ASM_OP -@findex UNALIGNED_INT_ASM_OP -@findex UNALIGNED_DOUBLE_INT_ASM_OP -@item UNALIGNED_SHORT_ASM_OP -@itemx UNALIGNED_INT_ASM_OP -@itemx UNALIGNED_DOUBLE_INT_ASM_OP -A C string constant, including spacing, giving the pseudo-op to use -to assemble 16-, 32-, and 64-bit integers respectively @emph{without} -adding implicit padding or alignment. These macros are required if -DWARF 2 frame unwind is used. On ELF systems, these will default -to @code{.2byte}, @code{.4byte}, and @code{.8byte}. - @findex ASM_OUTPUT_ASCII @item ASM_OUTPUT_ASCII (@var{stream}, @var{ptr}, @var{len}) A C statement to output to the stdio stream @var{stream} an assembler |