mirror of git://gcc.gnu.org/git/gcc.git
config.gcc (microblaze*-linux*): Add TARGET_BIG_ENDIAN_DEFAULT
gcc: * config.gcc (microblaze*-linux*): Add TARGET_BIG_ENDIAN_DEFAULT (microblaze*-*-elf): Likewise * config/microblaze/linux.h: Add -mbig-endian / -mlittle-endian to LINK_SPEC * config/microblaze/microblaze-c.c: Add builtin defines for _LITTLE_ENDIAN and _BIG_ENDIAN * config/microblaze/microblaze.h: Add TARGET_ENDIAN_DEFAULT and add to TARGET_DEFAULT flags. Expand ASM_SPEC and LINK_SPEC. Update BYTES_BIG_ENDIAN and WORDS_BIG_ENDIAN * config/microblaze/microblaze.md: Update extendsidi2 and movdi_internal instructions to use low-order / high-order reg print_operands * config/microblaze/microblaze.opt: Add mbig-endian and mlittle-endian options and inversemask / mask of LITTLE_ENDIAN * config/microblaze/t-microblaze: Expand multilib options to include mlittle- endian (le) and update exceptions patterns gcc/testsuite: * 20101011-1.c: Add __MICROBLAZE__ exception to set DO_TEST 0 From-SVN: r195893
This commit is contained in:
Edgar E. Iglesias
Michael Eager
parent
5df813131d
commit
76ef61fbd9
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@ -1,3 +1,22 @@
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2013-02-08 Edgar E. Iglesias <edgar.iglesias@gmail.com>
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* config.gcc (microblaze*-linux*): Add TARGET_BIG_ENDIAN_DEFAULT
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(microblaze*-*-elf): Likewise
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* config/microblaze/linux.h: Add -mbig-endian / -mlittle-endian to
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LINK_SPEC
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* config/microblaze/microblaze-c.c: Add builtin defines for _LITTLE_ENDIAN
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and _BIG_ENDIAN
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* config/microblaze/microblaze.h: Add TARGET_ENDIAN_DEFAULT and add to
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TARGET_DEFAULT flags.
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Expand ASM_SPEC and LINK_SPEC.
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Update BYTES_BIG_ENDIAN and WORDS_BIG_ENDIAN
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* config/microblaze/microblaze.md: Update extendsidi2 and movdi_internal
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instructions to use low-order / high-order reg print_operands
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* config/microblaze/microblaze.opt: Add mbig-endian and mlittle-endian
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options and inversemask / mask of LITTLE_ENDIAN
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* config/microblaze/t-microblaze: Expand multilib options to include mlittle-
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endian (le) and update exceptions patterns
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2013-02-08 Jakub Jelinek <jakub@redhat.com>
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PR rtl-optimization/56195
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@ -1737,11 +1737,20 @@ mep-*-*)
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use_gcc_stdint=wrap
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;;
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microblaze*-linux*)
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case $target in
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microblazeel-*)
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tm_defines="${tm_defines} TARGET_BIG_ENDIAN_DEFAULT=0"
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;;
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microblaze-*)
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tm_defines="${tm_defines} TARGET_BIG_ENDIAN_DEFAULT=4321"
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;;
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esac
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tm_file="${tm_file} dbxelf.h gnu-user.h linux.h microblaze/linux.h"
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tm_file="${tm_file} glibc-stdint.h"
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c_target_objs="${c_target_objs} microblaze-c.o"
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cxx_target_objs="${cxx_target_objs} microblaze-c.o"
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tmake_file="${tmake_file} microblaze/t-microblaze"
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tmake_file="${tmake_file} microblaze/t-microblaze-linux"
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;;
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microblaze*-*-rtems*)
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tm_file="${tm_file} dbxelf.h"
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@ -1752,6 +1761,14 @@ microblaze*-*-rtems*)
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tmake_file="${tmake_file} t-rtems microblaze/t-rtems"
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;;
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microblaze*-*-elf)
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case $target in
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microblazeel-*)
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tm_defines="${tm_defines} TARGET_BIG_ENDIAN_DEFAULT=0"
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;;
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microblaze-*)
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tm_defines="${tm_defines} TARGET_BIG_ENDIAN_DEFAULT=4321"
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;;
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esac
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tm_file="${tm_file} dbxelf.h newlib-stdint.h"
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c_target_objs="${c_target_objs} microblaze-c.o"
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cxx_target_objs="${cxx_target_objs} microblaze-c.o"
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@ -31,7 +31,9 @@
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%{!static: \
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%{rdynamic:-export-dynamic} \
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-dynamic-linker %(dynamic_linker)} \
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%{static:-static}}"
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%{static:-static}} \
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%{mbig-endian:-EB} \
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%{mlittle-endian:-EL}"
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/* For the microblaze-*-linux* subtarget. */
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#undef TARGET_OS_CPP_BUILTINS
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@ -41,6 +41,19 @@ microblaze_cpp_define (cpp_reader *pfile)
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builtin_assert ("cpu=microblaze");
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builtin_assert ("machine=microblaze");
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builtin_define ("__MICROBLAZE__");
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builtin_define ("__microblaze__");
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if (TARGET_LITTLE_ENDIAN)
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{
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builtin_define ("_LITTLE_ENDIAN");
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builtin_define ("__LITTLE_ENDIAN__");
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builtin_define ("__MICROBLAZEEL__");
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}
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else
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{
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builtin_define ("_BIG_ENDIAN");
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builtin_define ("__BIG_ENDIAN__");
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builtin_define ("__MICROBLAZEEB__");
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}
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if (!TARGET_SOFT_MUL)
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{
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if (!flag_iso)
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@ -46,8 +46,17 @@ extern enum pipeline_type microblaze_pipe;
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#define OBJECT_FORMAT_ELF
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#if TARGET_BIG_ENDIAN_DEFAULT
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#define TARGET_ENDIAN_DEFAULT 0
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#define TARGET_ENDIAN_OPTION "mbig-endian"
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#else
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#define TARGET_ENDIAN_DEFAULT MASK_LITTLE_ENDIAN
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#define TARGET_ENDIAN_OPTION "mlittle-endian"
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#endif
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/* Default target_flags if no switches are specified */
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#define TARGET_DEFAULT (MASK_SOFT_MUL | MASK_SOFT_DIV | MASK_SOFT_FLOAT)
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#define TARGET_DEFAULT (MASK_SOFT_MUL | MASK_SOFT_DIV | MASK_SOFT_FLOAT \
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| TARGET_ENDIAN_DEFAULT)
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/* What is the default setting for -mcpu= . We set it to v4.00.a even though
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we are actually ahead. This is safest version that has generate code
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@ -77,12 +86,16 @@ extern enum pipeline_type microblaze_pipe;
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#define TARGET_ASM_SPEC ""
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#define ASM_SPEC "\
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%(target_asm_spec)"
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%(target_asm_spec) \
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%{mbig-endian:-EB} \
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%{mlittle-endian:-EL}"
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/* Extra switches sometimes passed to the linker. */
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/* -xl-mode-xmdstub translated to -Zxl-mode-xmdstub -- deprecated. */
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#define LINK_SPEC "%{shared:-shared} -N -relax \
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%{mbig-endian:-EB --oformat=elf32-microblaze} \
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%{mlittle-endian:-EL --oformat=elf32-microblazeel} \
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%{Zxl-mode-xmdstub:-defsym _TEXT_START_ADDR=0x800} \
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%{mxl-mode-xmdstub:-defsym _TEXT_START_ADDR=0x800} \
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%{mxl-gp-opt:%{G*}} %{!mxl-gp-opt: -G 0} \
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@ -167,8 +180,8 @@ extern enum pipeline_type microblaze_pipe;
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/* Target machine storage layout */
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#define BITS_BIG_ENDIAN 0
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#define BYTES_BIG_ENDIAN 1
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#define WORDS_BIG_ENDIAN 1
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#define BYTES_BIG_ENDIAN (TARGET_LITTLE_ENDIAN == 0)
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#define WORDS_BIG_ENDIAN (BYTES_BIG_ENDIAN)
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#define BITS_PER_UNIT 8
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#define BITS_PER_WORD 32
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#define UNITS_PER_WORD 4
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@ -822,14 +822,14 @@
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""
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{
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if (which_alternative == 0)
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output_asm_insn ("addk\t%D0,r0,%1", operands);
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output_asm_insn ("addk\t%L0,r0,%1", operands);
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else
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output_asm_insn ("lw%i1\t%D0,%1", operands);
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output_asm_insn ("lw%i1\t%L0,%1", operands);
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output_asm_insn ("add\t%0,%D0,%D0", operands);
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output_asm_insn ("addc\t%0,r0,r0", operands);
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output_asm_insn ("beqi\t%0,.+8", operands);
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return "addi\t%0,r0,0xffffffff";
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output_asm_insn ("add\t%M0,%L0,%L0", operands);
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output_asm_insn ("addc\t%M0,r0,r0", operands);
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output_asm_insn ("beqi\t%M0,.+8", operands);
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return "addi\t%M0,r0,0xffffffff";
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}
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[(set_attr "type" "multi,multi,multi")
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(set_attr "mode" "DI")
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@ -887,7 +887,7 @@
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case 0:
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return "addk\t%0,%1\n\taddk\t%D0,%d1";
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case 1:
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return "addik\t%0,r0,%h1\n\taddik\t%D0,r0,%j1 #li => la";
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return "addik\t%M0,r0,%h1\n\taddik\t%L0,r0,%j1 #li => la";
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case 2:
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return "addk\t%0,r0,r0\n\taddk\t%D0,r0,r0";
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case 3:
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@ -55,6 +55,14 @@ mmemcpy
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Target Mask(MEMCPY)
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Don't optimize block moves, use memcpy
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mbig-endian
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Target Report RejectNegative InverseMask(LITTLE_ENDIAN)
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Assume target CPU is configured as big endian
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mlittle-endian
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Target Report RejectNegative Mask(LITTLE_ENDIAN)
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Assume target CPU is configured as little endian
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mxl-soft-mul
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Target Mask(SOFT_MUL)
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Use the soft multiply emulation (default)
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@ -1,6 +1,8 @@
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MULTILIB_OPTIONS = mxl-barrel-shift mno-xl-soft-mul mxl-multiply-high
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MULTILIB_DIRNAMES = bs m mh
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MULTILIB_OPTIONS = mxl-barrel-shift mno-xl-soft-mul mxl-multiply-high mlittle-endian
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MULTILIB_DIRNAMES = bs m mh le
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MULTILIB_EXCEPTIONS = *mxl-barrel-shift/mxl-multiply-high mxl-multiply-high
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MULTILIB_EXCEPTIONS += *mxl-barrel-shift/mxl-multiply-high/mlittle-endian
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MULTILIB_EXCEPTIONS += mxl-multiply-high/mlittle-endian
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# Extra files
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microblaze-c.o: $(srcdir)/config/microblaze/microblaze-c.c \
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@ -0,0 +1,3 @@
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MULTILIB_OPTIONS = mxl-barrel-shift mno-xl-soft-mul mxl-multiply-high
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MULTILIB_DIRNAMES = bs m mh
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MULTILIB_EXCEPTIONS = *mxl-barrel-shift/mxl-multiply-high mxl-multiply-high
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@ -1,3 +1,7 @@
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2013-02-08 Edgar E. Iglesias <edgar.iglesias@gmail.com>
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* 20101011-1.c: Add __MICROBLAZE__ exception to set DO_TEST 0
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2013-02-08 Jakub Jelinek <jakub@redhat.com>
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PR rtl-optimization/56195
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@ -29,6 +29,9 @@
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/* Not all Linux kernels deal correctly the breakpoints generated by
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MIPS16 divisions by zero. They show up as a SIGTRAP instead. */
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# define DO_TEST 0
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#elif defined (__MICROBLAZE__)
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/* We cannot rely on division by zero generating a trap. */
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# define DO_TEST 0
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#elif defined (__epiphany__)
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/* Epiphany does not have hardware division, and the software implementation
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has truly undefined behaviour for division by 0. */
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