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glibc/config.h.in
caiyinyu 0d341d09f2 LoongArch: config: Added HAVE_LOONGARCH_VEC_ASM. 
This patch checks if assembler supports vector instructions to
generate LASX/LSX code or not, and then define HAVE_LOONGARCH_VEC_ASM macro

We have added support for vector instructions in binutils-2.41
See:
https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=75b2f521b101d974354f6ce9ed7c054d8b2e3b7a

commit 75b2f521b101d974354f6ce9ed7c054d8b2e3b7a
Author: mengqinggang <mengqinggang@loongson.cn>
Date:   Thu Jun 22 10:35:28 2023 +0800

LoongArch: gas: Add lsx and lasx instructions support

gas/ChangeLog:

        * config/tc-loongarch.c (md_parse_option): Add lsx and lasx option.
        (loongarch_after_parse_args): Add lsx and lasx option.

opcodes/ChangeLog:

        * loongarch-opc.c (struct loongarch_ase): Add lsx and lasx
        instructions.
2023-07-11 10:56:01 +08:00

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/* Define if building with SELinux support. Set by --with-selinux. */
#undef HAVE_SELINUX
/* Defined if building with SELinux support & audit libs are detected. */
#undef HAVE_LIBAUDIT
/* Defined if building with SELinux support & libcap libs are detected. */
#undef HAVE_LIBCAP
/* Define to the assembler line separator character for multiple
assembler instructions per line. Default is `;' */
#undef ASM_LINE_SEP
/* Define if __attribute__((section("foo"))) puts quotes around foo. */
#undef HAVE_SECTION_QUOTES
/* Define if the assembler supports the `.set' directive. */
#undef HAVE_ASM_SET_DIRECTIVE
/* On powerpc64, use overlapping .opd entries. */
#undef USE_PPC64_OVERLAPPING_OPD
/* On powerpc64, use @notoc. */
#undef USE_PPC64_NOTOC
/* On powerpc64, define if the compiler supports -mcpu=power10. */
#undef USE_PPC64_MCPU_POWER10
/* On powerpc*, define if scv should be used for syscalls (when available). */
#undef USE_PPC_SCV
/* Define if _Unwind_Find_FDE should be exported from glibc. */
#undef EXPORT_UNWIND_FIND_FDE
/* Define if static NSS modules are wanted. */
#undef DO_STATIC_NSS
/* Assume that the compiler supports __builtin_expect.
This macro is necessary for proper compilation of code
shared between GNU libc and GNU gettext projects. */
#define HAVE_BUILTIN_EXPECT 1
/* Define if the compiler supports __builtin_memset. */
#undef HAVE_BUILTIN_MEMSET
/* Define if compiler accepts -ftree-loop-distribute-patterns. */
#undef HAVE_CC_INHIBIT_LOOP_TO_LIBCALL
/* Define if compiler accepts -fno-stack-protector in an
__attribute__ ((__optimize__)). */
#undef HAVE_CC_NO_STACK_PROTECTOR
/* The level of stack protection in use for glibc as a whole.
May be overridden on a file-by-file basis. */
#ifndef STACK_PROTECTOR_LEVEL
#undef STACK_PROTECTOR_LEVEL
#endif
/* Define if _rtld_local structure should be forced into .sdata section. */
#undef HAVE_SDATA_SECTION
/* Define if assembler supports z10 zarch instructions as default on S390. */
#undef HAVE_S390_MIN_Z10_ZARCH_ASM_SUPPORT
/* Define if assembler supports z196 zarch instructions as default on S390. */
#undef HAVE_S390_MIN_Z196_ZARCH_ASM_SUPPORT
/* Define if assembler supports z13 zarch instructions as default on S390. */
#undef HAVE_S390_MIN_Z13_ZARCH_ASM_SUPPORT
/* Define if assembler supports arch13 zarch instruction as default on S390. */
#undef HAVE_S390_MIN_ARCH13_ZARCH_ASM_SUPPORT
/* Define if assembler supports vector instructions on S390. */
#undef HAVE_S390_VX_ASM_SUPPORT
/* Define if gcc supports vector registers as clobbers in inline assembly
on S390. */
#undef HAVE_S390_VX_GCC_SUPPORT
/* Define if assembler supports arch13 instructions on S390. */
#undef HAVE_S390_ARCH13_ASM_SUPPORT
/* Define if the compiler\'s exception support is based on libunwind. */
#undef HAVE_CC_WITH_LIBUNWIND
/* Define if the accesses to static and hidden variables in a shared object
need dynamic relocations. */
#undef HIDDEN_VAR_NEEDS_DYNAMIC_RELOC
/* Define this to disable the 'hidden_proto' et al macros in
include/libc-symbols.h that avoid PLT slots in PIE. */
#undef NO_HIDDEN_EXTERN_FUNC_IN_PIE
/* Define this to disable the 'hidden_proto' et al macros in
include/libc-symbols.h that avoid PLT slots in the shared objects. */
#undef NO_HIDDEN
/* Define this to disable in rtld the 'hidden_proto' et al macros in
include/libc-symbols.h that avoid PLT slots in the shared objects. */
#undef NO_RTLD_HIDDEN
/* Define this to disable lazy relocations in DSOs. */
#undef BIND_NOW
/* AArch64 big endian ABI */
#undef HAVE_AARCH64_BE
/* AArch64 BTI support enabled. */
#define HAVE_AARCH64_BTI 0
/* AArch64 PAC-RET code generation is enabled. */
#define HAVE_AARCH64_PAC_RET 0
/* Assembler support ARMv8.2-A SVE.
This macro becomes obsolete when glibc increased the minimum
required version of GNU 'binutils' to 2.28 or later. */
#define HAVE_AARCH64_SVE_ASM 0
/* ARC big endian ABI */
#undef HAVE_ARC_BE
/* C-SKY ABI version. */
#undef CSKYABI
/* C-SKY floating-point instructions. */
#undef CSKY_HARD_FLOAT
/* C-SKY floating-point ABI. */
#undef CSKY_HARD_FLOAT_ABI
/* RISC-V integer ABI for ld.so. */
#undef RISCV_ABI_XLEN
/* RISC-V floating-point ABI for ld.so. */
#undef RISCV_ABI_FLEN
/* LOONGARCH integer ABI for ld.so. */
#undef LOONGARCH_ABI_GRLEN
/* LOONGARCH floating-point ABI for ld.so. */
#undef LOONGARCH_ABI_FRLEN
/* Assembler support LoongArch LASX/LSX vector instructions.
This macro becomes obsolete when glibc increased the minimum
required version of GNU 'binutils' to 2.41 or later. */
#define HAVE_LOONGARCH_VEC_ASM 0
/* Linux specific: minimum supported kernel version. */
#undef __LINUX_KERNEL_VERSION
/* Linux specific: __LINUX_KERNEL_VERSION as a string. */
#undef __LINUX_KERNEL_VERSION_STR
/* Override abi-tags ABI version if necessary. */
#undef __ABI_TAG_VERSION
/* Mach specific: define if the `host_page_size' RPC is available. */
#undef HAVE_HOST_PAGE_SIZE
/* Mach/i386 specific: define if the `i386_io_perm_*' RPCs are available. */
#undef HAVE_I386_IO_PERM_MODIFY
/* Mach/i386 specific: define if the `i386_set_gdt' RPC is available. */
#undef HAVE_I386_SET_GDT
/* Define if inlined system calls are available. */
#undef HAVE_INLINED_SYSCALLS
/* Define if memory tagging support should be enabled. */
#undef USE_MTAG
/* Package description. */
#undef PKGVERSION
/* Bug reporting address. */
#undef REPORT_BUGS_TO
/* Define if multi-arch DSOs should be generated. */
#undef USE_MULTIARCH
/* Define if Systemtap <sys/sdt.h> probes should be defined. */
#undef USE_STAP_PROBE
/* Define if library functions should try to contact the nscd daemon. */
#undef USE_NSCD
/* Define if the dynamic linker should consult an ld.so.cache file. */
#undef USE_LDCONFIG
/* Define to 1 if STT_GNU_IFUNC support actually works. */
#define HAVE_IFUNC 0
/* Define if gcc supports attribute ifunc. */
#undef HAVE_GCC_IFUNC
/* Define if CC supports attribute retain. */
#undef HAVE_GNU_RETAIN
/* Define to 1 if the assembler needs intermediate aliases to define
multiple symbol versions for one symbol. */
#define SYMVER_NEEDS_ALIAS 0
/* Define to 1 if libpthread actually resides in libc. */
#define PTHREAD_IN_LIBC 0
/* An integer used to scale the timeout of test programs. */
#define TIMEOUTFACTOR 1
/*
*/
#ifndef _LIBC
/* These symbols might be defined by some sysdeps configures.
They are used only in miscellaneous generator programs, not
in compiling libc itself. */
/* sysdeps/generic/configure.ac */
#undef HAVE_PSIGNAL
/* sysdeps/unix/configure.ac */
#undef HAVE_STRERROR
/* sysdeps/unix/common/configure.ac */
#undef HAVE_SYS_SIGLIST
#undef HAVE__SYS_SIGLIST
#undef HAVE__CTYPE_
#undef HAVE___CTYPE_
#undef HAVE___CTYPE
#undef HAVE__CTYPE__
#undef HAVE__CTYPE
#undef HAVE__LOCP
#endif
/*
*/
#ifdef _LIBC
/* The zic and zdump programs need these definitions. */
#define HAVE_STRERROR 1
/* The locale code needs these definitions. */
#define HAVE_REGEX 1
/* The ARM hard-float ABI is being used. */
#undef HAVE_ARM_PCS_VFP
/* The ARM movw/movt instructions using PC-relative relocs work right. */
#define ARM_PCREL_MOVW_OK 0
/* The pt_chown binary is being built and used by grantpt. */
#define HAVE_PT_CHOWN 0
/* Define if the compiler supports __builtin_trap without
any external dependencies such as making a function call. */
#define HAVE_BUILTIN_TRAP 0
/* ports/sysdeps/mips/configure.in */
/* Define if using the IEEE 754-2008 NaN encoding on the MIPS target. */
#undef HAVE_MIPS_NAN2008
/* The PowerPC64 ELFv2 ABI is being used. */
#undef HAVE_ELFV2_ABI
/* PowerPC32 uses fcfid for integer to floating point conversions. */
#define HAVE_PPC_FCFID 0
/* PowerPC32 uses fctidz for floating point to long long conversions. */
#define HAVE_PPC_FCTIDZ 0
/* Define if PIE is unsupported. */
#undef PIE_UNSUPPORTED
/* Define if static PIE is supported. */
#undef SUPPORT_STATIC_PIE
/* Define if static PIE is enabled. */
#define ENABLE_STATIC_PIE 0
/* The default value of x86 CET control. */
#define DEFAULT_DL_X86_CET_CONTROL cet_elf_property
/* Define if x86 ISA level should be included in shared libraries. */
#undef INCLUDE_X86_ISA_LEVEL
/* Define if -msahf is enabled by default on x86. */
#undef HAVE_X86_LAHF_SAHF
/* Define if -mmovbe is enabled by default on x86. */
#undef HAVE_X86_MOVBE
#endif
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