[Bug binutils/16886] setjmp/longjmp in libopcodes would be faster as sigsetjmp w/ save=0

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=16886

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https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=8df14d78dc753a5286bb6461a14d8baa1e13e3cd

commit 8df14d78dc753a5286bb6461a14d8baa1e13e3cd
Author: H.J. Lu <address@hidden>
Date:   Fri May 2 08:27:16 2014 -0700

    Use sigsetjmp/siglongjmp in opcodes

    sigsetjmp/siglongjmp without saving the signal mask is faster than
    setjmp/longjmp on systems where the signal mask is saved.  This patch
    uses sigsetjmp/siglongjmp without saving the signal mask if possible.

        PR binutils/16886
        * config.in: Regenerated.
        * configure: Likewise.
        * configure.in: Check if sigsetjmp is available.
        * h8500-dis.c (private): Replace jmp_buf with OPCODES_SIGJMP_BUF.
        (fetch_data): Replace longjmp with OPCODES_SIGLONGJMP.
        (print_insn_h8500): Replace setjmp with OPCODES_SIGSETJMP.
        * i386-dis.c (dis_private): Replace jmp_buf with OPCODES_SIGJMP_BUF.
        (fetch_data): Replace longjmp with OPCODES_SIGLONGJMP.
        (print_insn): Replace setjmp with OPCODES_SIGSETJMP.
        * ns32k-dis.c (private): Replace jmp_buf with OPCODES_SIGJMP_BUF.
        (fetch_data): Replace longjmp with OPCODES_SIGLONGJMP.
        (print_insn_ns32k): Replace setjmp with OPCODES_SIGSETJMP.
        * sysdep.h (OPCODES_SIGJMP_BUF): New macro.
        (OPCODES_SIGSETJMP): Likewise.
        (OPCODES_SIGLONGJMP): Likewise.
        * vax-dis.c (private): Replace jmp_buf with OPCODES_SIGJMP_BUF.
        (fetch_data): Replace longjmp with OPCODES_SIGLONGJMP.
        (print_insn_vax): Replace setjmp with OPCODES_SIGSETJMP.
        * xtensa-dis.c (dis_private): Replace jmp_buf with
        OPCODES_SIGJMP_BUF.
        (fetch_data): Replace longjmp with OPCODES_SIGLONGJMP.
        (print_insn_xtensa): Replace setjmp with OPCODES_SIGSETJMP.
        * z8k-dis.c(instr_data_s): Replace jmp_buf with OPCODES_SIGJMP_BUF.
        (fetch_data): Replace longjmp with OPCODES_SIGLONGJMP.
        (print_insn_z8k): Replace setjmp with OPCODES_SIGSETJMP.

-----------------------------------------------------------------------

Summary of changes:
 opcodes/ChangeLog    |   29 +++++++++++++++++++++++++++++
 opcodes/config.in    |    3 +++
 opcodes/configure    |   35 +++++++++++++++++++++++++++++++++++
 opcodes/configure.in |   11 +++++++++++
 opcodes/h8500-dis.c  |    6 +++---
 opcodes/i386-dis.c   |    6 +++---
 opcodes/ns32k-dis.c  |    6 +++---
 opcodes/sysdep.h     |   14 ++++++++++++++
 opcodes/vax-dis.c    |    6 +++---
 opcodes/xtensa-dis.c |    6 +++---
 opcodes/z8k-dis.c    |    6 +++---
 11 files changed, 110 insertions(+), 18 deletions(-)

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