[git] GCRYPT - branch, master, updated. libgcrypt-1.6.0-354-g583919d

[by Jussi Kivilinna]

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      from  897ccd21b7221982806b5c024518f4e989152f14 (commit)

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- Log -----------------------------------------------------------------
commit 583919d70763671ed9feeaa14e1f66379aff88cc
Author: Jussi Kivilinna <jussi.kivilinna at iki.fi>
Date:   Sun Mar 20 15:21:40 2016 +0200

    Fix ARM NEON support detection on ARMv6 target
    
    * configure.ac (gcry_cv_gcc_inline_asm_neon): Use '.arm' directive
    instead of '.thumb'.
    --
    
    Fix allows building ARM NEON assembly implementations when compiler
    target is ARMv6. This enables NEON implementations on ARMv7+NEON CPUs
    running on ARMv6 OS (for example, Raspbian on Raspberry Pi 2/3).
    
    Signed-off-by: Jussi Kivilinna <jussi.kivilinna at iki.fi>

diff --git a/configure.ac b/configure.ac
index 8ed8d26..6a2d61b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1487,7 +1487,7 @@ AC_CACHE_CHECK([whether GCC inline assembler supports NEON instructions],
           AC_COMPILE_IFELSE([AC_LANG_SOURCE(
           [[__asm__(
                 ".syntax unified\n\t"
-                ".thumb\n\t"
+                ".arm\n\t"
                 ".fpu neon\n\t"
                 "vld1.64 {%q0-%q1}, [%r0]!;\n\t"
                 "vrev64.8 %q0, %q3;\n\t"

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

Summary of changes:
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)


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