diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 6d403436..97401c3a 100644 --- a/configure.ac +++ b/configure.ac @@ -1077,6 +1077,40 @@ fi # +# Check whether GCC assembler supports features needed for assembly +# implementations that use Intel syntax +# +AC_CACHE_CHECK([whether GCC assembler is compatible for Intel syntax assembly implementations], + [gcry_cv_gcc_platform_as_ok_for_intel_syntax], + [gcry_cv_gcc_platform_as_ok_for_intel_syntax=no + AC_COMPILE_IFELSE([AC_LANG_SOURCE( + [[__asm__( + ".intel_syntax noprefix\n\t" + "pxor xmm1, xmm7;\n\t" + /* Intel syntax implementation also use GAS macros, so check + * for them here. */ + "VAL_A = xmm4\n\t" + "VAL_B = xmm2\n\t" + ".macro SET_VAL_A p1\n\t" + " VAL_A = \\\\p1 \n\t" + ".endm\n\t" + ".macro SET_VAL_B p1\n\t" + " VAL_B = \\\\p1 \n\t" + ".endm\n\t" + "vmovdqa VAL_A, VAL_B;\n\t" + "SET_VAL_A eax\n\t" + "SET_VAL_B ebp\n\t" + "add VAL_A, VAL_B;\n\t" + "add VAL_B, 0b10101;\n\t" + );]])], + [gcry_cv_gcc_platform_as_ok_for_intel_syntax=yes])]) +if test "$gcry_cv_gcc_platform_as_ok_for_intel_syntax" = "yes" ; then + AC_DEFINE(HAVE_INTEL_SYNTAX_PLATFORM_AS,1, + [Defined if underlying assembler is compatible with Intel syntax assembly implementations]) +fi + + +# # Check whether compiler is configured for ARMv6 or newer architecture # AC_CACHE_CHECK([whether compiler is configured for ARMv6 or newer architecture], @@ -1676,6 +1710,13 @@ LIST_MEMBER(sha256, $enabled_digests) if test "$found" = "1" ; then GCRYPT_DIGESTS="$GCRYPT_DIGESTS sha256.lo" AC_DEFINE(USE_SHA256, 1, [Defined if this module should be included]) + + case "${host}" in + x86_64-*-*) + # Build with the assembly implementation + GCRYPT_DIGESTS="$GCRYPT_DIGESTS sha256-ssse3-amd64.lo" + ;; + esac fi LIST_MEMBER(sha512, $enabled_digests) |