[issue29504] blake2: compile error with -march=bdver2

[Mike Gilbert]

New submission from Mike Gilbert:

When compiling python-3.6.0 with -march=bdver2, the blake2 module fails to build.

In file included from /var/tmp/portage/dev-lang/python-3.6.0/work/Python-3.6.0/Modules/_blake2/impl/blake2s-round.h:70:0,
                 from /var/tmp/portage/dev-lang/python-3.6.0/work/Python-3.6.0/Modules/_blake2/impl/blake2s.c:40,
                 from /var/tmp/portage/dev-lang/python-3.6.0/work/Python-3.6.0/Modules/_blake2/blake2s_impl.c:32:
/var/tmp/portage/dev-lang/python-3.6.0/work/Python-3.6.0/Modules/_blake2/impl/blake2s-load-xop.h:29:4: error: expected identifier or '(' before 'return'
    return _mm_blendv_epi8(t0, s1, mask);
    ^
/var/tmp/portage/dev-lang/python-3.6.0/work/Python-3.6.0/Modules/_blake2/impl/blake2s-load-xop.h:30:1: error: expected identifier or '(' before '}' token
 }*/
 ^
/var/tmp/portage/dev-lang/python-3.6.0/work/Python-3.6.0/Modules/_blake2/impl/blake2s-load-xop.h:30:3: error: expected identifier or '(' before '/' token
 }*/
   ^
In file included from /var/tmp/portage/dev-lang/python-3.6.0/work/Python-3.6.0/Modules/_blake2/blake2s_impl.c:32:0:
/var/tmp/portage/dev-lang/python-3.6.0/work/Python-3.6.0/Modules/_blake2/impl/blake2s.c: In function 'blake2s_init0':
/var/tmp/portage/dev-lang/python-3.6.0/work/Python-3.6.0/Modules/_blake2/impl/blake2s.c:167:38: error: 'blake2s_IV' undeclared (first use in this function)
   for( i = 0; i < 8; ++i ) S->h[i] = blake2s_IV[i];
                                      ^
/var/tmp/portage/dev-lang/python-3.6.0/work/Python-3.6.0/Modules/_blake2/impl/blake2s.c:167:38: note: each undeclared identifier is reported only once for each function it appears in
/var/tmp/portage/dev-lang/python-3.6.0/work/Python-3.6.0/Modules/_blake2/impl/blake2s.c: In function 'PyBlake2_blake2s_init_param':
/var/tmp/portage/dev-lang/python-3.6.0/work/Python-3.6.0/Modules/_blake2/impl/blake2s.c:176:44: error: 'blake2s_IV' undeclared (first use in this function)
   const uint8_t * v = ( const uint8_t * )( blake2s_IV );
                                            ^

----------
components: Extension Modules
files: build.log
messages: 287356
nosy: floppymaster
priority: normal
severity: normal
status: open
title: blake2: compile error with -march=bdver2
versions: Python 3.6
Added file: http://bugs.python.org/file46598/build.log

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<http://bugs.python.org/issue29504>
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