MFC r292491,r292493,r292496:

r292491:

Disable test-ctrig.t testcases which fail assertions on i386 [*]

Also, don't compile the exp2l(3) testcases on platforms that don't support the
libcall (technically only x86 right now). This makes this test buildable on
arm*/mips*/powerpc*

Tested on: stable/10 (amd64/i386), head (amd64/i386)
PR: 205446 [*]
X-MFC to: stable/10
Sponsored by: EMC / Isilon Storage Division

r292493:

Don't run test-fma on i386

It completely fails all assertions on i386 on both stable/9 and stable/10

PR: 205448
X-MFC to: stable/10
Sponsored by: EMC / Isilon Storage Division

r292496:

Skip the testcases on i386 (all the assertions fail) [*]

Also, don't compile the ldexpl(3) testcases on platforms that don't support
the libcall (technically only x86 right now). This makes this test buildable on
arm*/mips*/powerpc*

PR: 205449 [*]
Tested on: stable/10 (amd64/i386), head (amd64/i386)
Sponsored by: EMC / Isilon Storage Division