http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47744
--- Comment #24 from H.J. Lu <hjl.tools at gmail dot com> 2011-07-17 22:55:26
UTC ---
(In reply to comment #23)
> (In reply to comment #22)
>
> >
> > case SUBREG:
> > if (GET_CODE (SUBREG_REG (op)) != REG)
> > return 0;
>
> Yes.
It doesn't work. I got
/export/gnu/import/git/gcc-x32/libgfortran/generated/matmul_i16.c: In function
\u2018matmul_i16\u2019:
/export/gnu/import/git/gcc-x32/libgfortran/generated/matmul_i16.c:374:1: error:
insn does not satisfy its constraints:
(insn 3660 703 704 76 (set (reg:TI 0 ax)
(mem:TI (zero_extend:DI (plus:SI (reg:SI 2 cx [orig:818 ivtmp.117 ]
[818])
(reg:SI 5 di [orig:292 dest_y ] [292]))) [6 MEM[base:
dest_y_236, index: ivtmp.117_554, offset: 0B]+0 S16 A128]))
/export/gnu/import/git/gcc-x32/libgfortran/generated/matmul_i16.c:284 60
{*movti_internal_rex64}
(nil))
/export/gnu/import/git/gcc-x32/libgfortran/generated/matmul_i16.c:374:1:
internal compiler error: in reload_cse_simplify_operands, at postreload.c:403
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
make[6]: *** [matmul_i16.lo] Error 1
