Comment 1 for bug 710623

Revision history for this message
In , Richard Sandiford (rsandifo) wrote :

The ref_vldX.c test from:

http://gitorious.org/arm-neon-tests/arm-neon-tests

fails when compiled with -O0 -marm:

(insn 1817 1816 1818 2 /home/export/usr/gcc-linaro/H-x86_64-unknown-linux-gnu/bin/../lib/gcc/arm-linux-gnueabi/4.5.2/include/arm_neon.h:921
5 (parallel [
            (set (reg:CI 303 [ D.14795 ])
                (unspec:CI [
                        (mem:CI (reg:SI 3 r3 [1023]) [0 S48 A64])
                        (reg:CI 303 [ D.14795 ])
                        (unspec:V8HI [
                                (const_int 0 [0x0])
                            ] 191)
                    ] 106))
            (set (reg:SI 3 r3 [1023])
                (plus:SI (reg:SI 3 r3 [1023])
                    (const_int 24 [0x18])))
        ]) 1614 {neon_vld3qav8hi} (nil))
ref_vldX.c:157: confused by earlier errors, bailing out

This is due to a bug in the ARM secondary_reload code.