[Bug target/20020] x86_64 - 128 bit structs not targeted to TImode

[gary at intrepid dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20020

--- Comment #25 from Gary Funck <gary at intrepid dot com> 2012-08-12 22:08:50 UTC ---
(In reply to comment #20)
> X86 doesn't support __int128 and requires SSE for TImode.
> We may need to limit those testcases for int128 target.

If targeting struct's to TImode is supported on x86 targets then perhaps this
definition will need to be refer to 128 bit target support?

#define MAX_FIXED_MODE_SIZE GET_MODE_BITSIZE (TARGET_64BIT ? TImode : DImode)

Off-hand, I don't know the target macro that does this.

something like this?

#define MAX_FIXED_MODE_SIZE targetm.scalar_mode_supported_p (TImode) ? TImode :
DImoe