[PATCH] Add -mlong-double-64 flag

Taiju Tsuiki tzik at google.com
Mon Nov 17 03:28:31 PST 2014

>>! In D6260#8, @rnk wrote:
> This needs an IRGen test. We should produce the LLVM 'double' type instead of the x86_fp80 type.

OK, I added a test to the CL.

I think another things to consider is LongDoubleAlign.
LongDoubleAlign is 32 on x86_32 and 64 on x86_64, should I adjust it in TargetInfo::adjust too for each supported arch?


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