[PATCH, c]: Fix PR32191, sefgault for complex multc3 (and divtc3) for -std=c99

[Joseph S. Myers]

On Mon, 4 Jun 2007, Uros Bizjak wrote:

> We will use __builtin_copysignl() on TFmode value. However, IIUC these

So create __builtin_copysign128 or similar that operates on TFmode values.

-- 
Joseph S. Myers
joseph@codesourcery.com