udiv_qr_4by2

Torbjörn Granlund tg at gmplib.org
Sun Sep 15 22:30:21 UTC 2019


"Marco Bodrato" <bodrato at mail.dm.unipi.it> writes:

  Before:
  zen-pc-linux-gnu	32 	matigentoo64.gmplib.org-stat 	23
  zen-pc-linux-gnu	64 	matigentoo64.gmplib.org-stat 	39
  zen-pc-linux-gnu	64 	pirigentoo64.gmplib.org-stat 	∞
  zen-pc-linux-gnu	64 	surigentoo64.gmplib.org-stat 	∞
  zen-pc-linux-gnu	32 	pirigentoo64.gmplib.org-stat 	∞
  zen-pc-linux-gnu	32 	surigentoo64.gmplib.org-stat 	∞

  After:
  zen-pc-linux-gnu	32 	matigentoo64.gmplib.org-stat 	7
  zen-pc-linux-gnu	64 	matigentoo64.gmplib.org-stat 	15
  zen-pc-linux-gnu	64 	pirigentoo64.gmplib.org-stat 	24
  zen-pc-linux-gnu	64 	surigentoo64.gmplib.org-stat 	25
  zen-pc-linux-gnu	32 	pirigentoo64.gmplib.org-stat 	∞
  zen-pc-linux-gnu	32 	surigentoo64.gmplib.org-stat 	∞

  As we can see, on mati, the thresholds was more than halved, on piri and
  suri, with the 64-bits ABI, the new code can be used...

Nice progress!

  Maybe it's worth distinguishing them somehow with our config.guess?

Yes, we should do that.

-- 
Torbjörn
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