[Bug middle-end/19988] [4.2/4.3/4.4 Regression] pessimizes fp multiply-add/subtract combo

2009-02-03 Thread bonzini at gnu dot org
--- Comment #14 from bonzini at gnu dot org 2009-02-03 09:49 --- What about canonicalizing to a *positive* number? -- bonzini at gnu dot org changed: What|Removed |Added

[Bug middle-end/19988] [4.2/4.3/4.4 Regression] pessimizes fp multiply-add/subtract combo

2009-02-03 Thread jakub at gcc dot gnu dot org
--- Comment #15 from jakub at gcc dot gnu dot org 2009-02-03 09:56 --- I really think either GCSE should be trying to decrease the number of floating point constants used by a function by getting rid of constants for which negated constants is also used and it can be negated at no cost

[Bug middle-end/19988] [4.2/4.3/4.4 Regression] pessimizes fp multiply-add/subtract combo

2008-10-10 Thread rguenth at gcc dot gnu dot org
-- rguenth at gcc dot gnu dot org changed: What|Removed |Added CC||rguenth at gcc dot gnu dot |

[Bug middle-end/19988] [4.2/4.3/4.4 Regression] pessimizes fp multiply-add/subtract combo

2008-10-09 Thread pinskia at gcc dot gnu dot org
--- Comment #13 from pinskia at gcc dot gnu dot org 2008-10-09 19:03 --- *** Bug 37783 has been marked as a duplicate of this bug. *** -- pinskia at gcc dot gnu dot org changed: What|Removed |Added

[Bug middle-end/19988] [4.2/4.3/4.4 Regression] pessimizes fp multiply-add/subtract combo

2008-09-29 Thread dje at gcc dot gnu dot org
-- dje at gcc dot gnu dot org changed: What|Removed |Added CC||bergner at gcc dot gnu dot |

[Bug middle-end/19988] [4.2/4.3/4.4 Regression] pessimizes fp multiply-add/subtract combo

2008-07-04 Thread jsm28 at gcc dot gnu dot org
--- Comment #12 from jsm28 at gcc dot gnu dot org 2008-07-04 16:49 --- Closing 4.1 branch. -- jsm28 at gcc dot gnu dot org changed: What|Removed |Added