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[Bug target/19329] [3.4 Regression] Miscompilation with bitfields
- From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 8 Jan 2005 18:52:50 -0000
- Subject: [Bug target/19329] [3.4 Regression] Miscompilation with bitfields
- References: <20050108174640.19329.giovannibajo@libero.it>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From pinskia at gcc dot gnu dot org 2005-01-08 18:52 -------
clr r25 ; 46 ashlqi3/4 [length = 1]
(insn 46 65 49 (set (reg:QI 25 r25 [66])
(ashift:QI (reg:QI 25 r25 [66])
(const_int 0 [0x0]))) 57 {ashlqi3} (nil)
(nil))
So there are two problems here, one a target problem in that it should not be generating a clr for this
insn. Two this insn should not be here but that just a misoptimization.
--
What |Removed |Added
----------------------------------------------------------------------------
Severity|critical |normal
Status|UNCONFIRMED |NEW
Ever Confirmed| |1
Priority|P2 |P3
Last reconfirmed|0000-00-00 00:00:00 |2005-01-08 18:52:50
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19329