[Bug rtl-optimization/20972] [4.0/4.1 Regression] Can't describe an early-clobber by an auto-inc

2005-10-13 Thread bonzini at gcc dot gnu dot org
--- Comment #5 from bonzini at gcc dot gnu dot org 2005-10-13 16:01 --- Maybe you could add a reload_completed split to not use autoincrements if Rd == Rn? -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20972

[Bug rtl-optimization/20972] [4.0/4.1 Regression] Can't describe an early-clobber by an auto-inc

2005-09-27 Thread mmitchel at gcc dot gnu dot org
-- What|Removed |Added Target Milestone|4.0.2 |4.0.3 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20972

[Bug rtl-optimization/20972] [4.0/4.1 Regression] Can't describe an early-clobber by an auto-inc

2005-07-06 Thread mmitchel at gcc dot gnu dot org
--- Additional Comments From mmitchel at gcc dot gnu dot org 2005-07-06 16:53 --- Postponed until 4.0.2. -- What|Removed |Added Target Milestone|4.0.1

[Bug rtl-optimization/20972] [4.0/4.1 Regression] Can't describe an early-clobber by an auto-inc

2005-05-12 Thread rearnsha at gcc dot gnu dot org
--- Additional Comments From rearnsha at gcc dot gnu dot org 2005-05-12 11:36 --- The ARM ARM says that STR Rd, [Rn], #4 and STR Rd, [Rn, #4]! are unpredictable if Rd == Rn. That is, the auto-inc side effect is permitted to take place before Rd is read. There's currently no