-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 03/29/11 19:28, Vladimir Makarov wrote: > The following patch is to solve PR48336, PR48342, PR48345. The > profitable hard regs exclude hard regs which are prohibited for the > corresponding allocno mode. It is true for primary allocation and it is > important for better colorability criteria. Function assign_hard_reg is > also based on this assumption. Unfortunately, it is not true for > secondary allocation (after IRA IR flattening or during reload). The > following patch solves this problem. > > The patch should be very safe but I am still testing it on x86/x86-64 > bootstrap. > > Is it ok to commit the patch after successful bootsrapping? > > 2011-03-29 Vladimir Makarov <vmaka...@redhat.com> > > PR target/48336 > PR middle-end/4834 > PR rtl-optimization/48345 > * ira-color.c (setup_conflict_profitable_regs): Exclude prohibited > hard regs for given mode from profitable regs when doing secondary > allocation. This is OK. Note the PR# in the ChangeLog (4834) should be (48342).
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