Re: [PATCH 0/7] s390 improvements with r[ioxn]sbg

2012-10-09 Thread Andreas Krebbel
On 10/08/12 04:31, Richard Henderson wrote: > Only "tested" visually, by examining assembly diffs of the > runtime libraries between successive patches. All told it > would appear to be some remarkable code size improvements. > > Please test. Thanks a lot for looking into this! I'll test the pat

Re: [PATCH 0/7] s390 improvements with r[ioxn]sbg

2012-08-13 Thread Richard Henderson
On 08/13/2012 10:07 AM, Ulrich Weigand wrote: >> +/* Check whether a rotate of ROTL followed by an AND of CONTIG is equivalent >> + to a shift followed by the AND. In particular, CONTIG should not overlap >> + the (rotated) bit 0/bit 63 gap. */ >> + >> +bool >> +s390_extzv_shift_ok (int bitsi

Re: [PATCH 0/7] s390 improvements with r[ioxn]sbg

2012-08-13 Thread Ulrich Weigand
Richard Henderson wrote: > Only "tested" visually, by examining assembly diffs of the > runtime libraries between successive patches. All told it > would appear to be some remarkable code size improvements. Thanks for having a look at this! > Please test. Unfortunately GCC crashes during bootst

[PATCH 0/7] s390 improvements with r[ioxn]sbg

2012-08-09 Thread Richard Henderson
Only "tested" visually, by examining assembly diffs of the runtime libraries between successive patches. All told it would appear to be some remarkable code size improvements. Please test. r~ Richard Henderson (7): s390: Constraints, predicates, and op letters for contiguous bitmasks s390