Diff for /wikisrc/users/maya/vax-gcc.mdwn between versions 1.7 and 1.9

version 1.7, 2019/08/29 21:57:38 version 1.9, 2019/08/30 04:49:49
Line 1 Line 1
 # Various GCC/vax issues and invesigation #  # Various GCC/vax issues and invesigation #
   
   [WIP tree](gcc-mirror/)
   
 ## libgomp crash with -O2 ##  ## libgomp crash with -O2 ##
 Repro:  Repro:
   
Line 64  This errors out with: Line 66  This errors out with:
     during RTL pass: vregs      during RTL pass: vregs
     /home/fly/oacc/decl.ii:17:1: internal compiler error: in extract_insn, at recog.c:2310      /home/fly/oacc/decl.ii:17:1: internal compiler error: in extract_insn, at recog.c:2310
           
 Providing a trivial scheduling will avoid subregs of mem.  Providing a trivial scheduling will avoid subregs of mem.  
   However, this doesn't work for us. Our crash and mem subregs happen at a too early pass, most likely.
   
   ## DWARF ##
   
       flag_dwarf2_cfi_asm = 0;
   
   is kind of a big deal. We should probably get rid of it, but [binutils hates that.](https://github.com/NetBSD/src/commit/1df57dce3744cf4743358b098728a0658b80b8fb)
   
       ld: warning: dynamic relocation to `?' in readonly section `.eh_frame'
       ld: warning: dynamic relocation to `?' in readonly section `.eh_frame'
       ld: warning: creating a DT_TEXTREL in a shared object
       ld: .eh_frame_hdr refers to overlapping FDEs
       ld: final link failed: bad value
   
   ## review comments ##
   
   Jeff Law [provided some feedback](https://gcc.gnu.org/ml/gcc/2019-04/msg00281.html). More of it should be addressed.

Removed from v.1.7  
changed lines
  Added in v.1.9


CVSweb for NetBSD wikisrc <wikimaster@NetBSD.org> software: FreeBSD-CVSweb