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Re: [RFC] type promotion pass


On Fri, 2017-09-15 at 12:22 +0000, Wilco Dijkstra wrote:

Wilco or Prathamesh,

I could not apply this patch (cleanly) to ToT.  match.pd did not apply,
I think I fixed that.  The cfgexpand.c patch applied but will not
build.  I get this error:

../../../src/gcc/gcc/cfgexpand.c: In function ‘rtx_def*
expand_debug_expr(tree)’:
../../../src/gcc/gcc/cfgexpand.c:5130:18: error: cannot convert
‘opt_machine_mode {aka opt_mode<machine_mode>}’ to ‘machine_mode’ in
assignment
       inner_mode = mode_for_size (INTVAL (op1), MODE_INT, 0);


I can't quite figure out what change needs to be made to this line to
make it compile.  I do see that mode_for_size has been changed.
I tried using int_mode_for_size but that doesn't work and I tried
using '.require ()' but that didn't work either.

inner_mode = int_mode_for_size (INTVAL (op1), 0);  /* This did not work.  */
inner_mode = mode_for_size (INTVAL (op1), MODE_INT, 0).require (); /* This did not work */

Steve Ellcey
sellcey@cavium.com



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