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Re: mainline bootstrap broken on i686-pc-linux-gnu
- From: Joern RENNECKE <joern dot rennecke at st dot com>
- To: gcc at gcc dot gnu dot org, Martin Reinecke <martin at MPA-Garching dot MPG dot DE>, Jakub Jelinek <jakub at redhat dot com>
- Date: Tue, 13 Dec 2005 19:45:39 +0000
- Subject: Re: mainline bootstrap broken on i686-pc-linux-gnu
I see this here too. Apparently this was caused by the i386.h PUSH_ROUNDING
change of this patch:
2005-12-13 Jakub Jelinek <jakub@redhat.com>
PR debug/25023
PR target/25293
* expr.c (emit_move_resolve_push): Handle PRE_MODIFY
and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
* config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of
pushw.
Set mode to SI, adjust constraints.
(pushhi2_rex64, pushqi2_rex64): Set mode to DI.
* config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
32-bit code.
The push_operand predicate does not allow pushes with a mode that does not
agree with PUSH_ROUNDING.