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Re: [patch] MIPS/gcc: Revert removal of DImode shifts for 32-bit targets

To: Richard Sandiford <rsandifo@redhat.com>
Subject: Re: [patch] MIPS/gcc: Revert removal of DImode shifts for 32-bit targets
From: Richard Henderson <rth@redhat.com>
Date: Mon, 9 Aug 2004 15:08:38 -0700
Cc: "Maciej W. Rozycki" <macro@linux-mips.org>, Nigel Stephens <nigel@mips.com>, gcc-patches@gcc.gnu.org, linux-mips@linux-mips.org
In-reply-to: <87r7qiwz54.fsf@redhat.com>
Mail-followup-to: Richard Henderson <rth@redhat.com>, Richard Sandiford <rsandifo@redhat.com>, "Maciej W. Rozycki" <macro@linux-mips.org>, Nigel Stephens <nigel@mips.com>, gcc-patches@gcc.gnu.org, linux-mips@linux-mips.org
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <20040723202703.GB30931@redhat.com> <20040723211232.GB5138@linux-mips.org> <Pine.LNX.4.58L.0407261325470.3873@blysk.ds.pg.gda.pl> <410E9E25.7080104@mips.com> <87acxcbxfl.fsf@redhat.com> <410F5964.3010109@mips.com> <876580bm2e.fsf@redhat.com> <410F60DF.9020400@mips.com> <Pine.LNX.4.58L.0408042123030.31930@blysk.ds.pg.gda.pl> <87r7qiwz54.fsf@redhat.com>
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On Sat, Aug 07, 2004 at 08:01:43PM +0100, Richard Sandiford wrote:
> +   do_compare_rtx_and_jump (cmp1, cmp2, cmp_code, true, op1_mode,
> +                        0, 0, subword_label);
> + 
> +   if (!expand_superword_shift (op1_mode, binoptab,
> +                            outof_input, op1,
> +                            outof_target, into_target,
> +                            unsignedp, methods))
> +     return false;

Return without cleaning up the branch emitted?  In particular,
doing so without emitting the labels will result in ICEs.



r~

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