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Re: Branch instructions that depend on target distance
- From: Andreas Schwab <schwab at suse dot de>
- To: Petr Tesarik <ptesarik at suse dot cz>
- Cc: gcc at gcc dot gnu dot org
- Date: Mon, 24 Feb 2020 12:29:40 +0100
- Subject: Re: Branch instructions that depend on target distance
- References: <20200224120528.0a88c6a8@ezekiel.suse.cz>
On Feb 24 2020, Petr Tesarik wrote:
> This works great ... until there's some inline asm() statement, for
> which gcc cannot keep track of the length attribute, so it is probably
> taken as zero.
GCC computes it by counting the number of asm insns. You can use
ADJUST_INSN_LENGTH to adjust this as needed.
Andreas.
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Andreas Schwab, SUSE Labs, schwab@suse.de
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