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Re: S/390: Get rid of assembler warning value truncated.
- From: Andreas Schwab <schwab at suse dot de>
- To: Stefan Liebler <stli at linux dot vnet dot ibm dot com>
- Cc: libc-alpha at sourceware dot org
- Date: Thu, 20 Nov 2014 17:43:01 +0100
- Subject: Re: S/390: Get rid of assembler warning value truncated.
- Authentication-results: sourceware.org; auth=none
- References: <m4l4v0$d87$1 at ger dot gmane dot org>
Stefan Liebler <stli@linux.vnet.ibm.com> writes:
> diff --git a/sysdeps/s390/s390-32/dl-machine.h b/sysdeps/s390/s390-32/dl-machine.h
> index 527233b..74939b8 100644
> --- a/sysdeps/s390/s390-32/dl-machine.h
> +++ b/sysdeps/s390/s390-32/dl-machine.h
> @@ -72,7 +72,7 @@ elf_machine_load_address (void)
>
> asm( " bras 1,2f\n"
> "1: .long _GLOBAL_OFFSET_TABLE_ - 1b\n"
> - " .long _dl_start - 1b - 0x80000000\n"
> + " .long (_dl_start - 1b) & 0x7fffffff\n"
This is only equivalent if _dl_start - 1b is always negative.
Andreas.
--
Andreas Schwab, SUSE Labs, schwab@suse.de
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