From: Sandra Loosemore <sandra@codesourcery.com>
To: Daniel Santos <daniel.santos@pobox.com>,
gcc-patches <gcc-patches@gcc.gnu.org>,
Uros Bizjak <ubizjak@gmail.com>, Jan Hubicka <hubicka@ucw.cz>,
Gerald Pfeifer <gerald@pfeifer.com>,
Joseph Myers <joseph@codesourcery.com>
Subject: Re: [PATCH 05/12] [i386] Add option -mcall-ms2sysv-xlogues
Date: Fri, 28 Apr 2017 06:00:00 -0000 [thread overview]
Message-ID: <5902768F.2010704@codesourcery.com> (raw)
In-Reply-To: <20170427080932.11703-5-daniel.santos@pobox.com>
On 04/27/2017 02:09 AM, Daniel Santos wrote:
> @@ -25308,6 +25308,17 @@ You can control this behavior for specific functions by
> using the function attributes @code{ms_abi} and @code{sysv_abi}.
> @xref{Function Attributes}.
>
> +@item -mcall-ms2sysv-xlogues
> +@opindex mcall-ms2sysv-xlogues
> +@opindex mno-call-ms2sysv-xlogues
> +Due to differences in 64-bit ABIs, any Microsoft ABI function that calls a
> +System V ABI function must consider RSI, RDI and XMM6-15 as clobbered. By
> +default, the code for saving and restoring these registers is emitted inline,
> +resulting in fairly lengthy prologues and epilogues. Using
> +@option{-mcall-ms2sysv-xlogues} emits prologues and epilogues that
> +use stubs in the static portion of libgcc to perform these saves & restores,
s/&/and/
The documentation part is OK with that change.
-Sandra
next prev parent reply other threads:[~2017-04-27 22:54 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-27 8:05 [PATCH v4 0/12] [i386] Improve 64-bit Microsoft to System V ABI pro/epilogues Daniel Santos
2017-04-27 8:05 ` [PATCH 01/12] [i386] Re-align stack frame prior to SSE saves Daniel Santos
2017-04-27 8:05 ` [PATCH 08/12] [i386] Modify ix86_compute_frame_layout for -mcall-ms2sysv-xlogues Daniel Santos
2017-04-27 8:05 ` [PATCH 10/12] [i386] Add ms2sysv pro/epilogue stubs to libgcc Daniel Santos
2017-04-27 8:05 ` [PATCH 05/12] [i386] Add option -mcall-ms2sysv-xlogues Daniel Santos
2017-04-28 6:00 ` Sandra Loosemore [this message]
2017-04-28 7:37 ` [PATCH 05/12 rev 1] " Daniel Santos
2017-04-27 8:05 ` [PATCH 03/12] [i386] Use re-aligned stack pointer for aligned SSE movs Daniel Santos
2017-04-27 8:05 ` [PATCH 11/12] [i386] Add remainder of -mcall-ms2sysv-xlogues implementation Daniel Santos
2017-05-04 22:11 ` [PATCH 11/12 rev1] " Daniel Santos
2017-04-27 8:05 ` [PATCH 09/12] [i386] Add patterns and predicates foutline-msabi-xlouges Daniel Santos
2017-05-01 11:18 ` Uros Bizjak
2017-05-02 22:19 ` Daniel Santos
2017-05-03 6:17 ` Uros Bizjak
2017-05-03 7:38 ` Daniel Santos
2017-05-03 8:38 ` Uros Bizjak
2017-05-04 21:35 ` [PATCH 09/12 rev1] [i386] Add patterns and predicates mcall-ms2sysv-xlogues Daniel Santos
2017-04-27 8:05 ` [PATCH 12/12] [i386,testsuite] Test program for ms to sysv abi function calls Daniel Santos
2017-05-17 9:52 ` Thomas Preudhomme
2017-04-27 8:05 ` [PATCH 02/12] [i386] Keep stack pointer valid after after re-alignment Daniel Santos
2017-04-27 8:23 ` [PATCH 04/12] [i386] Minor refactoring Daniel Santos
2017-04-27 8:44 ` [PATCH 07/12] [i386] Modify ix86_save_reg to optionally omit stub-managed registers Daniel Santos
2017-04-27 8:51 ` [PATCH 06/12] [i386] Add class xlogue_layout and new fields to struct machine_function Daniel Santos
2017-04-27 18:32 ` [PATCH v4 0/12 GCC8] [i386] Improve 64-bit Microsoft to System V ABI pro/epilogues Daniel Santos
2017-05-01 11:31 ` [PATCH v4 0/12] " Uros Bizjak
2017-05-02 10:25 ` JonY
2017-05-02 10:45 ` Kai Tietz
2017-05-03 6:01 ` Daniel Santos
2017-05-05 9:05 ` Daniel Santos
2017-05-06 20:41 ` Daniel Santos
2017-05-08 20:07 ` Daniel Santos
2017-05-03 4:32 ` Daniel Santos
2017-05-13 0:01 ` [PING] " Daniel Santos
2017-05-13 18:29 ` Uros Bizjak
2017-05-13 23:43 ` Daniel Santos
2017-05-14 10:25 ` Uros Bizjak
2017-07-26 19:03 ` H.J. Lu
2017-07-27 0:36 ` Daniel Santos
2017-07-28 13:51 ` Daniel Santos
2017-07-28 14:41 ` H.J. Lu
2017-07-31 10:25 ` Daniel Santos
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