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From: Andreas Schwab <schwab@suse.de>
To: Torsten Duwe <duwe@suse.de>
Cc: "Richard Earnshaw \(lists\)" <Richard.Earnshaw@arm.com>,  Sandra Loosemore <sandra@codesourcery.com>, 	Maxim Kuvyrkov <maxim.kuvyrkov@gmail.com>, 	Marek Polacek <polacek@redhat.com>, 	Maxim Kuvyrkov <maxim.kuvyrkov@linaro.org>, 	GCC Patches <gcc-patches@gcc.gnu.org>, 	Szabolcs Nagy <szabolcs.nagy@arm.com>,  nd@arm.com, 	Li Bin <huawei.libin@huawei.com>,  Jiri Kosina <jkosina@suse.cz>, 	Marcus Shawcroft <Marcus.Shawcroft@arm.com>, 	Takahiro Akashi <takahiro.akashi@linaro.org>, 	Andrew Wafaa <Andrew.Wafaa@arm.com>
Subject: Re: [PATCH v12] add -fpatchable-function-entry=N,M option
References: <20170706140311.GA20710@suse.de>	<d3e6d7a1-1f1c-c0b5-133a-0ab29eb5034d@arm.com>	<20170707193028.GA17752@suse.de>
X-Yow: I would like to urinate in an OVULAR, porcelain pool --
Date: Wed, 26 Jul 2017 14:16:00 -0000
In-Reply-To: <20170707193028.GA17752@suse.de> (Torsten Duwe's message of "Fri,	7 Jul 2017 21:30:28 +0200")
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On Jul 07 2017, Torsten Duwe <duwe@suse.de> wrote:

> diff --git a/gcc/testsuite/c-c++-common/patchable_function_entry-decl.c b/gcc/testsuite/c-c++-common/patchable_function_entry-decl.c
> new file mode 100644
> index 00000000000..8514b10e820
> --- /dev/null
> +++ b/gcc/testsuite/c-c++-common/patchable_function_entry-decl.c
> @@ -0,0 +1,16 @@
> +/* { dg-do compile } */
> +/* { dg-options "-O2 -fpatchable-function-entry=3,1" } */
> +/* { dg-final { scan-assembler-times "nop" 2 } } */

This fails on ia64.

> diff --git a/gcc/testsuite/c-c++-common/patchable_function_entry-default.c b/gcc/testsuite/c-c++-common/patchable_function_entry-default.c
> new file mode 100644
> index 00000000000..0dcf1181dde
> --- /dev/null
> +++ b/gcc/testsuite/c-c++-common/patchable_function_entry-default.c
> @@ -0,0 +1,16 @@
> +/* { dg-do compile } */
> +/* { dg-options "-O2 -fpatchable-function-entry=3,1" } */
> +/* { dg-final { scan-assembler-times "nop" 3 } } */

Likewise.

> diff --git a/gcc/testsuite/c-c++-common/patchable_function_entry-definition.c b/gcc/testsuite/c-c++-common/patchable_function_entry-definition.c
> new file mode 100644
> index 00000000000..a007867dcb0
> --- /dev/null
> +++ b/gcc/testsuite/c-c++-common/patchable_function_entry-definition.c
> @@ -0,0 +1,16 @@
> +/* { dg-do compile } */
> +/* { dg-options "-O2 -fpatchable-function-entry=3,1" } */
> +/* { dg-final { scan-assembler-times "nop" 1 } } */

Likewise.

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
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"And now for something completely different."