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Fri, 23 Jul 2021 05:45:43 +0000 Resent-From: =?UTF-8?Q?Martin_Li=c5=a1ka?= Resent-To: GCC Patches , Segher Boessenkool Resent-Date: Fri, 23 Jul 2021 07:45:42 +0200 Resent-Message-ID: In-Reply-To: <20210712172048.GC1583@gate.crashing.org> References: <20210712172048.GC1583@gate.crashing.org> From: Martin Liska Subject: [PATCH] rs6000: Fix restored rs6000_long_double_type_size To: gcc-patches@gcc.gnu.org Cc: segher@kernel.crashing.org X-Spam-Status: No, score=-10.3 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, KAM_SHORT, MISSING_MID, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Date: Fri, 23 Jul 2021 05:45:45 -0000 X-Original-Date: Tue, 1 Jun 2021 15:39:14 +0200 X-List-Received-Date: Fri, 23 Jul 2021 05:45:45 -0000 Message-ID: <20210723054545._wdWoxHdtHl5AMOYLVakskwGHxcmEKgP8C3GZOfi2lw@z> As mentioned in the "Fallout: save/restore target options in handle_optimize_attribute" thread, we need to support target option restore of rs6000_long_double_type_size == FLOAT_PRECISION_TFmode. gcc/ChangeLog: * config/rs6000/rs6000.c (rs6000_option_override_internal): When a target option is restored, it can have rs6000_long_double_type_size set to FLOAT_PRECISION_TFmode and error should not be emitted. gcc/testsuite/ChangeLog: * gcc.target/powerpc/pragma-optimize.c: New test. --- gcc/config/rs6000/rs6000.c | 2 ++ gcc/testsuite/gcc.target/powerpc/pragma-optimize.c | 13 +++++++++++++ 2 files changed, 15 insertions(+) create mode 100644 gcc/testsuite/gcc.target/powerpc/pragma-optimize.c diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c index 279f00cc648..510936a9948 100644 --- a/gcc/config/rs6000/rs6000.c +++ b/gcc/config/rs6000/rs6000.c @@ -4186,6 +4186,8 @@ rs6000_option_override_internal (bool global_init_p) else rs6000_long_double_type_size = default_long_double_size; } + else if (rs6000_long_double_type_size == FLOAT_PRECISION_TFmode) + ; /* The option value can be seen when cl_target_option_restore is called. */ else if (rs6000_long_double_type_size == 128) rs6000_long_double_type_size = FLOAT_PRECISION_TFmode; else if (global_options_set.x_rs6000_ieeequad) diff --git a/gcc/testsuite/gcc.target/powerpc/pragma-optimize.c b/gcc/testsuite/gcc.target/powerpc/pragma-optimize.c new file mode 100644 index 00000000000..4a86b58f27c --- /dev/null +++ b/gcc/testsuite/gcc.target/powerpc/pragma-optimize.c @@ -0,0 +1,13 @@ +/* { dg-options "-O2 -mlong-double-128 -mabi=ibmlongdouble" } */ + +extern unsigned long int x; +extern float f (float); +extern __typeof (f) f_power8; +extern __typeof (f) f_power9; +extern __typeof (f) f __attribute__ ((ifunc ("f_ifunc"))); +static __attribute__ ((optimize ("-fno-stack-protector"))) __typeof (f) * +f_ifunc (void) +{ + __typeof (f) *res = x ? f_power9 : f_power8; + return res; +} -- 2.32.0