From 677b9150f54a0483d3de1182ac40717b7c4431a5 Mon Sep 17 00:00:00 2001 From: Alan Modra Date: Wed, 23 Sep 2020 20:15:39 +0930 Subject: [PATCH] [RS6000] Built-in __PCREL__ define Useful in assembly to know details of power10 function calls. * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Conditionally define __PCREL__. --- gcc/config/rs6000/rs6000-c.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/gcc/config/rs6000/rs6000-c.c b/gcc/config/rs6000/rs6000-c.c index f5982907e90..cc1e997524e 100644 --- a/gcc/config/rs6000/rs6000-c.c +++ b/gcc/config/rs6000/rs6000-c.c @@ -597,6 +597,9 @@ rs6000_target_modify_macros (bool define_p, HOST_WIDE_INT flags, /* Tell the user if we support the MMA instructions. */ if ((flags & OPTION_MASK_MMA) != 0) rs6000_define_or_undefine_macro (define_p, "__MMA__"); + /* Whether pc-relative code is being generated. */ + if ((flags & OPTION_MASK_PCREL) != 0) + rs6000_define_or_undefine_macro (define_p, "__PCREL__"); } void -- 2.30.2