From: Sebastian Huber <sebastian.huber@embedded-brains.de>
To: gcc-patches@gcc.gnu.org
Cc: Segher Boessenkool <segher@kernel.crashing.org>
Subject: [PATCH] powerc: Fix asm machine directive for some CPUs
Date: Tue, 18 Jan 2022 12:51:39 +0100 [thread overview]
Message-ID: <20220118115139.48203-1-sebastian.huber@embedded-brains.de> (raw)
For some CPUs, the assembler machine directive cannot be determined by ISA
flags.
gcc/
PR 104090/target
* config/rs6000/rs6000.cc (rs6000_machine_from_flags): Use also
rtems_cpu.
---
gcc/config/rs6000/rs6000.cc | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
diff --git a/gcc/config/rs6000/rs6000.cc b/gcc/config/rs6000/rs6000.cc
index 7a4ef5e6c0a8..d37775ece84d 100644
--- a/gcc/config/rs6000/rs6000.cc
+++ b/gcc/config/rs6000/rs6000.cc
@@ -5935,6 +5935,34 @@ const char *rs6000_machine;
const char *
rs6000_machine_from_flags (void)
{
+ /* For some CPUs, the machine cannot be determined by ISA flags. We have to
+ check them first. */
+ switch (rs6000_cpu)
+ {
+ case PROCESSOR_PPC8540:
+ case PROCESSOR_PPC8548:
+ return "e500";
+
+ case PROCESSOR_PPCE300C2:
+ case PROCESSOR_PPCE300C3:
+ return "e300";
+
+ case PROCESSOR_PPCE500MC:
+ return "e500mc";
+
+ case PROCESSOR_PPCE500MC64:
+ return "e500mc64";
+
+ case PROCESSOR_PPCE5500:
+ return "e5500";
+
+ case PROCESSOR_PPCE6500:
+ return "e6500";
+
+ default:
+ break;
+ }
+
HOST_WIDE_INT flags = rs6000_isa_flags;
/* Disable the flags that should never influence the .machine selection. */
--
2.26.2
next reply other threads:[~2022-01-18 11:51 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-18 11:51 Sebastian Huber [this message]
2022-01-18 21:42 ` Segher Boessenkool
2022-01-19 6:54 ` Sebastian Huber
2022-01-19 11:27 ` [committed] rs6000: Fix bootstrap Jakub Jelinek
2022-01-19 15:51 ` Segher Boessenkool
2022-02-02 17:07 ` [PATCH] powerc: Fix asm machine directive for some CPUs Sebastian Huber
2022-02-02 18:01 ` Segher Boessenkool
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