On Mon, Jul 6, 2015 at 9:58 AM, Dominique d'Humières <domi...@lps.ens.fr> wrote:
> This breaks bootstrap on x86_64-apple-darwin14:
>
> ../../work/gcc/config/i386/i386-c.c: In function 'void
> ix86_target_macros_internal(long long int, processor_type, processor_type,
> fpmath_unit, void (*)(cpp_reader*, const
> char*))':../../work/gcc/config/i386/i386-c.c:59:10: error: enumeration value
> 'PROCESSOR_IAMCU' not handled in switch [-Werror=switch] switch (arch)
> ^../../work/gcc/config/i386/i386-c.c:188:10: error: enumeration value
> 'PROCESSOR_IAMCU' not handled in switch [-Werror=switch] switch (tune)
>
> TIA
>
> Dominique
Here is a patch. OK for trunk?
--
H.J.
From 61f75507ed4517aecf069c1964760a54078f9124 Mon Sep 17 00:00:00 2001
From: "H.J. Lu" <hjl.to...@gmail.com>
Date: Mon, 6 Jul 2015 10:01:03 -0700
Subject: [PATCH] Handle PROCESSOR_IAMCU in ix86_target_macros_internal
Define __i586__/__pentium__ for -march=iamcu and __tune_iamcu__ for
-mtune=iamcu.
* config/i386/i386-c.c (ix86_target_macros_internal): Handle
PROCESSOR_IAMCU.
---
gcc/config/i386/i386-c.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/gcc/config/i386/i386-c.c b/gcc/config/i386/i386-c.c
index 304ce55..d95772b 100644
--- a/gcc/config/i386/i386-c.c
+++ b/gcc/config/i386/i386-c.c
@@ -64,6 +64,8 @@ ix86_target_macros_internal (HOST_WIDE_INT isa_flag,
def_or_undef (parse_in, "__i486");
def_or_undef (parse_in, "__i486__");
break;
+ case PROCESSOR_IAMCU:
+ /* Intel MCU is based on Intel Pentium CPU. */
case PROCESSOR_PENTIUM:
def_or_undef (parse_in, "__i586");
def_or_undef (parse_in, "__i586__");
@@ -285,6 +287,9 @@ ix86_target_macros_internal (HOST_WIDE_INT isa_flag,
case PROCESSOR_KNL:
def_or_undef (parse_in, "__tune_knl__");
break;
+ case PROCESSOR_IAMCU:
+ def_or_undef (parse_in, "__tune_iamcu__");
+ break;
case PROCESSOR_INTEL:
case PROCESSOR_GENERIC:
break;
--
2.4.3
