[Gc] [PATCH] gcconfig.h: Add machine description for TILE-Gx and TILEPro

[Chris Metcalf]

---
For bdwgc:

This patch is an updated version of the CentOS 6 patch that we have
been carrying as part of our own CentOS-like distribution since 2012.

include/private/gcconfig.h | 48 ++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 48 insertions(+), 0 deletions(-)

diff --git a/include/private/gcconfig.h b/include/private/gcconfig.h
index 760f896..beac61c 100644
--- a/include/private/gcconfig.h
+++ b/include/private/gcconfig.h
@@ -574,6 +574,14 @@
# define HEXAGON
# define mach_type_known
# endif
+# if defined(__tile__) && defined(LINUX)
+# ifdef __tilegx__
+# define TILEGX
+# else
+# define TILEPRO
+# endif
+# define mach_type_known
+# endif

# if defined(SYMBIAN)
# define mach_type_known
@@ -635,6 +643,8 @@
/* CRIS ==> Axis Etrax */
/* M32R ==> Renesas M32R */
/* HEXAGON ==> Qualcomm Hexagon */
+ /* TILEPRO ==> Tilera TILEPro */
+ /* TILEGX ==> Tilera TILE-Gx */


/*
@@ -2572,6 +2582,44 @@
# endif
# endif

+# ifdef TILEPRO
+# define CPP_WORDSZ 32
+# define MACH_TYPE "TILEPro"
+# define ALIGNMENT 4
+# define ALIGN_DOUBLE
+# define PREFETCH(x) __insn_prefetch(x)
+# define CACHE_LINE_SIZE 64
+# define USE_GENERIC_PUSH_REGS
+# ifdef LINUX
+# define OS_TYPE "LINUX"
+ extern int __data_start[];
+# define DATASTART (ptr_t)(__data_start)
+# define LINUX_STACKBOTTOM
+# define DYNAMIC_LOADING
+# endif
+# endif
+
+# ifdef TILEGX
+# define CPP_WORDSZ (__SIZEOF_POINTER__ * 8)
+# define MACH_TYPE "TILE-Gx"
+# define ALIGNMENT __SIZEOF_POINTER__
+# if CPP_WORDSZ < 64
+# define ALIGN_DOUBLE /* Guarantee 64-bit alignment for allocations. */
+ /* Take advantage of 64-bit stores. */
+# define CLEAR_DOUBLE(x) ((*(long long *)(x)) = 0)
+# endif
+# define PREFETCH(x) __insn_prefetch_l1(x)
+# define CACHE_LINE_SIZE 64
+# define USE_GENERIC_PUSH_REGS
+# ifdef LINUX
+# define OS_TYPE "LINUX"
+ extern int __data_start[];
+# define DATASTART (ptr_t)(__data_start)
+# define LINUX_STACKBOTTOM
+# define DYNAMIC_LOADING
+# endif
+# endif
+
#if defined(__GLIBC__) && !defined(DONT_USE_LIBC_PRIVATES)
/* Use glibc's stack-end marker. */
# define USE_LIBC_PRIVATES