lang/gcc10: add support for powerpc64le

PR:		251670
Approved by:	gerald@ (maintainer)

2 files changed, 78 insertions, 1 deletions

diff --git a/lang/gcc10/Makefile b/lang/gcc10/Makefile
index bd3d6889234f..aed41398f0a0 100644
--- a/lang/gcc10/Makefile
+++ b/lang/gcc10/Makefile
@@ -13,7 +13,7 @@ COMMENT=	GNU Compiler Collection 10
 LICENSE=	GPLv3 GPLv3RLE
 LICENSE_COMB=	multi
 
-ONLY_FOR_ARCHS=	aarch64 amd64 arm armv6 armv7 i386 powerpc powerpc64
+ONLY_FOR_ARCHS=	aarch64 amd64 arm armv6 armv7 i386 powerpc powerpc64 powerpc64le
 
 LIB_DEPENDS=	libgmp.so:math/gmp \
 		libmpfr.so:math/mpfr \
diff --git a/lang/gcc10/files/patch-powerpc64le b/lang/gcc10/files/patch-powerpc64le
new file mode 100644
index 000000000000..6973c9396e09
--- /dev/null
+++ b/lang/gcc10/files/patch-powerpc64le
@@ -0,0 +1,77 @@
+--- gcc/config.gcc.orig	2020-07-23 06:35:17 UTC
++++ gcc/config.gcc
+@@ -2868,6 +2868,10 @@ powerpc*-*-freebsd*)
+ 	extra_options="${extra_options} rs6000/sysv4.opt"
+ 	tmake_file="rs6000/t-fprules rs6000/t-ppcos ${tmake_file} rs6000/t-ppccomm"
+ 	case ${target} in
++	    powerpc*le-*-*)
++		tm_file="${tm_file} rs6000/sysv4le.h" ;;
++	esac
++	case ${target} in
+ 	     powerpc64*)
+ 	    	tm_file="${tm_file} rs6000/default64.h rs6000/freebsd64.h"
+ 		tmake_file="${tmake_file} rs6000/t-freebsd64"
+--- gcc/config/rs6000/freebsd64.h.orig	2020-07-23 06:35:17 UTC
++++ gcc/config/rs6000/freebsd64.h
+@@ -51,11 +51,10 @@ extern int dot_symbols;
+ #define SET_CMODEL(opt) do {} while (0)
+ #endif
+ 
+-/* Until now the 970 is the only Processor where FreeBSD 64-bit runs on.  */
+ #undef  PROCESSOR_DEFAULT
+-#define PROCESSOR_DEFAULT PROCESSOR_POWER4
++#define PROCESSOR_DEFAULT PROCESSOR_PPC7450
+ #undef  PROCESSOR_DEFAULT64
+-#define PROCESSOR_DEFAULT64 PROCESSOR_POWER4
++#define PROCESSOR_DEFAULT64 PROCESSOR_POWER8
+ 
+ /* We don't need to generate entries in .fixup, except when
+    -mrelocatable or -mrelocatable-lib is given.  */
+@@ -158,8 +157,8 @@ extern int dot_symbols;
+ #define ASM_SPEC64 "-a64"
+ 
+ #define ASM_SPEC_COMMON "%(asm_cpu) \
+-%{,assembler|,assembler-with-cpp: %{mregnames} %{mno-regnames}} \
+-%{mlittle} %{mlittle-endian} %{mbig} %{mbig-endian}"
++%{,assembler|,assembler-with-cpp: %{mregnames} %{mno-regnames}}" \
++  ENDIAN_SELECT(" -mbig", " -mlittle", DEFAULT_ASM_ENDIAN)
+ 
+ #undef	SUBSUBTARGET_EXTRA_SPECS
+ #define SUBSUBTARGET_EXTRA_SPECS					\
+@@ -181,9 +180,15 @@ extern int dot_symbols;
+     %{static:-Bstatic}} \
+   %{symbolic:-Bsymbolic}"
+ 
++#undef  DEFAULT_ASM_ENDIAN
+ #define LINK_OS_FREEBSD_SPEC32 "-melf32ppc_fbsd " LINK_OS_FREEBSD_SPEC_DEF
+-  
++#if (TARGET_DEFAULT & MASK_LITTLE_ENDIAN)
++#define DEFAULT_ASM_ENDIAN " -mlittle"
++#define LINK_OS_FREEBSD_SPEC64 "-melf64lppc_fbsd " LINK_OS_FREEBSD_SPEC_DEF
++#else
++#define DEFAULT_ASM_ENDIAN " -mbig"
+ #define LINK_OS_FREEBSD_SPEC64 "-melf64ppc_fbsd " LINK_OS_FREEBSD_SPEC_DEF
++#endif
+ 
+ #undef	MULTILIB_DEFAULTS
+ #define MULTILIB_DEFAULTS { "m64" }
+--- gcc/configure.orig	2020-07-23 06:35:17 UTC
++++ gcc/configure
+@@ -29398,13 +29398,16 @@ $as_echo "#define HAVE_LD_PPC_GNU_ATTR_LONG_DOUBLE 1" 
+ esac
+ 
+ case "$target:$tm_file" in
+-  powerpc64-*-freebsd* | powerpc64*-*-linux* | powerpc*-*-linux*rs6000/biarch64.h*)
++  powerpc64*-*-freebsd* | powerpc64*-*-linux* | powerpc*-*-linux*rs6000/biarch64.h*)
+   case "$target" in
+      *le-*-linux*)
+      emul_name="-melf64lppc"
+       ;;
+      *-*-linux*)
+      emul_name="-melf64ppc"
++      ;;
++     *le-*-freebsd*)
++     emul_name="-melf64lppc_fbsd"
+       ;;
+      *-*-freebsd*)
+      emul_name="-melf64ppc_fbsd"