gcc: initial gcc 4.9.1 port

1 files changed, 92 insertions, 0 deletions

diff --git a/patches/gcc b/patches/gcc
new file mode 100644
index 0000000..e34c67f
--- /dev/null
+++ b/patches/gcc
@@ -0,0 +1,92 @@
+--- original-gcc/config.sub
++++ gcc/config.sub
+@@ -334,6 +334,9 @@ case $basic_machine in
+ 	ms1)
+ 		basic_machine=mt-unknown
+ 		;;
++	riscv)
++		basic_machine=riscv-ucb
++		;;
+ 
+ 	strongarm | thumb | xscale)
+ 		basic_machine=arm-unknown
+--- original-gcc/gcc/config.gcc
++++ gcc/gcc/config.gcc
+@@ -1944,6 +1944,18 @@ microblaze*-*-elf)
+ 	cxx_target_objs="${cxx_target_objs} microblaze-c.o"
+ 	tmake_file="${tmake_file} microblaze/t-microblaze"
+         ;;
++riscv*-*-linux*)				# Linux RISC-V
++	tm_file="elfos.h gnu-user.h linux.h glibc-stdint.h ${tm_file} riscv/linux.h riscv/linux64.h"
++	tmake_file="${tmake_file} riscv/t-linux64"
++	gnu_ld=yes
++	gas=yes
++	;;
++riscv*-*-elf*)				# Linux RISC-V
++	tm_file="elfos.h newlib-stdint.h ${tm_file} riscv/elf.h"
++	tmake_file="${tmake_file} riscv/t-elf"
++	gnu_ld=yes
++	gas=yes
++	;;
+ mips*-*-netbsd*)			# NetBSD/mips, either endian.
+ 	target_cpu_default="MASK_ABICALLS"
+ 	tm_file="elfos.h ${tm_file} mips/elf.h netbsd.h netbsd-elf.h mips/netbsd.h"
+@@ -3750,6 +3762,31 @@ case "${target}" in
+ 		done
+ 		;;
+ 
++	riscv*-*-*)
++		supported_defaults="abi arch arch_32 arch_64 float tune tune_32 tune_64"
++
++		case ${with_float} in
++		"" | soft | hard)
++			# OK
++			;;
++		*)
++			echo "Unknown floating point type used in --with-float=$with_float" 1>&2
++			exit 1
++			;;
++		esac
++
++		case ${with_abi} in
++		"" | 32 | 64)
++			# OK
++			;;
++		*)
++			echo "Unknown ABI used in --with-abi=$with_abi" 1>&2
++			exit 1
++			;;
++		esac
++
++    ;;
++
+ 	mips*-*-*)
+ 		supported_defaults="abi arch arch_32 arch_64 float fpu nan tune tune_32 tune_64 divide llsc mips-plt synci"
+ 
+--- original-gcc/libatomic/configure.tgt
++++ gcc/libatomic/configure.tgt
+@@ -29,6 +29,7 @@
+ case "${target_cpu}" in
+   alpha*)		ARCH=alpha ;;
+   rs6000 | powerpc*)	ARCH=powerpc ;;
++  riscv*)		ARCH=riscv ;;
+   sh*)			ARCH=sh ;;
+ 
+   arm*)
+--- original-gcc/libgcc/config.host
++++ gcc/libgcc/config.host
+@@ -1002,6 +1002,14 @@ powerpcle-*-eabi*)
+ 	tmake_file="${tmake_file} rs6000/t-ppccomm rs6000/t-crtstuff t-crtstuff-pic t-fdpbit"
+ 	extra_parts="$extra_parts crtbegin.o crtend.o crtbeginS.o crtendS.o crtbeginT.o ecrti.o ecrtn.o ncrti.o ncrtn.o"
+ 	;;
++riscv*-*-linux*)
++	tmake_file="${tmake_file} riscv/t-fpbit riscv/t-dpbit riscv/t-tpbit riscv/t-linux"
++	extra_parts="$extra_parts crtbegin.o crtend.o crti.o crtn.o crtendS.o crtbeginT.o"
++	;;
++riscv*-*-*)
++	tmake_file="${tmake_file} riscv/t-fpbit riscv/t-dpbit riscv/t-elf"
++	extra_parts="$extra_parts crtbegin.o crtend.o crti.o crtn.o"
++	;;
+ rs6000-ibm-aix4.[3456789]* | powerpc-ibm-aix4.[3456789]*)
+ 	md_unwind_header=rs6000/aix-unwind.h
+ 	tmake_file="t-fdpbit rs6000/t-ppc64-fp rs6000/t-slibgcc-aix rs6000/t-ibm-ldouble"