Commit 1ef17030 authored by Mischa Jonker's avatar Mischa Jonker Committed by Peter Korsgaard
Browse files

arc: add gcc for ARC 



ARC needs a specific GCC for now, while we wait for ARC support to get
upstreamed.

Signed-off-by: default avatarMischa Jonker <mjonker@synopsys.com>
Signed-off-by: default avatarPeter Korsgaard <jacmet@sunsite.dk>
parent cb232b31

toolchain/gcc/4.4.7-arc/fix_branch_out_of_range.patch

0 → 100644
+30 −0
Original line number Diff line number Diff line 
arc: Fix operand-out-of-range errors



brcc_s instructions can generate operand-out-of-range errors. While a

better solution is being discussed by the compiler team, this workaround

ensures that the chances of running into this issue are low.



Signed-off-by: Mischa Jonker <mjonker@synopsys.com>



diff --git a/gcc/config/arc/arc.c b/gcc/config/arc/arc.c

index ff602c0..b3ca4c4 100644

--- a/gcc/config/arc/arc.c

+++ b/gcc/config/arc/arc.c

@@ -6565,7 +6565,7 @@ estimate required size increase).

 	      rtx *ccp = &XEXP (XVECEXP (pat, 0, 1), 0);

 

 	      offset = branch_dest (insn) - INSN_ADDRESSES (INSN_UID (insn));

-	      if ((offset >= -140 && offset < 140)

+	      if ((offset >= -120 && offset < 120)

 		  && rtx_equal_p (XEXP (op, 1), const0_rtx)

  		  && compact_register_operand (XEXP (op, 0), VOIDmode)

 		  && equality_comparison_operator (op, VOIDmode))

@@ -6687,7 +6687,7 @@ estimate required size increase).

 

 		  if (op0 != cmp0)

  		    cc_clob_rtx = gen_rtx_REG (CC_ZNmode, CC_REG);

- 		  else if ((offset >= -140 && offset < 140)

+ 		  else if ((offset >= -120 && offset < 120)

 			   && rtx_equal_p (op1, const0_rtx)

 			   && compact_register_operand (op0, VOIDmode)

 			   && (GET_CODE (op) == EQ

toolchain/gcc/Config.in

+14 −8
Original line number Diff line number Diff line
@@ -9,44 +9,49 @@ choice 
	prompt "GCC compiler Version"

	default BR2_GCC_VERSION_4_4_X if BR2_sparc_sparchfleon || BR2_sparc_sparchfleonv8 || BR2_sparc_sparcsfleon || BR2_sparc_sparcsfleonv8

	default BR2_GCC_VERSION_4_2_2_AVR32_2_1_5 if BR2_avr32

	default BR2_GCC_VERSION_4_4_7_ARC if BR2_arc

	default BR2_GCC_VERSION_4_7_X

	help

	  Select the version of gcc you wish to use.



	config BR2_GCC_VERSION_4_4_7_ARC

		depends on BR2_arc

		bool "gcc 4.4.7-arc"



	config BR2_GCC_VERSION_4_2_2_AVR32_2_1_5

	       depends on BR2_avr32

	       bool "gcc 4.2.2-avr32-2.1.5"



	config BR2_GCC_VERSION_4_3_X

		depends on !BR2_avr32 && !BR2_sparc_sparchfleon && !BR2_sparc_sparchfleonv8 && !BR2_sparc_sparcsfleon && !BR2_sparc_sparcsfleonv8 && !BR2_cortex_a5 && !BR2_cortex_a8 && !BR2_cortex_a9 && !BR2_cortex_a15 && !BR2_x86_atom && !BR2_powerpc_e300c2 && !BR2_powerpc_e300c3 && !BR2_powerpc_e500mc && !BR2_powerpc_464 && !BR2_powerpc_464fp && !BR2_powerpc_476 && !BR2_powerpc_476fp && !BR2_fa526 && !BR2_pj4

		depends on !BR2_arc && !BR2_avr32 && !BR2_sparc_sparchfleon && !BR2_sparc_sparchfleonv8 && !BR2_sparc_sparcsfleon && !BR2_sparc_sparcsfleonv8 && !BR2_cortex_a5 && !BR2_cortex_a8 && !BR2_cortex_a9 && !BR2_cortex_a15 && !BR2_x86_atom && !BR2_powerpc_e300c2 && !BR2_powerpc_e300c3 && !BR2_powerpc_e500mc && !BR2_powerpc_464 && !BR2_powerpc_464fp && !BR2_powerpc_476 && !BR2_powerpc_476fp && !BR2_fa526 && !BR2_pj4

		bool "gcc 4.3.x"



	config BR2_GCC_VERSION_4_4_X

		depends on !BR2_avr32 && !BR2_cortex_a5 && !BR2_cortex_a15 && !BR2_x86_atom && !BR2_powerpc_476 && !BR2_powerpc_476fp && !BR2_fa526 && !BR2_pj4

		depends on !BR2_arc && !BR2_avr32 && !BR2_cortex_a5 && !BR2_cortex_a15 && !BR2_x86_atom && !BR2_powerpc_476 && !BR2_powerpc_476fp && !BR2_fa526 && !BR2_pj4

		bool "gcc 4.4.x"



	config BR2_GCC_VERSION_4_5_X

		depends on !BR2_avr32 && !BR2_cortex_a15 && !BR2_sparc_sparchfleon && !BR2_sparc_sparchfleonv8 && !BR2_sparc_sparcsfleon && !BR2_sparc_sparcsfleonv8 && !BR2_fa526 && !BR2_pj4

		depends on !BR2_arc && !BR2_avr32 && !BR2_cortex_a15 && !BR2_sparc_sparchfleon && !BR2_sparc_sparchfleonv8 && !BR2_sparc_sparcsfleon && !BR2_sparc_sparcsfleonv8 && !BR2_fa526 && !BR2_pj4

		select BR2_GCC_NEEDS_MPC

		bool "gcc 4.5.x"



	config BR2_GCC_VERSION_4_6_X

		depends on !BR2_avr32 && !BR2_sparc_sparchfleon && !BR2_sparc_sparchfleonv8 && !BR2_sparc_sparcsfleon && !BR2_sparc_sparcsfleonv8 && !BR2_pj4

		depends on !BR2_arc && !BR2_avr32 && !BR2_sparc_sparchfleon && !BR2_sparc_sparchfleonv8 && !BR2_sparc_sparcsfleon && !BR2_sparc_sparcsfleonv8 && !BR2_pj4

		select BR2_GCC_NEEDS_MPC

		bool "gcc 4.6.x"



	config BR2_GCC_VERSION_4_7_X

		depends on !BR2_avr32 && !BR2_sparc_sparchfleon && !BR2_sparc_sparchfleonv8 && !BR2_sparc_sparcsfleon && !BR2_sparc_sparcsfleonv8 && !BR2_pj4

		depends on !BR2_arc && !BR2_avr32 && !BR2_sparc_sparchfleon && !BR2_sparc_sparchfleonv8 && !BR2_sparc_sparcsfleon && !BR2_sparc_sparcsfleonv8 && !BR2_pj4

		select BR2_GCC_NEEDS_MPC

		bool "gcc 4.7.x"



	config BR2_GCC_VERSION_4_8_X

		depends on !BR2_avr32 && !BR2_sparc_sparchfleon && !BR2_sparc_sparchfleonv8 && !BR2_sparc_sparcsfleon && !BR2_sparc_sparcsfleonv8

		depends on !BR2_arc && !BR2_avr32 && !BR2_sparc_sparchfleon && !BR2_sparc_sparchfleonv8 && !BR2_sparc_sparcsfleon && !BR2_sparc_sparcsfleonv8

		select BR2_GCC_NEEDS_MPC

		bool "gcc 4.8.x"



	config BR2_GCC_VERSION_SNAP

		depends on !BR2_avr32 && !BR2_sparc_sparchfleon && !BR2_sparc_sparchfleonv8 && !BR2_sparc_sparcsfleon && !BR2_sparc_sparcsfleonv8

		depends on !BR2_arc && !BR2_avr32 && !BR2_sparc_sparchfleon && !BR2_sparc_sparchfleonv8 && !BR2_sparc_sparcsfleon && !BR2_sparc_sparcsfleonv8

		select BR2_GCC_NEEDS_MPC

		bool "gcc snapshot"

endchoice
@@ -74,6 +79,7 @@ config BR2_GCC_VERSION 
	default "4.2.2-avr32-2.1.5" if BR2_GCC_VERSION_4_2_2_AVR32_2_1_5

	default "4.3.6"     if BR2_GCC_VERSION_4_3_X

	default "4.4.7"     if BR2_GCC_VERSION_4_4_X

	default "4.4.7-arc" if BR2_GCC_VERSION_4_4_7_ARC

	default "4.5.4"     if BR2_GCC_VERSION_4_5_X

	default "4.6.4"     if BR2_GCC_VERSION_4_6_X

	default "4.7.3"     if BR2_GCC_VERSION_4_7_X
@@ -119,6 +125,6 @@ config BR2_GCC_ENABLE_TLS 


config BR2_GCC_ENABLE_OPENMP

	bool "Enable compiler OpenMP support"

	depends on !BR2_PTHREADS_NONE && !BR2_avr32

	depends on !BR2_PTHREADS_NONE && !BR2_avr32 && !BR2_arc

	help

	  Enable OpenMP support for the compiler

toolchain/gcc/gcc-uclibc-4.x.mk

+2 −0
Original line number Diff line number Diff line
@@ -29,6 +29,8 @@ ifneq ($(GCC_SNAP_DATE),) 
 GCC_SITE:=ftp://gcc.gnu.org/pub/gcc/snapshots/$(GCC_SNAP_DATE)/

else ifeq ($(findstring avr32,$(GCC_VERSION)),avr32)

 GCC_SITE:=ftp://www.at91.com/pub/buildroot/

else ifeq ($(findstring arc,$(GCC_VERSION)),arc)

 GCC_SITE:=$(BR2_ARC_SITE)

else

 GCC_SITE:=$(BR2_GNU_MIRROR:/=)/gcc/gcc-$(GCC_VERSION)

endif