[Buildroot] [PATCH v2 06/12] arc: add gcc for ARC
Mischa Jonker
Mischa.Jonker at synopsys.com
Wed Apr 24 10:13:17 UTC 2013
ARC needs a specific GCC for now, while we wait for ARC support to get
upstreamed.
Signed-off-by: Mischa Jonker <mjonker at synopsys.com>
---
.../gcc/4.4.7-arc/fix_branch_out_of_range.patch | 30 ++++++++++++++++++++
toolchain/gcc/Config.in | 22 +++++++++-----
toolchain/gcc/gcc-uclibc-4.x.mk | 2 +
3 files changed, 46 insertions(+), 8 deletions(-)
create mode 100644 toolchain/gcc/4.4.7-arc/fix_branch_out_of_range.patch
diff --git a/toolchain/gcc/4.4.7-arc/fix_branch_out_of_range.patch b/toolchain/gcc/4.4.7-arc/fix_branch_out_of_range.patch
new file mode 100644
index 0000000..e39b1cc
--- /dev/null
+++ b/toolchain/gcc/4.4.7-arc/fix_branch_out_of_range.patch
@@ -0,0 +1,30 @@
+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 at 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
diff --git a/toolchain/gcc/Config.in b/toolchain/gcc/Config.in
index d7e8715..851afa7 100644
--- a/toolchain/gcc/Config.in
+++ b/toolchain/gcc/Config.in
@@ -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
+ 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
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
+ depends on !BR2_arc && !BR2_avr32 && !BR2_cortex_a5 && !BR2_cortex_a15 && !BR2_x86_atom && !BR2_powerpc_476 && !BR2_powerpc_476fp && !BR2_fa526
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
+ depends on !BR2_arc && !BR2_avr32 && !BR2_cortex_a15 && !BR2_sparc_sparchfleon && !BR2_sparc_sparchfleonv8 && !BR2_sparc_sparcsfleon && !BR2_sparc_sparcsfleonv8 && !BR2_fa526
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
+ 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 4.6.x"
config BR2_GCC_VERSION_4_7_X
- depends on !BR2_avr32 && !BR2_sparc_sparchfleon && !BR2_sparc_sparchfleonv8 && !BR2_sparc_sparcsfleon && !BR2_sparc_sparcsfleonv8
+ 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 4.7.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
diff --git a/toolchain/gcc/gcc-uclibc-4.x.mk b/toolchain/gcc/gcc-uclibc-4.x.mk
index fc11ad4..4c77c5c 100644
--- a/toolchain/gcc/gcc-uclibc-4.x.mk
+++ b/toolchain/gcc/gcc-uclibc-4.x.mk
@@ -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
--
1.7.0.4
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