From 52a307e54a485797d7c38af45b4e9f453f170c61 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Wed, 18 Nov 2015 00:57:22 +0000
Subject: [PATCH] gcc: fix internal compiler error on MIPS with MIPS16 enabled
(triggered by libpcap)
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 47494
---
.../5.2.0/040-fix-mips-ICE-PR-68400.patch | 23 +++++++++++++++++++
.../5.2.0/930-fix-mips-noexecstack.patch | 2 +-
2 files changed, 24 insertions(+), 1 deletion(-)
create mode 100644 toolchain/gcc/patches/5.2.0/040-fix-mips-ICE-PR-68400.patch
diff --git a/toolchain/gcc/patches/5.2.0/040-fix-mips-ICE-PR-68400.patch b/toolchain/gcc/patches/5.2.0/040-fix-mips-ICE-PR-68400.patch
new file mode 100644
index 0000000000..e88af34032
--- /dev/null
+++ b/toolchain/gcc/patches/5.2.0/040-fix-mips-ICE-PR-68400.patch
@@ -0,0 +1,23 @@
+--- a/gcc/config/mips/mips.c
++++ b/gcc/config/mips/mips.c
+@@ -8001,9 +8001,17 @@ mask_low_and_shift_p (machine_mode mode,
+ bool
+ and_operands_ok (machine_mode mode, rtx op1, rtx op2)
+ {
+- return (memory_operand (op1, mode)
+- ? and_load_operand (op2, mode)
+- : and_reg_operand (op2, mode));
++ if (!memory_operand (op1, mode))
++ return and_reg_operand (op2, mode);
++
++ if (!and_load_operand (op2, mode))
++ return false;
++
++ if (!TARGET_MIPS16 || si_mask_operand(op2, mode))
++ return true;
++
++ op1 = XEXP (op1, 0);
++ return !(REG_P (op1) && REGNO (op1) == STACK_POINTER_REGNUM);
+ }
+
+ /* The canonical form of a mask-low-and-shift-left operation is
diff --git a/toolchain/gcc/patches/5.2.0/930-fix-mips-noexecstack.patch b/toolchain/gcc/patches/5.2.0/930-fix-mips-noexecstack.patch
index 4bb126eb99..c05844d2e4 100644
--- a/toolchain/gcc/patches/5.2.0/930-fix-mips-noexecstack.patch
+++ b/toolchain/gcc/patches/5.2.0/930-fix-mips-noexecstack.patch
@@ -48,7 +48,7 @@ sellcey@mips.com
--- a/gcc/config/mips/mips.c
+++ b/gcc/config/mips/mips.c
-@@ -19621,6 +19621,9 @@ mips_lra_p (void)
+@@ -19629,6 +19629,9 @@ mips_lra_p (void)
#undef TARGET_LRA_P
#define TARGET_LRA_P mips_lra_p
--
GitLab