1 files changed, 0 insertions, 75 deletions
diff --git a/pkgs/development/compilers/llvm/common/compiler-rt/armv6-mcr-dmb.patch b/pkgs/development/compilers/llvm/common/compiler-rt/armv6-mcr-dmb.patch
deleted file mode 100644
index acdcc9e983b8..000000000000
--- a/pkgs/development/compilers/llvm/common/compiler-rt/armv6-mcr-dmb.patch
+++ /dev/null
@@ -1,75 +0,0 @@
-From a11d1cc41c725ec6dee58f75e4a852a658dd7543 Mon Sep 17 00:00:00 2001
-From: Khem Raj <raj.khem@gmail.com>
-Date: Thu, 10 Mar 2022 19:30:00 -0800
-Subject: [PATCH] [builtins] Use mcr for dmb instruction on armv6
-
-At present compiler-rt cross compiles for armv6 ( -march=armv6 ) but includes
-dmb instructions which are only available in armv7+ this causes SIGILL on
-clang+compiler-rt compiled components on rpi0w platforms.
-
-Reviewed By: MaskRay
-
-Differential Revision: https://reviews.llvm.org/D99282
----
- compiler-rt/lib/builtins/arm/sync-ops.h | 8 ++++----
- compiler-rt/lib/builtins/assembly.h     | 8 ++++++++
- 2 files changed, 12 insertions(+), 4 deletions(-)
-
-diff --git a/lib/builtins/arm/sync-ops.h b/lib/builtins/arm/sync-ops.h
-index c9623249e5d20..7a26170741ad2 100644
---- a/lib/builtins/arm/sync-ops.h
-+++ b/lib/builtins/arm/sync-ops.h
-@@ -19,14 +19,14 @@
-   .thumb;                                                                      \
-   .syntax unified;                                                             \
-   DEFINE_COMPILERRT_THUMB_FUNCTION(__sync_fetch_and_##op)                      \
--  dmb;                                                                         \
-+  DMB;                                                                         \
-   mov r12, r0;                                                                 \
-   LOCAL_LABEL(tryatomic_##op) : ldrex r0, [r12];                               \
-   op(r2, r0, r1);                                                              \
-   strex r3, r2, [r12];                                                         \
-   cmp r3, #0;                                                                  \
-   bne LOCAL_LABEL(tryatomic_##op);                                             \
--  dmb;                                                                         \
-+  DMB;                                                                         \
-   bx lr
- 
- #define SYNC_OP_8(op)                                                          \
-@@ -35,14 +35,14 @@
-   .syntax unified;                                                             \
-   DEFINE_COMPILERRT_THUMB_FUNCTION(__sync_fetch_and_##op)                      \
-   push {r4, r5, r6, lr};                                                       \
--  dmb;                                                                         \
-+  DMB;                                                                         \
-   mov r12, r0;                                                                 \
-   LOCAL_LABEL(tryatomic_##op) : ldrexd r0, r1, [r12];                          \
-   op(r4, r5, r0, r1, r2, r3);                                                  \
-   strexd r6, r4, r5, [r12];                                                    \
-   cmp r6, #0;                                                                  \
-   bne LOCAL_LABEL(tryatomic_##op);                                             \
--  dmb;                                                                         \
-+  DMB;                                                                         \
-   pop { r4, r5, r6, pc }
- 
- #define MINMAX_4(rD, rN, rM, cmp_kind)                                         \
-diff --git a/lib/builtins/assembly.h b/lib/builtins/assembly.h
-index 69a3d8620f924..06aa18162e3b4 100644
---- a/lib/builtins/assembly.h
-+++ b/lib/builtins/assembly.h
-@@ -189,6 +189,14 @@
-   JMP(ip)
- #endif
- 
-+#if __ARM_ARCH >= 7
-+#define DMB dmb
-+#elif __ARM_ARCH >= 6
-+#define DMB mcr p15, #0, r0, c7, c10, #5
-+#else
-+#error only supported on ARMv6+
-+#endif
-+
- #if defined(USE_THUMB_2)
- #define WIDE(op) op.w
- #else
-