commit 6df1e54c1d0cc9ef375b329aee89ae40d68713cd
author Dave Rodgman <dave.rodgman@gmail.com> Fri Jun 02 10:27:13 2023 -0400
committer Dave Rodgman <dave.rodgman@gmail.com> Fri Jun 02 13:51:31 2023 -0400
tree 5051c8522b3b87311dc38c234c52c00a8e723d76
parent 49bd1f2cb2826d6f11588491e76e728fc5488ee4

Do not use assembly on Thumb 1 / clang

Signed-off-by: Dave Rodgman <dave.rodgman@gmail.com>

library/bn_mul.h

diff --git a/library/bn_mul.h b/library/bn_mul.h
index 83b65cd..fce8d7d 100644
--- a/library/bn_mul.h
+++ b/library/bn_mul.h
@@ -661,9 +661,9 @@
 #if defined(__arm__)
 
 #if defined(__thumb__) && !defined(__thumb2__)
-#if !defined(__ARMCC_VERSION)
+#if !defined(__ARMCC_VERSION) && !defined(__clang__)
 /*
- * Thumb 1 ISA. This code path does not work on armclang.
+ * Thumb 1 ISA. This code path does not build on clang or armclang.
  */
 
 #if !defined(__OPTIMIZE__) && defined(__GNUC__)
@@ -746,7 +746,7 @@
          : "r0", "r1", "r2", "r3", "r4", "r5",  \
            "r6", MULADDC_SCRATCH_CLOBBER, "r8", "r9", "cc" \
          );
-#endif /* !defined(__ARMCC_VERSION) */
+#endif /* !defined(__ARMCC_VERSION) && !defined(__clang__) */
 
 #elif (__ARM_ARCH >= 6) && \
     defined (__ARM_FEATURE_DSP) && (__ARM_FEATURE_DSP == 1)