From de6be7bc60f190a0d746945a3a5a143bc93a1a65 Mon Sep 17 00:00:00 2001 From: Sergey Matyukevich Date: Tue, 20 Sep 2022 16:14:21 +0400 Subject: arc: add support for ARCv3 32-bit processors New ARCv3 ISA includes both 64-bit and 32-bit CPU family. This patch adds support for 32-bit ARCv3 HS5x processors. Signed-off-by: Sergey Matyukevich Signed-off-by: Pavel Kozlov --- libc/sysdeps/linux/arc/crt1.S | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'libc/sysdeps/linux/arc/crt1.S') diff --git a/libc/sysdeps/linux/arc/crt1.S b/libc/sysdeps/linux/arc/crt1.S index 70a06e058..ff36d252e 100644 --- a/libc/sysdeps/linux/arc/crt1.S +++ b/libc/sysdeps/linux/arc/crt1.S @@ -40,7 +40,9 @@ __start: ld_s r1, [sp] ; argc mov_s r5, r0 ; rltd_fini - add_s r2, sp, 4 ; argv + /* Use the universal 32-bit add instruction as 16-bit add_s was excluded from + ARCv3 ISA */ + add r2, sp, 4 ; argv #ifdef L_Scrt1 ld r0, [pcl, @main@gotpc] ld r3, [pcl, @_init@gotpc] -- cgit v1.2.3