AVX-512: Find the correct position of the last SIMD op

Since embedded rounding mode is following the last SIMD op,
GPR op should be skipped when finding the last SIMD op.

Signed-off-by: Jin Kyu Song <jin.kyu.song@intel.com>
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/assemble.c b/assemble.c
index 4f0cd9c0..313ff8a7 100644
--- a/assemble.c
+++ b/assemble.c
@@ -1159,6 +1159,8 @@ static int64_t calcsize(int32_t segment, int64_t offset, int bits,
                     rfield = nasm_regvals[opx->basereg];
                     /* find the last SIMD operand where ER decorator resides */
                     oplast = &ins->oprs[op1 > op2 ? op1 : op2];
+                    while (oplast && is_class(REG_CLASS_GPR, oplast->type))
+                        oplast--;
                 } else {
                     rflags = 0;
                     rfield = c & 7;