one more x64 linux fix
@@ -1370,7 +1370,9 @@ static void set_native_arg( jit_ctx *ctx, preg *r ) {
static void set_native_arg_fpu( jit_ctx *ctx, preg *r, bool isf32 ) {
# ifdef HL_64
if( r->kind == RCPU ) ASSERT(0);
- preg *target = REG_AT(XMM(IS_WINCALL64 ? --ctx->nativeArgsCount : ctx->nativeArgsCount));
+ // can only be used if last argument !!
+ ctx->nativeArgsCount--;
+ preg *target = REG_AT(XMM(IS_WINCALL64 ? ctx->nativeArgsCount : 0));
if( target != r ) {
op64(ctx, isf32 ? MOVSS : MOVSD, target, r);
scratch(target);
