From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([209.51.188.92]:51000) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gj16f-0006vf-Kh for qemu-devel@nongnu.org; Mon, 14 Jan 2019 07:12:42 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gj16e-0007Im-VE for qemu-devel@nongnu.org; Mon, 14 Jan 2019 07:12:41 -0500 From: Thomas Huth Date: Mon, 14 Jan 2019 13:12:35 +0100 Message-Id: <1547467955-17245-1-git-send-email-thuth@redhat.com> Subject: [Qemu-devel] [PATCH] include/fpu/softfloat: Fix compilation with Clang on s390x List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Richard Henderson , Aurelien Jarno , Peter Maydell , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Cornelia Huck , qemu-devel@nongnu.org Cc: qemu-s390x@nongnu.org Clang v7.0.1 does not like the __int128 variable type for inline assembly on s390x: In file included from fpu/softfloat.c:97: include/fpu/softfloat-macros.h:647:9: error: inline asm error: This value type register class is not natively supported! asm("dlgr %0, %1" : "+r"(n) : "r"(d)); ^ Disable this code part there now when compiling with Clang, so that the generic code gets used instead. Signed-off-by: Thomas Huth --- include/fpu/softfloat-macros.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/fpu/softfloat-macros.h b/include/fpu/softfloat-macros.h index b1d772e..bd5b641 100644 --- a/include/fpu/softfloat-macros.h +++ b/include/fpu/softfloat-macros.h @@ -641,7 +641,7 @@ static inline uint64_t udiv_qrnnd(uint64_t *r, uint64_t n1, uint64_t q; asm("divq %4" : "=a"(q), "=d"(*r) : "0"(n0), "1"(n1), "rm"(d)); return q; -#elif defined(__s390x__) +#elif defined(__s390x__) && !defined(__clang__) /* Need to use a TImode type to get an even register pair for DLGR. */ unsigned __int128 n = (unsigned __int128)n1 << 64 | n0; asm("dlgr %0, %1" : "+r"(n) : "r"(d)); -- 1.8.3.1