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[Qemu-devel] [PULL 36/54] tcg/tcg.h: Remove GCC check for tcg_debug_asse
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PULL 36/54] tcg/tcg.h: Remove GCC check for tcg_debug_assert() macro |
Date: |
Wed, 12 Dec 2018 16:22:57 +0100 |
From: Thomas Huth <address@hidden>
Both GCC v4.8 and Clang v3.4 support (our minimum versions) support
__builtin_unreachable(), so we can remove the version check here now.
Reviewed-by: Richard Henderson <address@hidden>
Signed-off-by: Thomas Huth <address@hidden>
Message-Id: <address@hidden>
---
tcg/tcg.h | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/tcg/tcg.h b/tcg/tcg.h
index cbe4309..973a757 100644
--- a/tcg/tcg.h
+++ b/tcg/tcg.h
@@ -230,11 +230,9 @@ typedef uint64_t tcg_insn_unit;
#if defined CONFIG_DEBUG_TCG || defined QEMU_STATIC_ANALYSIS
# define tcg_debug_assert(X) do { assert(X); } while (0)
-#elif QEMU_GNUC_PREREQ(4, 5)
+#else
# define tcg_debug_assert(X) \
do { if (!(X)) { __builtin_unreachable(); } } while (0)
-#else
-# define tcg_debug_assert(X) do { (void)(X); } while (0)
#endif
typedef struct TCGRelocation {
--
1.8.3.1
- [Qemu-devel] [PULL 19/54] build-sys: move windows defines in osdep.h header, (continued)
- [Qemu-devel] [PULL 19/54] build-sys: move windows defines in osdep.h header, Paolo Bonzini, 2018/12/12
- [Qemu-devel] [PULL 10/54] memory: update coalesced_range on transaction_commit, Paolo Bonzini, 2018/12/12
- [Qemu-devel] [PULL 28/54] qemu/queue.h: typedef QTAILQ heads, Paolo Bonzini, 2018/12/12
- [Qemu-devel] [PULL 12/54] block/iscsi: drop unused IscsiAIOCB->buf field, Paolo Bonzini, 2018/12/12
- [Qemu-devel] [PULL 32/54] checkpatch: warn about qemu/queue.h head structs that are not typedef-ed, Paolo Bonzini, 2018/12/12
- [Qemu-devel] [PULL 34/54] configure: Remove obsolete check for Clang < 3.2, Paolo Bonzini, 2018/12/12
- [Qemu-devel] [PULL 23/54] test: replace gtester with a TAP driver, Paolo Bonzini, 2018/12/12
- [Qemu-devel] [PULL 31/54] qemu/queue.h: simplify reverse access to QTAILQ, Paolo Bonzini, 2018/12/12
- [Qemu-devel] [PULL 35/54] configure: Remove old -fno-gcse workaround for GCC 4.6.x and 4.7.[012], Paolo Bonzini, 2018/12/12
- [Qemu-devel] [PULL 29/54] qemu/queue.h: remove Q_TAILQ_{HEAD, ENTRY}, Paolo Bonzini, 2018/12/12
- [Qemu-devel] [PULL 36/54] tcg/tcg.h: Remove GCC check for tcg_debug_assert() macro,
Paolo Bonzini <=
- [Qemu-devel] [PULL 33/54] configure: Add a test for the minimum compiler version, Paolo Bonzini, 2018/12/12
- [Qemu-devel] [PULL 18/54] build-sys: don't include windows.h, osdep.h does it, Paolo Bonzini, 2018/12/12
- [Qemu-devel] [PULL 37/54] audio/alsaaudio: Remove compiler check around pragma, Paolo Bonzini, 2018/12/12
- [Qemu-devel] [PULL 27/54] qemu/queue.h: leave head structs anonymous unless necessary, Paolo Bonzini, 2018/12/12
- [Qemu-devel] [PULL 30/54] qemu/queue.h: reimplement QTAILQ without pointer-to-pointers, Paolo Bonzini, 2018/12/12
- [Qemu-devel] [PULL 38/54] includes: Replace QEMU_GNUC_PREREQ with "__has_builtin || !defined(__clang__)", Paolo Bonzini, 2018/12/12
- [Qemu-devel] [PULL 40/54] hw/watchdog/wdt_i6300esb : remove a unnecessary comment, Paolo Bonzini, 2018/12/12
- [Qemu-devel] [PULL 46/54] vhost-user-test: use g_cond_broadcast, Paolo Bonzini, 2018/12/12
- [Qemu-devel] [PULL 42/54] vhost-net-user: add stubs for when no virtio-net device is present, Paolo Bonzini, 2018/12/12
- [Qemu-devel] [PULL 43/54] vhost: restrict Linux dependency to kernel vhost, Paolo Bonzini, 2018/12/12