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[PULL 03/10] tcg: Optimize inline dup_const for MO_64
From: |
Richard Henderson |
Subject: |
[PULL 03/10] tcg: Optimize inline dup_const for MO_64 |
Date: |
Sat, 23 Jan 2021 08:50:13 -1000 |
Avoid the out-of-line function call for immediate MO_64.
In addition, diagnose all invalid constants at compile-time.
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
include/tcg/tcg.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/include/tcg/tcg.h b/include/tcg/tcg.h
index 504c5e9bb0..c5a9d65d5f 100644
--- a/include/tcg/tcg.h
+++ b/include/tcg/tcg.h
@@ -1325,7 +1325,8 @@ uint64_t dup_const(unsigned vece, uint64_t c);
? ( (VECE) == MO_8 ? 0x0101010101010101ull * (uint8_t)(C) \
: (VECE) == MO_16 ? 0x0001000100010001ull * (uint16_t)(C) \
: (VECE) == MO_32 ? 0x0000000100000001ull * (uint32_t)(C) \
- : dup_const(VECE, C)) \
+ : (VECE) == MO_64 ? (uint64_t)(C) \
+ : (qemu_build_not_reached_always(), 0)) \
: dup_const(VECE, C))
--
2.25.1
- [PULL 00/10] tcg patch queue, Richard Henderson, 2021/01/23
- [PULL 01/10] tcg: update the cpu running flag in cpu_exec_step_atomic, Richard Henderson, 2021/01/23
- [PULL 03/10] tcg: Optimize inline dup_const for MO_64,
Richard Henderson <=
- [PULL 05/10] accel/tcg: Make cpu_gen_init() static, Richard Henderson, 2021/01/23
- [PULL 04/10] tcg: Increase the static number of temporaries, Richard Henderson, 2021/01/23
- [PULL 02/10] qemu/compiler: Split out qemu_build_not_reached_always, Richard Henderson, 2021/01/23
- [PULL 07/10] accel/tcg: Restrict tb_gen_code() from other accelerators, Richard Henderson, 2021/01/23
- [PULL 06/10] accel/tcg: Move tb_flush_jmp_cache() to cputlb.c, Richard Henderson, 2021/01/23
- [PULL 08/10] accel/tcg: Declare missing cpu_loop_exit*() stubs, Richard Henderson, 2021/01/23
- [PULL 09/10] accel/tcg: Restrict cpu_io_recompile() from other accelerators, Richard Henderson, 2021/01/23
- [PULL 10/10] tcg: Toggle page execution for Apple Silicon, Richard Henderson, 2021/01/23
- Re: [PULL 00/10] tcg patch queue, Richard Henderson, 2021/01/23