diff options
| author | Nicholas Piggin | 2022-05-19 15:59:06 +0200 |
|---|---|---|
| committer | Daniel Henrique Barboza | 2022-05-26 22:11:33 +0200 |
| commit | 9d82353826422ed0e34ad76961fe0cae5f67e58e (patch) | |
| tree | 7059f47ca671a2ef342c7eee887128a773d8222a /tcg | |
| parent | target/ppc: Fix eieio memory ordering semantics (diff) | |
| download | qemu-9d82353826422ed0e34ad76961fe0cae5f67e58e.tar.gz qemu-9d82353826422ed0e34ad76961fe0cae5f67e58e.tar.xz qemu-9d82353826422ed0e34ad76961fe0cae5f67e58e.zip | |
tcg/ppc: ST_ST memory ordering is not provided with eieio
eieio does not provide ordering between stores to CI memory and stores
to cacheable memory so it can't be used as a general ST_ST barrier.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-of-by: Nicholas Piggin <npiggin@gmail.com>
Message-Id: <20220519135908.21282-3-npiggin@gmail.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Diffstat (limited to 'tcg')
| -rw-r--r-- | tcg/ppc/tcg-target.c.inc | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/tcg/ppc/tcg-target.c.inc b/tcg/ppc/tcg-target.c.inc index fc8ae47293..4750091c9c 100644 --- a/tcg/ppc/tcg-target.c.inc +++ b/tcg/ppc/tcg-target.c.inc @@ -1836,8 +1836,6 @@ static void tcg_out_mb(TCGContext *s, TCGArg a0) a0 &= TCG_MO_ALL; if (a0 == TCG_MO_LD_LD) { insn = LWSYNC; - } else if (a0 == TCG_MO_ST_ST) { - insn = EIEIO; } tcg_out32(s, insn); } |