diff options
| author | Xinyu Li <lixinyu20s@ict.ac.cn> | 2023-05-10 22:52:22 +0800 |
|---|---|---|
| committer | Michael Tokarev <mjt@tls.msk.ru> | 2023-05-18 21:10:00 +0300 |
| commit | 48b60eb6c917646df9efa7ddb4c25929f358d647 (patch) | |
| tree | b01f5afa0859b7567633b6abd425e9ef98c04dbd | |
| parent | eee0666a501558d41b53a793fb0cfdc1e578294e (diff) | |
target/i386: fix avx2 instructions vzeroall and vpermdq
vzeroall: xmm_regs should be used instead of xmm_t0
vpermdq: bit 3 and 7 of imm should be considered
Signed-off-by: Xinyu Li <lixinyu20s@ict.ac.cn>
Message-Id: <20230510145222.586487-1-lixinyu20s@ict.ac.cn>
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
(cherry picked from commit 056d649007bc9fdae9f1d576e77c1316e9a34468)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
| -rw-r--r-- | target/i386/ops_sse.h | 8 | ||||
| -rw-r--r-- | target/i386/tcg/emit.c.inc | 2 |
2 files changed, 9 insertions, 1 deletions
diff --git a/target/i386/ops_sse.h b/target/i386/ops_sse.h index 3cbc36a59d..44c1e70093 100644 --- a/target/i386/ops_sse.h +++ b/target/i386/ops_sse.h @@ -2493,6 +2493,14 @@ void helper_vpermdq_ymm(Reg *d, Reg *v, Reg *s, uint32_t order) d->Q(1) = r1; d->Q(2) = r2; d->Q(3) = r3; + if (order & 0x8) { + d->Q(0) = 0; + d->Q(1) = 0; + } + if (order & 0x80) { + d->Q(2) = 0; + d->Q(3) = 0; + } } void helper_vpermq_ymm(Reg *d, Reg *s, uint32_t order) diff --git a/target/i386/tcg/emit.c.inc b/target/i386/tcg/emit.c.inc index 7296f3952c..5d31fce65d 100644 --- a/target/i386/tcg/emit.c.inc +++ b/target/i386/tcg/emit.c.inc @@ -2288,7 +2288,7 @@ static void gen_VZEROALL(DisasContext *s, CPUX86State *env, X86DecodedInsn *deco { TCGv_ptr ptr = tcg_temp_new_ptr(); - tcg_gen_addi_ptr(ptr, cpu_env, offsetof(CPUX86State, xmm_t0)); + tcg_gen_addi_ptr(ptr, cpu_env, offsetof(CPUX86State, xmm_regs)); gen_helper_memset(ptr, ptr, tcg_constant_i32(0), tcg_constant_ptr(CPU_NB_REGS * sizeof(ZMMReg))); tcg_temp_free_ptr(ptr); |