diff options
author | Peter Maydell <peter.maydell@linaro.org> | 2015-09-03 13:05:45 +0100 |
---|---|---|
committer | Peter Maydell <peter.maydell@linaro.org> | 2015-09-03 13:05:45 +0100 |
commit | 561578c2a82292ddf55737791d2838b797f49f35 (patch) | |
tree | 5eecb3e2d93d127d65f586304e44a9a380e1fb45 /tcg/i386/tcg-target.c | |
parent | fc8135a46d095f865d285e697a874f617bfeeb90 (diff) | |
parent | 08b0b23be639b955e5e3d84dc42fa4e5ce6a8728 (diff) |
Merge remote-tracking branch 'remotes/rth/tags/pull-tcg-20150902' into staging
queued tcg patches
# gpg: Signature made Wed 02 Sep 2015 22:35:37 BST using RSA key ID 4DD0279B
# gpg: Good signature from "Richard Henderson <rth7680@gmail.com>"
# gpg: aka "Richard Henderson <rth@redhat.com>"
# gpg: aka "Richard Henderson <rth@twiddle.net>"
* remotes/rth/tags/pull-tcg-20150902:
tcg/i386: omit a few REXW prefixes in softmmu code
tcg/aarch64: Fix tcg_out_qemu_{ld, st} for guest_base == 0
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'tcg/i386/tcg-target.c')
-rw-r--r-- | tcg/i386/tcg-target.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/tcg/i386/tcg-target.c b/tcg/i386/tcg-target.c index d2adbc4d17..9187d34caf 100644 --- a/tcg/i386/tcg-target.c +++ b/tcg/i386/tcg-target.c @@ -1178,8 +1178,8 @@ static inline void tcg_out_tlb_load(TCGContext *s, TCGReg addrlo, TCGReg addrhi, const TCGReg r0 = TCG_REG_L0; const TCGReg r1 = TCG_REG_L1; TCGType ttype = TCG_TYPE_I32; - TCGType htype = TCG_TYPE_I32; - int trexw = 0, hrexw = 0; + TCGType tlbtype = TCG_TYPE_I32; + int trexw = 0, hrexw = 0, tlbrexw = 0; int s_mask = (1 << (opc & MO_SIZE)) - 1; bool aligned = (opc & MO_AMASK) == MO_ALIGN || s_mask == 0; @@ -1189,12 +1189,15 @@ static inline void tcg_out_tlb_load(TCGContext *s, TCGReg addrlo, TCGReg addrhi, trexw = P_REXW; } if (TCG_TYPE_PTR == TCG_TYPE_I64) { - htype = TCG_TYPE_I64; hrexw = P_REXW; + if (TARGET_PAGE_BITS + CPU_TLB_BITS > 32) { + tlbtype = TCG_TYPE_I64; + tlbrexw = P_REXW; + } } } - tcg_out_mov(s, htype, r0, addrlo); + tcg_out_mov(s, tlbtype, r0, addrlo); if (aligned) { tcg_out_mov(s, ttype, r1, addrlo); } else { @@ -1203,12 +1206,12 @@ static inline void tcg_out_tlb_load(TCGContext *s, TCGReg addrlo, TCGReg addrhi, tcg_out_modrm_offset(s, OPC_LEA + trexw, r1, addrlo, s_mask); } - tcg_out_shifti(s, SHIFT_SHR + hrexw, r0, + tcg_out_shifti(s, SHIFT_SHR + tlbrexw, r0, TARGET_PAGE_BITS - CPU_TLB_ENTRY_BITS); tgen_arithi(s, ARITH_AND + trexw, r1, TARGET_PAGE_MASK | (aligned ? s_mask : 0), 0); - tgen_arithi(s, ARITH_AND + hrexw, r0, + tgen_arithi(s, ARITH_AND + tlbrexw, r0, (CPU_TLB_SIZE - 1) << CPU_TLB_ENTRY_BITS, 0); tcg_out_modrm_sib_offset(s, OPC_LEA + hrexw, r0, TCG_AREG0, r0, 0, |