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| author | Richard Henderson <richard.henderson@linaro.org> | 2018-11-20 23:43:17 +0100 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2018-12-17 06:04:43 +0300 |
| commit | 1d21d95b6101786d44d3b4a12400eb80a1ecc647 (patch) | |
| tree | e6561d6a1f38d0dc4e63f285e7f4ad0712fee04a /tcg | |
| parent | 55dfd8fedceb1311d9cdded1a0f94b2da91a387d (diff) | |
| download | qemu-1d21d95b6101786d44d3b4a12400eb80a1ecc647.zip qemu-1d21d95b6101786d44d3b4a12400eb80a1ecc647.tar.gz qemu-1d21d95b6101786d44d3b4a12400eb80a1ecc647.tar.bz2 | |
tcg/i386: Propagate is64 to tcg_out_qemu_ld_direct
This helps preserve the invariant that all TCG_TYPE_I32 values
are stored zero-extended in the 64-bit host registers.
Reviewed-by: Emilio G. Cota <cota@braap.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tcg')
| -rw-r--r-- | tcg/i386/tcg-target.inc.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/tcg/i386/tcg-target.inc.c b/tcg/i386/tcg-target.inc.c index 28192f4..6bf4f84 100644 --- a/tcg/i386/tcg-target.inc.c +++ b/tcg/i386/tcg-target.inc.c @@ -1883,10 +1883,11 @@ static inline void setup_guest_base_seg(void) { } static void tcg_out_qemu_ld_direct(TCGContext *s, TCGReg datalo, TCGReg datahi, TCGReg base, int index, intptr_t ofs, - int seg, TCGMemOp memop) + int seg, bool is64, TCGMemOp memop) { const TCGMemOp real_bswap = memop & MO_BSWAP; TCGMemOp bswap = real_bswap; + int rexw = is64 * P_REXW; int movop = OPC_MOVL_GvEv; if (have_movbe && real_bswap) { @@ -1900,7 +1901,7 @@ static void tcg_out_qemu_ld_direct(TCGContext *s, TCGReg datalo, TCGReg datahi, base, index, 0, ofs); break; case MO_SB: - tcg_out_modrm_sib_offset(s, OPC_MOVSBL + P_REXW + seg, datalo, + tcg_out_modrm_sib_offset(s, OPC_MOVSBL + rexw + seg, datalo, base, index, 0, ofs); break; case MO_UW: @@ -1920,9 +1921,9 @@ static void tcg_out_qemu_ld_direct(TCGContext *s, TCGReg datalo, TCGReg datahi, base, index, 0, ofs); tcg_out_rolw_8(s, datalo); } - tcg_out_modrm(s, OPC_MOVSWL + P_REXW, datalo, datalo); + tcg_out_modrm(s, OPC_MOVSWL + rexw, datalo, datalo); } else { - tcg_out_modrm_sib_offset(s, OPC_MOVSWL + P_REXW + seg, + tcg_out_modrm_sib_offset(s, OPC_MOVSWL + rexw + seg, datalo, base, index, 0, ofs); } break; @@ -2010,7 +2011,7 @@ static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, bool is64) label_ptr, offsetof(CPUTLBEntry, addr_read)); /* TLB Hit. */ - tcg_out_qemu_ld_direct(s, datalo, datahi, TCG_REG_L1, -1, 0, 0, opc); + tcg_out_qemu_ld_direct(s, datalo, datahi, TCG_REG_L1, -1, 0, 0, is64, opc); /* Record the current context of a load into ldst label */ add_qemu_ldst_label(s, true, oi, datalo, datahi, addrlo, addrhi, @@ -2045,7 +2046,7 @@ static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, bool is64) } tcg_out_qemu_ld_direct(s, datalo, datahi, - base, index, offset, seg, opc); + base, index, offset, seg, is64, opc); } #endif } |