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| author | Richard Henderson | 2018-12-01 01:31:15 +0100 |
|---|---|---|
| committer | Richard Henderson | 2018-12-17 04:04:44 +0100 |
| commit | 75478279a0c1eafc7b69d5382356da138f58f1bd (patch) | |
| tree | 0ab141ce4f16715ada591a545d6f57f655dd486b /tcg/i386/tcg-target.h | |
| parent | tcg/i386: Propagate is64 to tcg_out_qemu_ld_slow_path (diff) | |
| download | qemu-75478279a0c1eafc7b69d5382356da138f58f1bd.tar.gz qemu-75478279a0c1eafc7b69d5382356da138f58f1bd.tar.xz qemu-75478279a0c1eafc7b69d5382356da138f58f1bd.zip | |
tcg/i386: Implement INDEX_op_extr{lh}_i64_i32 for 32-bit guests
This preserves the invariant that all TCG_TYPE_I32 values are
zero-extended in the 64-bit host register.
Reviewed-by: Emilio G. Cota <cota@braap.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tcg/i386/tcg-target.h')
| -rw-r--r-- | tcg/i386/tcg-target.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/tcg/i386/tcg-target.h b/tcg/i386/tcg-target.h index 2441658865..c523d5f5e1 100644 --- a/tcg/i386/tcg-target.h +++ b/tcg/i386/tcg-target.h @@ -135,8 +135,9 @@ extern bool have_avx2; #define TCG_TARGET_HAS_direct_jump 1 #if TCG_TARGET_REG_BITS == 64 -#define TCG_TARGET_HAS_extrl_i64_i32 0 -#define TCG_TARGET_HAS_extrh_i64_i32 0 +/* Keep target addresses zero-extended in a register. */ +#define TCG_TARGET_HAS_extrl_i64_i32 (TARGET_LONG_BITS == 32) +#define TCG_TARGET_HAS_extrh_i64_i32 (TARGET_LONG_BITS == 32) #define TCG_TARGET_HAS_div2_i64 1 #define TCG_TARGET_HAS_rot_i64 1 #define TCG_TARGET_HAS_ext8s_i64 1 |