diff options
| author | Richard Henderson <rth@twiddle.net> | 2010-03-19 12:00:26 -0700 |
|---|---|---|
| committer | Aurelien Jarno <aurelien@aurel32.net> | 2010-03-26 23:01:03 +0100 |
| commit | 86feb1c860dc38e9c89e787c5210e8191800385e (patch) | |
| tree | 2ccf426a9d8f4499751e14213a239cc7df58c054 /tcg/x86_64 | |
| parent | 32d98fbd10415433283a6cbdde86c3305b0ba8c2 (diff) | |
tcg: Disambiguate qemu_ld32u with 32-bit and 64-bit outputs.
Some targets (e.g. Alpha and MIPS64) need to keep 32-bit operands
sign-extended in 64-bit registers (regardless of the "real" sign
of the operand). For that, we need to be able to distinguish
between a 32-bit load with a 32-bit result and a 32-bit load with
a given extension to a 64-bit result. This distinction already
exists for the ld* loads, but not the qemu_ld* loads.
Reserve qemu_ld32u for 64-bit outputs and introduce qemu_ld32 for
32-bit outputs. Adjust all code generators to match.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Diffstat (limited to 'tcg/x86_64')
| -rw-r--r-- | tcg/x86_64/tcg-target.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/tcg/x86_64/tcg-target.c b/tcg/x86_64/tcg-target.c index 52812890de..3892f7586c 100644 --- a/tcg/x86_64/tcg-target.c +++ b/tcg/x86_64/tcg-target.c @@ -1238,6 +1238,7 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args, case INDEX_op_qemu_ld16s: tcg_out_qemu_ld(s, args, 1 | 4); break; + case INDEX_op_qemu_ld32: case INDEX_op_qemu_ld32u: tcg_out_qemu_ld(s, args, 2); break; @@ -1412,6 +1413,7 @@ static const TCGTargetOpDef x86_64_op_defs[] = { { INDEX_op_qemu_ld8s, { "r", "L" } }, { INDEX_op_qemu_ld16u, { "r", "L" } }, { INDEX_op_qemu_ld16s, { "r", "L" } }, + { INDEX_op_qemu_ld32, { "r", "L" } }, { INDEX_op_qemu_ld32u, { "r", "L" } }, { INDEX_op_qemu_ld32s, { "r", "L" } }, { INDEX_op_qemu_ld64, { "r", "L" } }, |