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| author | Peter Maydell <peter.maydell@linaro.org> | 2012-09-26 19:48:55 +0100 |
|---|---|---|
| committer | Aurelien Jarno <aurelien@aurel32.net> | 2012-10-17 01:22:49 +0200 |
| commit | 4a1d241e3cc0a0cacb5de9084a4edb543d529d51 (patch) | |
| tree | 16bd94e602ab06f56664dc300b7333aa1dc04935 /tcg | |
| parent | 7fc645bf7a313d75904f8901f4e231008e79999a (diff) | |
| download | qemu-4a1d241e3cc0a0cacb5de9084a4edb543d529d51.zip qemu-4a1d241e3cc0a0cacb5de9084a4edb543d529d51.tar.gz qemu-4a1d241e3cc0a0cacb5de9084a4edb543d529d51.tar.bz2 | |
tcg/arm: Implement movcond_i32
Implement movcond_i32 for ARM, as the sequence
mov dst, v2 (implicitly done by the tcg common code)
cmp c1, c2
movCC dst, v1
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Diffstat (limited to 'tcg')
| -rw-r--r-- | tcg/arm/tcg-target.c | 10 | ||||
| -rw-r--r-- | tcg/arm/tcg-target.h | 2 |
2 files changed, 11 insertions, 1 deletions
diff --git a/tcg/arm/tcg-target.c b/tcg/arm/tcg-target.c index 3596bce..e790bf0 100644 --- a/tcg/arm/tcg-target.c +++ b/tcg/arm/tcg-target.c @@ -1572,6 +1572,15 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode opc, case INDEX_op_movi_i32: tcg_out_movi32(s, COND_AL, args[0], args[1]); break; + case INDEX_op_movcond_i32: + /* Constraints mean that v2 is always in the same register as dest, + * so we only need to do "if condition passed, move v1 to dest". + */ + tcg_out_dat_rI(s, COND_AL, ARITH_CMP, 0, + args[1], args[2], const_args[2]); + tcg_out_dat_rI(s, tcg_cond_to_arm_cond[args[5]], + ARITH_MOV, args[0], 0, args[3], const_args[3]); + break; case INDEX_op_add_i32: c = ARITH_ADD; goto gen_arith; @@ -1782,6 +1791,7 @@ static const TCGTargetOpDef arm_op_defs[] = { { INDEX_op_brcond_i32, { "r", "rI" } }, { INDEX_op_setcond_i32, { "r", "r", "rI" } }, + { INDEX_op_movcond_i32, { "r", "r", "rI", "rI", "0" } }, /* TODO: "r", "r", "r", "r", "ri", "ri" */ { INDEX_op_add2_i32, { "r", "r", "r", "r", "r", "r" } }, diff --git a/tcg/arm/tcg-target.h b/tcg/arm/tcg-target.h index e2299ca..0df3352 100644 --- a/tcg/arm/tcg-target.h +++ b/tcg/arm/tcg-target.h @@ -73,7 +73,7 @@ typedef enum { #define TCG_TARGET_HAS_nand_i32 0 #define TCG_TARGET_HAS_nor_i32 0 #define TCG_TARGET_HAS_deposit_i32 0 -#define TCG_TARGET_HAS_movcond_i32 0 +#define TCG_TARGET_HAS_movcond_i32 1 #define TCG_TARGET_HAS_GUEST_BASE |