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| author | Aurelien Jarno <aurelien@aurel32.net> | 2012-09-21 18:20:26 +0200 |
|---|---|---|
| committer | Aurelien Jarno <aurelien@aurel32.net> | 2012-09-22 15:10:20 +0200 |
| commit | 9a152519a9f767297c92b5840c91a22235295c8d (patch) | |
| tree | 51b4843de8404c7180737216b340c1d9a8a1a76a /tcg/mips/tcg-target.h | |
| parent | c1cf85c9acb847c4871c0b241ced8fabf410d502 (diff) | |
| download | qemu-9a152519a9f767297c92b5840c91a22235295c8d.tar.gz | |
tcg/mips: implement rotl/rotr ops on MIPS32R2
rotr operations can be optimized on MIPS32 Release 2 using the ROTR and
ROTRV instructions. Also implemented rotl operations by subtracting the
shift from 32.
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Diffstat (limited to 'tcg/mips/tcg-target.h')
| -rw-r--r-- | tcg/mips/tcg-target.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/tcg/mips/tcg-target.h b/tcg/mips/tcg-target.h index c5c13f71d3..470314cc99 100644 --- a/tcg/mips/tcg-target.h +++ b/tcg/mips/tcg-target.h @@ -80,7 +80,6 @@ typedef enum { #define TCG_TARGET_HAS_div_i32 1 #define TCG_TARGET_HAS_not_i32 1 #define TCG_TARGET_HAS_nor_i32 1 -#define TCG_TARGET_HAS_rot_i32 0 #define TCG_TARGET_HAS_ext8s_i32 1 #define TCG_TARGET_HAS_ext16s_i32 1 #define TCG_TARGET_HAS_andc_i32 0 @@ -94,9 +93,11 @@ typedef enum { #ifdef _MIPS_ARCH_MIPS32R2 #define TCG_TARGET_HAS_bswap16_i32 1 #define TCG_TARGET_HAS_bswap32_i32 1 +#define TCG_TARGET_HAS_rot_i32 1 #else #define TCG_TARGET_HAS_bswap16_i32 0 #define TCG_TARGET_HAS_bswap32_i32 0 +#define TCG_TARGET_HAS_rot_i32 0 #endif /* optional instructions automatically implemented */ |