From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:57976) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UMsln-0003EW-Ep for qemu-devel@nongnu.org; Tue, 02 Apr 2013 00:24:32 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UMsli-0007PZ-6q for qemu-devel@nongnu.org; Tue, 02 Apr 2013 00:24:27 -0400 Received: from mail-yh0-x236.google.com ([2607:f8b0:4002:c01::236]:57359) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UMsli-0007PU-15 for qemu-devel@nongnu.org; Tue, 02 Apr 2013 00:24:22 -0400 Received: by mail-yh0-f54.google.com with SMTP id 29so3055yhr.13 for ; Mon, 01 Apr 2013 21:24:21 -0700 (PDT) Sender: Richard Henderson From: Richard Henderson Date: Mon, 1 Apr 2013 21:23:18 -0700 Message-Id: <1364876610-3933-16-git-send-email-rth@twiddle.net> In-Reply-To: <1364876610-3933-1-git-send-email-rth@twiddle.net> References: <1364876610-3933-1-git-send-email-rth@twiddle.net> Subject: [Qemu-devel] [PATCH v3 15/27] tcg-ppc64: Implement rotates List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: av1474@comtv.ru, agraf@suse.de, aurelien@aurel32.net Reviewed-by: Aurelien Jarno Signed-off-by: Richard Henderson --- tcg/ppc64/tcg-target.c | 39 +++++++++++++++++++++++++++++++++++++++ tcg/ppc64/tcg-target.h | 4 ++-- 2 files changed, 41 insertions(+), 2 deletions(-) diff --git a/tcg/ppc64/tcg-target.c b/tcg/ppc64/tcg-target.c index 8c19f98..c512714 100644 --- a/tcg/ppc64/tcg-target.c +++ b/tcg/ppc64/tcg-target.c @@ -336,11 +336,14 @@ static int tcg_target_const_match (tcg_target_long val, #define LWZU OPCD( 33) #define STWU OPCD( 37) +#define RLWIMI OPCD( 20) #define RLWINM OPCD( 21) +#define RLWNM OPCD( 23) #define RLDICL XO30( 0) #define RLDICR XO30( 1) #define RLDIMI XO30( 3) +#define RLDCL XO30( 8) #define BCLR XO19( 16) #define BCCTR XO19(528) @@ -1467,6 +1470,23 @@ static void tcg_out_op (TCGContext *s, TCGOpcode opc, const TCGArg *args, else tcg_out32 (s, SRAW | SAB (args[1], args[0], args[2])); break; + case INDEX_op_rotl_i32: + if (const_args[2]) { + tcg_out_rlw(s, RLWINM, args[0], args[1], args[2], 0, 31); + } else { + tcg_out32(s, RLWNM | SAB(args[1], args[0], args[2]) + | MB(0) | ME(31)); + } + break; + case INDEX_op_rotr_i32: + if (const_args[2]) { + tcg_out_rlw(s, RLWINM, args[0], args[1], 32 - args[2], 0, 31); + } else { + tcg_out32(s, SUBFIC | TAI(0, args[2], 32)); + tcg_out32(s, RLWNM | SAB(args[1], args[0], args[2]) + | MB(0) | ME(31)); + } + break; case INDEX_op_brcond_i32: tcg_out_brcond (s, args[2], args[0], args[1], const_args[1], args[3], 0); @@ -1549,6 +1569,21 @@ static void tcg_out_op (TCGContext *s, TCGOpcode opc, const TCGArg *args, else tcg_out32 (s, SRAD | SAB (args[1], args[0], args[2])); break; + case INDEX_op_rotl_i64: + if (const_args[2]) { + tcg_out_rld(s, RLDICL, args[0], args[1], args[2], 0); + } else { + tcg_out32(s, RLDCL | SAB(args[1], args[0], args[2]) | MB64(0)); + } + break; + case INDEX_op_rotr_i64: + if (const_args[2]) { + tcg_out_rld(s, RLDICL, args[0], args[1], 64 - args[2], 0); + } else { + tcg_out32(s, SUBFIC | TAI(0, args[2], 64)); + tcg_out32(s, RLDCL | SAB(args[1], args[0], 0) | MB64(0)); + } + break; case INDEX_op_mul_i64: tcg_out32 (s, MULLD | TAB (args[0], args[1], args[2])); @@ -1685,6 +1720,8 @@ static const TCGTargetOpDef ppc_op_defs[] = { { INDEX_op_shl_i32, { "r", "r", "ri" } }, { INDEX_op_shr_i32, { "r", "r", "ri" } }, { INDEX_op_sar_i32, { "r", "r", "ri" } }, + { INDEX_op_rotl_i32, { "r", "r", "ri" } }, + { INDEX_op_rotr_i32, { "r", "r", "ri" } }, { INDEX_op_brcond_i32, { "r", "ri" } }, { INDEX_op_brcond_i64, { "r", "ri" } }, @@ -1701,6 +1738,8 @@ static const TCGTargetOpDef ppc_op_defs[] = { { INDEX_op_shl_i64, { "r", "r", "ri" } }, { INDEX_op_shr_i64, { "r", "r", "ri" } }, { INDEX_op_sar_i64, { "r", "r", "ri" } }, + { INDEX_op_rotl_i64, { "r", "r", "ri" } }, + { INDEX_op_rotr_i64, { "r", "r", "ri" } }, { INDEX_op_mul_i64, { "r", "r", "r" } }, { INDEX_op_div_i64, { "r", "r", "r" } }, diff --git a/tcg/ppc64/tcg-target.h b/tcg/ppc64/tcg-target.h index aa6a0f0..dbefe7d 100644 --- a/tcg/ppc64/tcg-target.h +++ b/tcg/ppc64/tcg-target.h @@ -69,7 +69,7 @@ typedef enum { /* optional instructions */ #define TCG_TARGET_HAS_div_i32 1 -#define TCG_TARGET_HAS_rot_i32 0 +#define TCG_TARGET_HAS_rot_i32 1 #define TCG_TARGET_HAS_ext8s_i32 1 #define TCG_TARGET_HAS_ext16s_i32 1 #define TCG_TARGET_HAS_ext8u_i32 0 @@ -91,7 +91,7 @@ typedef enum { #define TCG_TARGET_HAS_muls2_i32 0 #define TCG_TARGET_HAS_div_i64 1 -#define TCG_TARGET_HAS_rot_i64 0 +#define TCG_TARGET_HAS_rot_i64 1 #define TCG_TARGET_HAS_ext8s_i64 1 #define TCG_TARGET_HAS_ext16s_i64 1 #define TCG_TARGET_HAS_ext32s_i64 1 -- 1.8.1.4