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From: Richard Henderson <rth@twiddle.net>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [PATCH 02/25] target-alpha: Use the ctz and clz opcodes
Date: Wed, 16 Nov 2016 20:25:12 +0100	[thread overview]
Message-ID: <1479324335-2074-3-git-send-email-rth@twiddle.net> (raw)
In-Reply-To: <1479324335-2074-1-git-send-email-rth@twiddle.net>

Signed-off-by: Richard Henderson <rth@twiddle.net>
---
 target-alpha/helper.h     |  2 --
 target-alpha/int_helper.c | 10 ----------
 target-alpha/translate.c  |  4 ++--
 3 files changed, 2 insertions(+), 14 deletions(-)

diff --git a/target-alpha/helper.h b/target-alpha/helper.h
index 004221d..eed3906 100644
--- a/target-alpha/helper.h
+++ b/target-alpha/helper.h
@@ -4,8 +4,6 @@ DEF_HELPER_FLAGS_1(load_pcc, TCG_CALL_NO_RWG_SE, i64, env)
 DEF_HELPER_FLAGS_3(check_overflow, TCG_CALL_NO_WG, void, env, i64, i64)
 
 DEF_HELPER_FLAGS_1(ctpop, TCG_CALL_NO_RWG_SE, i64, i64)
-DEF_HELPER_FLAGS_1(ctlz, TCG_CALL_NO_RWG_SE, i64, i64)
-DEF_HELPER_FLAGS_1(cttz, TCG_CALL_NO_RWG_SE, i64, i64)
 
 DEF_HELPER_FLAGS_2(zap, TCG_CALL_NO_RWG_SE, i64, i64, i64)
 DEF_HELPER_FLAGS_2(zapnot, TCG_CALL_NO_RWG_SE, i64, i64, i64)
diff --git a/target-alpha/int_helper.c b/target-alpha/int_helper.c
index 19bebfe..3c303bd 100644
--- a/target-alpha/int_helper.c
+++ b/target-alpha/int_helper.c
@@ -29,16 +29,6 @@ uint64_t helper_ctpop(uint64_t arg)
     return ctpop64(arg);
 }
 
-uint64_t helper_ctlz(uint64_t arg)
-{
-    return clz64(arg);
-}
-
-uint64_t helper_cttz(uint64_t arg)
-{
-    return ctz64(arg);
-}
-
 uint64_t helper_zapnot(uint64_t val, uint64_t mskb)
 {
     uint64_t mask;
diff --git a/target-alpha/translate.c b/target-alpha/translate.c
index 5ac2277..6e2e563 100644
--- a/target-alpha/translate.c
+++ b/target-alpha/translate.c
@@ -2555,14 +2555,14 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn)
             REQUIRE_TB_FLAG(TB_FLAGS_AMASK_CIX);
             REQUIRE_REG_31(ra);
             REQUIRE_NO_LIT;
-            gen_helper_ctlz(vc, vb);
+            tcg_gen_clzi_i64(vc, vb, 64);
             break;
         case 0x33:
             /* CTTZ */
             REQUIRE_TB_FLAG(TB_FLAGS_AMASK_CIX);
             REQUIRE_REG_31(ra);
             REQUIRE_NO_LIT;
-            gen_helper_cttz(vc, vb);
+            tcg_gen_ctzi_i64(vc, vb, 64);
             break;
         case 0x34:
             /* UNPKBW */
-- 
2.7.4

  parent reply	other threads:[~2016-11-16 19:25 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-11-16 19:25 [Qemu-devel] [PATCH 00/25] tcg: Handle clz, ctz, and clrsb generically Richard Henderson
2016-11-16 19:25 ` [Qemu-devel] [PATCH 01/25] tcg: Add clz and ctz opcodes Richard Henderson
2016-11-21 15:11   ` Alex Bennée
2016-11-21 16:05     ` Richard Henderson
2016-11-16 19:25 ` Richard Henderson [this message]
2016-11-16 19:25 ` [Qemu-devel] [PATCH 03/25] target-cris: Use clz opcode Richard Henderson
2016-11-16 19:25 ` [Qemu-devel] [PATCH 04/25] target-microblaze: " Richard Henderson
2016-11-16 19:25 ` [Qemu-devel] [PATCH 05/25] target-mips: " Richard Henderson
2016-11-16 19:25 ` [Qemu-devel] [PATCH 06/25] target-openrisc: Use clz and ctz opcodes Richard Henderson
2016-11-16 19:25 ` [Qemu-devel] [PATCH 07/25] target-ppc: " Richard Henderson
2016-11-17  3:09   ` David Gibson
2016-11-16 19:25 ` [Qemu-devel] [PATCH 08/25] target-s390x: Use clz opcode Richard Henderson
2016-11-16 19:25 ` [Qemu-devel] [PATCH 09/25] target-tilegx: Use clz and ctz opcodes Richard Henderson
2016-11-16 19:25 ` [Qemu-devel] [PATCH 10/25] target-tricore: Use clz opcode Richard Henderson
2016-11-17 14:42   ` Bastian Koppelmann
2016-11-17 15:47     ` Bastian Koppelmann
2016-11-16 19:25 ` [Qemu-devel] [PATCH 11/25] target-unicore32: " Richard Henderson
2016-11-16 19:25 ` [Qemu-devel] [PATCH 12/25] target-xtensa: " Richard Henderson
2016-11-16 19:25 ` [Qemu-devel] [PATCH 13/25] target-arm: " Richard Henderson
2016-11-16 19:25 ` [Qemu-devel] [PATCH 14/25] target-i386: Use clz and ctz opcodes Richard Henderson
2016-11-16 19:25 ` [Qemu-devel] [PATCH 15/25] disas/i386.c: Handle tzcnt Richard Henderson
2016-11-16 19:25 ` [Qemu-devel] [PATCH 16/25] tcg/i386: Handle ctz and clz opcodes Richard Henderson
2016-11-17 16:50   ` Bastian Koppelmann
2016-11-17 19:53     ` Richard Henderson
2016-11-17 19:59       ` Richard Henderson
2016-11-17 22:09         ` Bastian Koppelmann
2016-11-17 23:03           ` Richard Henderson
2016-11-18 12:48             ` Bastian Koppelmann
2016-11-21 10:37               ` Richard Henderson
2016-11-16 19:25 ` [Qemu-devel] [PATCH 17/25] tcg/ppc: " Richard Henderson
2016-11-16 19:25 ` [Qemu-devel] [PATCH 18/25] tcg/aarch64: " Richard Henderson
2016-11-17 11:53   ` Richard Henderson
2016-11-22 10:41     ` Alex Bennée
2016-11-16 19:25 ` [Qemu-devel] [PATCH 19/25] tcg/arm: " Richard Henderson
2016-11-16 19:25 ` [Qemu-devel] [PATCH 20/25] tcg/mips: Handle clz opcode Richard Henderson
2016-11-16 19:25 ` [Qemu-devel] [PATCH 21/25] tcg/s390: " Richard Henderson
2016-11-16 19:25 ` [Qemu-devel] [PATCH 22/25] tcg: Add helpers for clrsb Richard Henderson
2016-11-16 19:25 ` [Qemu-devel] [PATCH 23/25] target-arm: Use clrsb helper Richard Henderson
2016-11-16 19:25 ` [Qemu-devel] [PATCH 24/25] target-tricore: " Richard Henderson
2016-11-16 19:25 ` [Qemu-devel] [PATCH 25/25] target-xtensa: " Richard Henderson

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