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From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Cc: qemu-arm@nongnu.org, qemu-ppc@nongnu.org, qemu-s390x@nongnu.org,
	qemu-riscv@nongnu.org, pbonzini@redhat.com, eduardo@habkost.net,
	"Ilya Leoshkevich" <iii@linux.ibm.com>,
	"Philippe Mathieu-Daudé" <philmd@linaro.org>
Subject: [PATCH v4 27/36] target/s390x: Use Int128 for return from CKSM
Date: Sat,  7 Jan 2023 18:37:10 -0800	[thread overview]
Message-ID: <20230108023719.2466341-28-richard.henderson@linaro.org> (raw)
In-Reply-To: <20230108023719.2466341-1-richard.henderson@linaro.org>

Acked-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/s390x/helper.h         | 2 +-
 target/s390x/tcg/mem_helper.c | 7 +++----
 target/s390x/tcg/translate.c  | 6 ++++--
 3 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/target/s390x/helper.h b/target/s390x/helper.h
index 25c2dd0b3c..03b29efa3e 100644
--- a/target/s390x/helper.h
+++ b/target/s390x/helper.h
@@ -103,7 +103,7 @@ DEF_HELPER_4(tre, i64, env, i64, i64, i64)
 DEF_HELPER_4(trt, i32, env, i32, i64, i64)
 DEF_HELPER_4(trtr, i32, env, i32, i64, i64)
 DEF_HELPER_5(trXX, i32, env, i32, i32, i32, i32)
-DEF_HELPER_4(cksm, i64, env, i64, i64, i64)
+DEF_HELPER_4(cksm, i128, env, i64, i64, i64)
 DEF_HELPER_FLAGS_5(calc_cc, TCG_CALL_NO_RWG_SE, i32, env, i32, i64, i64, i64)
 DEF_HELPER_FLAGS_2(sfpc, TCG_CALL_NO_WG, void, env, i64)
 DEF_HELPER_FLAGS_2(sfas, TCG_CALL_NO_WG, void, env, i64)
diff --git a/target/s390x/tcg/mem_helper.c b/target/s390x/tcg/mem_helper.c
index 9be42851d8..b0b403e23a 100644
--- a/target/s390x/tcg/mem_helper.c
+++ b/target/s390x/tcg/mem_helper.c
@@ -1350,8 +1350,8 @@ uint32_t HELPER(clclu)(CPUS390XState *env, uint32_t r1, uint64_t a2,
 }
 
 /* checksum */
-uint64_t HELPER(cksm)(CPUS390XState *env, uint64_t r1,
-                      uint64_t src, uint64_t src_len)
+Int128 HELPER(cksm)(CPUS390XState *env, uint64_t r1,
+                    uint64_t src, uint64_t src_len)
 {
     uintptr_t ra = GETPC();
     uint64_t max_len, len;
@@ -1392,8 +1392,7 @@ uint64_t HELPER(cksm)(CPUS390XState *env, uint64_t r1,
     env->cc_op = (len == src_len ? 0 : 3);
 
     /* Return both cksm and processed length.  */
-    env->retxl = cksm;
-    return len;
+    return int128_make128(cksm, len);
 }
 
 void HELPER(pack)(CPUS390XState *env, uint32_t len, uint64_t dest, uint64_t src)
diff --git a/target/s390x/tcg/translate.c b/target/s390x/tcg/translate.c
index 8397fe2bd8..1a7aa9e4ae 100644
--- a/target/s390x/tcg/translate.c
+++ b/target/s390x/tcg/translate.c
@@ -2041,11 +2041,13 @@ static DisasJumpType op_cxlgb(DisasContext *s, DisasOps *o)
 static DisasJumpType op_cksm(DisasContext *s, DisasOps *o)
 {
     int r2 = get_field(s, r2);
+    TCGv_i128 pair = tcg_temp_new_i128();
     TCGv_i64 len = tcg_temp_new_i64();
 
-    gen_helper_cksm(len, cpu_env, o->in1, o->in2, regs[r2 + 1]);
+    gen_helper_cksm(pair, cpu_env, o->in1, o->in2, regs[r2 + 1]);
     set_cc_static(s);
-    return_low128(o->out);
+    tcg_gen_extr_i128_i64(o->out, len, pair);
+    tcg_temp_free_i128(pair);
 
     tcg_gen_add_i64(regs[r2], regs[r2], len);
     tcg_gen_sub_i64(regs[r2 + 1], regs[r2 + 1], len);
-- 
2.34.1



  parent reply	other threads:[~2023-01-08  2:49 UTC|newest]

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-08  2:36 [PATCH v4 00/36] tcg: Support for Int128 with helpers Richard Henderson
2023-01-08  2:36 ` [PATCH v4 01/36] tcg: Define TCG_TYPE_I128 and related helper macros Richard Henderson
2023-01-10 23:27   ` Alex Bennée
2023-01-24 23:44   ` Philippe Mathieu-Daudé
2023-01-08  2:36 ` [PATCH v4 02/36] tcg: Handle dh_typecode_i128 with TCG_CALL_{RET, ARG}_NORMAL Richard Henderson
2023-01-11  7:59   ` Alex Bennée
2023-01-08  2:36 ` [PATCH v4 03/36] tcg: Allocate objects contiguously in temp_allocate_frame Richard Henderson
2023-01-11  9:59   ` Alex Bennée
2023-01-11 15:06     ` Richard Henderson
2023-01-08  2:36 ` [PATCH v4 04/36] tcg: Introduce tcg_out_addi_ptr Richard Henderson
2023-01-25  8:31   ` Alex Bennée
2023-01-08  2:36 ` [PATCH v4 05/36] tcg: Add TCG_CALL_{RET,ARG}_BY_REF Richard Henderson
2023-01-08  2:36 ` [PATCH v4 06/36] tcg: Introduce tcg_target_call_oarg_reg Richard Henderson
2023-01-25 21:09   ` Alex Bennée
2023-01-26  4:11     ` Richard Henderson
2023-01-08  2:36 ` [PATCH v4 07/36] tcg: Add TCG_CALL_RET_BY_VEC Richard Henderson
2023-01-25 21:13   ` Alex Bennée
2023-01-08  2:36 ` [PATCH v4 08/36] include/qemu/int128: Use Int128 structure for TCI Richard Henderson
2023-01-24 23:59   ` Philippe Mathieu-Daudé
2023-01-08  2:36 ` [PATCH v4 09/36] tcg/i386: Add TCG_TARGET_CALL_{RET,ARG}_I128 Richard Henderson
2023-01-08  2:36 ` [PATCH v4 10/36] tcg/tci: Fix big-endian return register ordering Richard Henderson
2023-01-11 11:37   ` Philippe Mathieu-Daudé
2023-01-08  2:36 ` [PATCH v4 11/36] tcg/tci: Add TCG_TARGET_CALL_{RET,ARG}_I128 Richard Henderson
2023-01-08  2:36 ` [PATCH v4 12/36] tcg: " Richard Henderson
2023-01-08  2:36 ` [PATCH v4 13/36] tcg: Add temp allocation for TCGv_i128 Richard Henderson
2023-01-25  0:13   ` Philippe Mathieu-Daudé
2023-01-08  2:36 ` [PATCH v4 14/36] tcg: Add basic data movement " Richard Henderson
2023-01-11 11:41   ` Philippe Mathieu-Daudé
2023-01-08  2:36 ` [PATCH v4 15/36] tcg: Add guest load/store primitives " Richard Henderson
2023-01-08  2:36 ` [PATCH v4 16/36] tcg: Add tcg_gen_{non}atomic_cmpxchg_i128 Richard Henderson
2023-01-08  2:37 ` [PATCH v4 17/36] tcg: Split out tcg_gen_nonatomic_cmpxchg_i{32,64} Richard Henderson
2023-01-08  2:37 ` [PATCH v4 18/36] target/arm: Use tcg_gen_atomic_cmpxchg_i128 for STXP Richard Henderson
2023-01-08  2:37 ` [PATCH v4 19/36] target/arm: Use tcg_gen_atomic_cmpxchg_i128 for CASP Richard Henderson
2023-01-08  2:37 ` [PATCH v4 20/36] target/ppc: Use tcg_gen_atomic_cmpxchg_i128 for STQCX Richard Henderson
2023-01-08  2:37 ` [PATCH v4 21/36] tests/tcg/s390x: Add div.c Richard Henderson
2023-01-08  2:37 ` [PATCH v4 22/36] tests/tcg/s390x: Add clst.c Richard Henderson
2023-01-08  2:37 ` [PATCH v4 23/36] tests/tcg/s390x: Add long-double.c Richard Henderson
2023-01-08  2:37 ` [PATCH v4 24/36] target/s390x: Use a single return for helper_divs32/u32 Richard Henderson
2023-01-08  2:37 ` [PATCH v4 25/36] target/s390x: Use a single return for helper_divs64/u64 Richard Henderson
2023-01-08  2:37 ` [PATCH v4 26/36] target/s390x: Use Int128 for return from CLST Richard Henderson
2023-01-08  2:37 ` Richard Henderson [this message]
2023-01-08  2:37 ` [PATCH v4 28/36] target/s390x: Use Int128 for return from TRE Richard Henderson
2023-01-08  2:37 ` [PATCH v4 29/36] target/s390x: Copy wout_x1 to wout_x1_P Richard Henderson
2023-01-08  2:37 ` [PATCH v4 30/36] target/s390x: Use Int128 for returning float128 Richard Henderson
2023-01-08  2:37 ` [PATCH v4 31/36] target/s390x: Use Int128 for passing float128 Richard Henderson
2023-01-08  2:37 ` [PATCH v4 32/36] target/s390x: Use tcg_gen_atomic_cmpxchg_i128 for CDSG Richard Henderson
2023-01-08  2:37 ` [PATCH v4 33/36] target/s390x: Implement CC_OP_NZ in gen_op_calc_cc Richard Henderson
2023-01-08  2:37 ` [PATCH v4 34/36] target/i386: Split out gen_cmpxchg8b, gen_cmpxchg16b Richard Henderson
2023-01-25 22:53   ` Philippe Mathieu-Daudé
2023-01-08  2:37 ` [PATCH v4 35/36] target/i386: Inline cmpxchg8b Richard Henderson
2023-01-08  2:37 ` [PATCH v4 36/36] target/i386: Inline cmpxchg16b Richard Henderson
2023-01-10 23:12 ` [PATCH v4 00/36] tcg: Support for Int128 with helpers Mark Cave-Ayland
2023-01-24 21:46   ` Richard Henderson
2023-01-24 21:54 ` Richard Henderson
2023-01-25 21:50 ` Alex Bennée

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