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From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Cc: qemu-arm@nongnu.org, Peter Maydell <peter.maydell@linaro.org>
Subject: [PATCH v3 18/33] target/arm: Use TCG_COND_TSTNE in gen_cmtst_{i32, i64}
Date: Tue, 28 May 2024 13:30:29 -0700	[thread overview]
Message-ID: <20240528203044.612851-19-richard.henderson@linaro.org> (raw)
In-Reply-To: <20240528203044.612851-1-richard.henderson@linaro.org>

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/arm/tcg/gengvec.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/target/arm/tcg/gengvec.c b/target/arm/tcg/gengvec.c
index 6dc96269d5..e64ca02e0c 100644
--- a/target/arm/tcg/gengvec.c
+++ b/target/arm/tcg/gengvec.c
@@ -934,14 +934,12 @@ void gen_gvec_mls(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
 /* CMTST : test is "if (X & Y != 0)". */
 static void gen_cmtst_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b)
 {
-    tcg_gen_and_i32(d, a, b);
-    tcg_gen_negsetcond_i32(TCG_COND_NE, d, d, tcg_constant_i32(0));
+    tcg_gen_negsetcond_i32(TCG_COND_TSTNE, d, a, b);
 }
 
 void gen_cmtst_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b)
 {
-    tcg_gen_and_i64(d, a, b);
-    tcg_gen_negsetcond_i64(TCG_COND_NE, d, d, tcg_constant_i64(0));
+    tcg_gen_negsetcond_i64(TCG_COND_TSTNE, d, a, b);
 }
 
 static void gen_cmtst_vec(unsigned vece, TCGv_vec d, TCGv_vec a, TCGv_vec b)
-- 
2.34.1



  parent reply	other threads:[~2024-05-28 20:33 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-28 20:30 [PATCH v3 00/33] target/arm: Convert a64 advsimd to decodetree (part 1b) Richard Henderson
2024-05-28 20:30 ` [PATCH v3 01/33] target/arm: Diagnose UNPREDICTABLE operands to PLD, PLDW, PLI Richard Henderson
2024-05-28 20:30 ` [PATCH v3 02/33] target/arm: Improve vector UQADD, UQSUB, SQADD, SQSUB Richard Henderson
2024-05-28 20:30 ` [PATCH v3 03/33] target/arm: Assert oprsz in range when using vfp.qc Richard Henderson
2024-05-30 14:14   ` Peter Maydell
2024-05-28 20:30 ` [PATCH v3 04/33] target/arm: Convert SUQADD and USQADD to gvec Richard Henderson
2024-05-30 14:18   ` Peter Maydell
2024-05-28 20:30 ` [PATCH v3 05/33] target/arm: Inline scalar SUQADD and USQADD Richard Henderson
2024-05-28 20:30 ` [PATCH v3 06/33] target/arm: Inline scalar SQADD, UQADD, SQSUB, UQSUB Richard Henderson
2024-05-28 20:30 ` [PATCH v3 07/33] target/arm: Convert SQADD, SQSUB, UQADD, UQSUB to decodetree Richard Henderson
2024-05-28 20:30 ` [PATCH v3 08/33] target/arm: Convert SUQADD, USQADD " Richard Henderson
2024-05-28 20:30 ` [PATCH v3 09/33] target/arm: Convert SSHL, USHL " Richard Henderson
2024-05-28 20:30 ` [PATCH v3 10/33] target/arm: Convert SRSHL and URSHL (register) to gvec Richard Henderson
2024-05-30 14:12   ` Peter Maydell
2024-05-28 20:30 ` [PATCH v3 11/33] target/arm: Convert SRSHL, URSHL to decodetree Richard Henderson
2024-05-28 20:30 ` [PATCH v3 12/33] target/arm: Convert SQSHL and UQSHL (register) to gvec Richard Henderson
2024-05-30 14:12   ` Peter Maydell
2024-05-28 20:30 ` [PATCH v3 13/33] target/arm: Convert SQSHL, UQSHL to decodetree Richard Henderson
2024-05-28 20:30 ` [PATCH v3 14/33] target/arm: Convert SQRSHL and UQRSHL (register) to gvec Richard Henderson
2024-05-28 20:30 ` [PATCH v3 15/33] target/arm: Convert SQRSHL, UQRSHL to decodetree Richard Henderson
2024-05-28 20:30 ` [PATCH v3 16/33] target/arm: Convert ADD, SUB (vector) " Richard Henderson
2024-05-28 20:30 ` [PATCH v3 17/33] target/arm: Convert CMGT, CMHI, CMGE, CMHS, CMTST, CMEQ " Richard Henderson
2024-05-28 20:30 ` Richard Henderson [this message]
2024-05-28 20:30 ` [PATCH v3 19/33] target/arm: Use TCG_COND_TSTNE in gen_cmtst_vec Richard Henderson
2024-05-28 20:30 ` [PATCH v3 20/33] target/arm: Convert SHADD, UHADD to gvec Richard Henderson
2024-05-28 20:30 ` [PATCH v3 21/33] target/arm: Convert SHADD, UHADD to decodetree Richard Henderson
2024-05-28 20:30 ` [PATCH v3 22/33] target/arm: Convert SHSUB, UHSUB to gvec Richard Henderson
2024-05-28 20:30 ` [PATCH v3 23/33] target/arm: Convert SHSUB, UHSUB to decodetree Richard Henderson
2024-05-28 20:30 ` [PATCH v3 24/33] target/arm: Convert SRHADD, URHADD to gvec Richard Henderson
2024-05-28 20:30 ` [PATCH v3 25/33] target/arm: Convert SRHADD, URHADD to decodetree Richard Henderson
2024-05-28 20:30 ` [PATCH v3 26/33] target/arm: Convert SMAX, SMIN, UMAX, UMIN " Richard Henderson
2024-05-28 20:30 ` [PATCH v3 27/33] target/arm: Convert SABA, SABD, UABA, UABD " Richard Henderson
2024-05-28 20:30 ` [PATCH v3 28/33] target/arm: Convert MUL, PMUL " Richard Henderson
2024-05-28 20:30 ` [PATCH v3 29/33] target/arm: Convert MLA, MLS " Richard Henderson
2024-05-28 20:30 ` [PATCH v3 30/33] target/arm: Tidy SQDMULH, SQRDMULH (vector) Richard Henderson
2024-05-28 20:30 ` [PATCH v3 31/33] target/arm: Convert SQDMULH, SQRDMULH to decodetree Richard Henderson
2024-05-30 14:10   ` Peter Maydell
2024-05-28 20:30 ` [PATCH v3 32/33] target/arm: Convert FMADD, FMSUB, FNMADD, FNMSUB " Richard Henderson
2024-05-30 14:06   ` Peter Maydell
2024-05-28 20:30 ` [PATCH v3 33/33] target/arm: Convert FCSEL " Richard Henderson
2024-05-30 14:32 ` [PATCH v3 00/33] target/arm: Convert a64 advsimd to decodetree (part 1b) Peter Maydell

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