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From: "Philippe Mathieu-Daudé" <philmd@linaro.org>
To: qemu-devel@nongnu.org
Cc: "Richard Henderson" <richard.henderson@linaro.org>,
	"Edgar E. Iglesias" <edgar.iglesias@gmail.com>,
	"Paolo Bonzini" <pbonzini@redhat.com>,
	"Philippe Mathieu-Daudé" <philmd@linaro.org>
Subject: [PATCH v2 8/8] target/cris: Fix a typo in gen_swapr()
Date: Wed, 23 Aug 2023 16:55:42 +0200	[thread overview]
Message-ID: <20230823145542.79633-9-philmd@linaro.org> (raw)
In-Reply-To: <20230823145542.79633-1-philmd@linaro.org>

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 target/cris/translate.c | 20 +++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)

diff --git a/target/cris/translate.c b/target/cris/translate.c
index 0b3d724281..42103b5558 100644
--- a/target/cris/translate.c
+++ b/target/cris/translate.c
@@ -411,15 +411,17 @@ static inline void t_gen_swapw(TCGv d, TCGv s)
     tcg_gen_or_tl(d, d, t);
 }
 
-/* Reverse the within each byte.
-   T0 = (((T0 << 7) & 0x80808080) |
-   ((T0 << 5) & 0x40404040) |
-   ((T0 << 3) & 0x20202020) |
-   ((T0 << 1) & 0x10101010) |
-   ((T0 >> 1) & 0x08080808) |
-   ((T0 >> 3) & 0x04040404) |
-   ((T0 >> 5) & 0x02020202) |
-   ((T0 >> 7) & 0x01010101));
+/*
+ * Reverse the bits within each byte.
+ *
+ *  T0 = ((T0 << 7) & 0x80808080)
+ *     | ((T0 << 5) & 0x40404040)
+ *     | ((T0 << 3) & 0x20202020)
+ *     | ((T0 << 1) & 0x10101010)
+ *     | ((T0 >> 1) & 0x08080808)
+ *     | ((T0 >> 3) & 0x04040404)
+ *     | ((T0 >> 5) & 0x02020202)
+ *     | ((T0 >> 7) & 0x01010101);
  */
 static void t_gen_swapr(TCGv d, TCGv s)
 {
-- 
2.41.0



  parent reply	other threads:[~2023-08-23 14:57 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-08-23 14:55 [PATCH v2 0/8] tcg: Document *swap* helper implementations Philippe Mathieu-Daudé
2023-08-23 14:55 ` [PATCH v2 1/8] tcg/tcg-op: Document bswap16_i32() byte pattern Philippe Mathieu-Daudé
2023-08-23 14:55 ` [PATCH v2 2/8] tcg/tcg-op: Document bswap16_i64() " Philippe Mathieu-Daudé
2023-08-23 14:55 ` [PATCH v2 3/8] tcg/tcg-op: Document bswap32_i32() " Philippe Mathieu-Daudé
2023-08-23 14:55 ` [PATCH v2 4/8] tcg/tcg-op: Document bswap32_i64() " Philippe Mathieu-Daudé
2023-08-23 14:55 ` [PATCH v2 5/8] tcg/tcg-op: Document bswap64_i64() " Philippe Mathieu-Daudé
2023-08-23 14:55 ` [PATCH v2 6/8] tcg/tcg-op: Document hswap_i32/64() " Philippe Mathieu-Daudé
2023-08-23 14:55 ` [PATCH v2 7/8] tcg/tcg-op: Document wswap_i64() " Philippe Mathieu-Daudé
2023-08-23 14:55 ` Philippe Mathieu-Daudé [this message]
2023-09-01 15:59   ` [PATCH v2 8/8] target/cris: Fix a typo in gen_swapr() Edgar E. Iglesias
2023-08-23 18:46 ` [PATCH v2 0/8] tcg: Document *swap* helper implementations Richard Henderson
2023-08-23 21:54   ` Philippe Mathieu-Daudé

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