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From: "Alex Bennée" <alex.bennee@linaro.org>
To: richard.henderson@linaro.org, peter.maydell@linaro.org,
	laurent@vivier.eu, bharata@linux.vnet.ibm.com,
	andrew@andrewdutcher.com
Cc: qemu-devel@nongnu.org, "Alex Bennée" <alex.bennee@linaro.org>,
	"Aurelien Jarno" <aurelien@aurel32.net>
Subject: [Qemu-devel] [PATCH v4 07/22] include/fpu/softfloat: implement float16_set_sign helper
Date: Tue,  6 Feb 2018 16:48:00 +0000	[thread overview]
Message-ID: <20180206164815.10084-8-alex.bennee@linaro.org> (raw)
In-Reply-To: <20180206164815.10084-1-alex.bennee@linaro.org>

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
 include/fpu/softfloat.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/fpu/softfloat.h b/include/fpu/softfloat.h
index f75aa59100..59c06ef192 100644
--- a/include/fpu/softfloat.h
+++ b/include/fpu/softfloat.h
@@ -281,6 +281,11 @@ static inline float16 float16_chs(float16 a)
     return make_float16(float16_val(a) ^ 0x8000);
 }
 
+static inline float16 float16_set_sign(float16 a, int sign)
+{
+    return make_float16((float16_val(a) & 0x7fff) | (sign << 15));
+}
+
 /*----------------------------------------------------------------------------
 | The pattern for a default generated half-precision NaN.
 *----------------------------------------------------------------------------*/
-- 
2.15.1

  parent reply	other threads:[~2018-02-06 16:48 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-06 16:47 [Qemu-devel] [PATCH v4 00/22] re-factor softfloat and add fp16 functions Alex Bennée
2018-02-06 16:47 ` [Qemu-devel] [PATCH v4 01/22] fpu/softfloat: implement float16_squash_input_denormal Alex Bennée
2018-02-06 16:47 ` [Qemu-devel] [PATCH v4 02/22] include/fpu/softfloat: remove USE_SOFTFLOAT_STRUCT_TYPES Alex Bennée
2018-02-06 16:47 ` [Qemu-devel] [PATCH v4 03/22] fpu/softfloat-types: new header to prevent excessive re-builds Alex Bennée
2018-02-06 16:47 ` [Qemu-devel] [PATCH v4 04/22] target/*/cpu.h: remove softfloat.h Alex Bennée
2018-02-06 16:47 ` [Qemu-devel] [PATCH v4 05/22] include/fpu/softfloat: implement float16_abs helper Alex Bennée
2018-02-06 16:47 ` [Qemu-devel] [PATCH v4 06/22] include/fpu/softfloat: implement float16_chs helper Alex Bennée
2018-02-06 16:48 ` Alex Bennée [this message]
2018-02-06 16:48 ` [Qemu-devel] [PATCH v4 08/22] include/fpu/softfloat: add some float16 constants Alex Bennée
2018-02-06 16:48 ` [Qemu-devel] [PATCH v4 09/22] fpu/softfloat: improve comments on ARM NaN propagation Alex Bennée
2018-02-06 16:48 ` [Qemu-devel] [PATCH v4 10/22] fpu/softfloat: move the extract functions to the top of the file Alex Bennée
2018-02-06 16:48 ` [Qemu-devel] [PATCH v4 11/22] fpu/softfloat: define decompose structures Alex Bennée
2018-02-06 16:48 ` [Qemu-devel] [PATCH v4 12/22] fpu/softfloat: re-factor add/sub Alex Bennée
2018-02-06 16:48 ` [Qemu-devel] [PATCH v4 13/22] fpu/softfloat: re-factor mul Alex Bennée
2018-02-13 15:20   ` Peter Maydell
2018-02-13 15:39     ` Richard Henderson
2018-02-19 16:04     ` Alex Bennée
2018-02-06 16:48 ` [Qemu-devel] [PATCH v4 14/22] fpu/softfloat: re-factor div Alex Bennée
2018-02-13 15:22   ` Peter Maydell
2018-02-06 16:48 ` [Qemu-devel] [PATCH v4 15/22] fpu/softfloat: re-factor muladd Alex Bennée
2018-02-06 16:48 ` [Qemu-devel] [PATCH v4 16/22] fpu/softfloat: re-factor round_to_int Alex Bennée
2018-02-13 15:14   ` Peter Maydell
2018-02-06 16:48 ` [Qemu-devel] [PATCH v4 17/22] fpu/softfloat: re-factor float to int/uint Alex Bennée
2018-02-06 16:48 ` [Qemu-devel] [PATCH v4 18/22] fpu/softfloat: re-factor int/uint to float Alex Bennée
2018-02-06 16:48 ` [Qemu-devel] [PATCH v4 19/22] fpu/softfloat: re-factor scalbn Alex Bennée
2018-02-06 16:48 ` [Qemu-devel] [PATCH v4 20/22] fpu/softfloat: re-factor minmax Alex Bennée
2018-02-06 16:48 ` [Qemu-devel] [PATCH v4 21/22] fpu/softfloat: re-factor compare Alex Bennée
2018-02-06 16:48 ` [Qemu-devel] [PATCH v4 22/22] fpu/softfloat: re-factor sqrt Alex Bennée
2018-02-13 15:50   ` Peter Maydell
2018-02-13 16:23     ` Richard Henderson
2018-02-13 16:34       ` Peter Maydell
2018-02-20 21:01     ` [Qemu-devel] [PATCH] fpu/softfloat: use hardware sqrt if we can (EXPERIMENT!) Alex Bennée
2018-02-21 20:44       ` Alex Bennée
2018-03-21 20:16       ` Emilio G. Cota
2018-02-13 17:50   ` [Qemu-devel] [PATCH v4 22/22] fpu/softfloat: re-factor sqrt Richard Henderson
2018-02-06 17:42 ` [Qemu-devel] [PATCH v4 00/22] re-factor softfloat and add fp16 functions no-reply
2018-02-13 14:52 ` Peter Maydell
2018-02-17 13:23   ` Alex Bennée
2018-02-19 13:56     ` Peter Maydell
2018-02-22  1:23       ` Fam Zheng
2018-02-13 15:51 ` Peter Maydell
2018-02-13 17:31   ` Laurent Vivier
2018-02-20 12:43     ` Alex Bennée

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