From: Max Filippov <jcmvbkbc@gmail.com>
To: qemu-devel@nongnu.org
Cc: Blue Swirl <blauwirbel@gmail.com>,
Peter Maydell <peter.maydell@linaro.org>,
Max Filippov <jcmvbkbc@gmail.com>
Subject: [Qemu-devel] [PATCH v2 04/10] target-xtensa: specialize softfloat NaN rules
Date: Sun, 9 Sep 2012 20:04:33 +0400 [thread overview]
Message-ID: <1347206679-428-5-git-send-email-jcmvbkbc@gmail.com> (raw)
In-Reply-To: <1347206679-428-1-git-send-email-jcmvbkbc@gmail.com>
NaN propagation rule: leftmost NaN in the expression gets propagated to
the result.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
---
Changes v1->v2:
- drop float32_maybe_silence_nan specialization
fpu/softfloat-specialize.h | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/fpu/softfloat-specialize.h b/fpu/softfloat-specialize.h
index 2b203b9..f9642f0 100644
--- a/fpu/softfloat-specialize.h
+++ b/fpu/softfloat-specialize.h
@@ -61,7 +61,8 @@ const float16 float16_default_nan = const_float16(0xFE00);
*----------------------------------------------------------------------------*/
#if defined(TARGET_SPARC)
const float32 float32_default_nan = const_float32(0x7FFFFFFF);
-#elif defined(TARGET_PPC) || defined(TARGET_ARM) || defined(TARGET_ALPHA)
+#elif defined(TARGET_PPC) || defined(TARGET_ARM) || defined(TARGET_ALPHA) || \
+ defined(TARGET_XTENSA)
const float32 float32_default_nan = const_float32(0x7FC00000);
#elif SNAN_BIT_IS_ONE
const float32 float32_default_nan = const_float32(0x7FBFFFFF);
@@ -400,7 +401,7 @@ static int pickNaN(flag aIsQNaN, flag aIsSNaN, flag bIsQNaN, flag bIsSNaN,
return 1;
}
}
-#elif defined(TARGET_PPC)
+#elif defined(TARGET_PPC) || defined(TARGET_XTENSA)
static int pickNaN(flag aIsQNaN, flag aIsSNaN, flag bIsQNaN, flag bIsSNaN,
flag aIsLargerSignificand)
{
--
1.7.7.6
next prev parent reply other threads:[~2012-09-09 16:05 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-09 16:04 [Qemu-devel] [PATCH v2 00/10] target-xtensa: implement FP coprocessor option Max Filippov
2012-09-09 16:04 ` [Qemu-devel] [PATCH v2 01/10] softfloat: make float_muladd_negate_* flags independent Max Filippov
2012-09-09 16:04 ` [Qemu-devel] [PATCH v2 02/10] softfloat: add NO_SIGNALING_NANS Max Filippov
2012-09-09 16:18 ` Peter Maydell
2012-09-09 16:04 ` [Qemu-devel] [PATCH v2 03/10] target-xtensa: handle boolean option in overlays Max Filippov
2012-09-09 16:04 ` Max Filippov [this message]
2012-09-09 16:04 ` [Qemu-devel] [PATCH v2 05/10] target-xtensa: add FP registers Max Filippov
2012-09-09 16:04 ` [Qemu-devel] [PATCH v2 06/10] target-xtensa: implement LSCX and LSCI groups Max Filippov
2012-09-09 16:04 ` [Qemu-devel] [PATCH v2 07/10] target-xtensa: implement FP0 arithmetic Max Filippov
2012-09-09 16:04 ` [Qemu-devel] [PATCH v2 08/10] target-xtensa: implement FP0 conversions Max Filippov
2012-09-09 16:16 ` Peter Maydell
2012-09-09 16:38 ` Max Filippov
2012-09-09 17:24 ` Marc Gauthier
2012-09-09 18:39 ` Max Filippov
2012-09-19 0:28 ` Max Filippov
2012-09-09 16:04 ` [Qemu-devel] [PATCH v2 09/10] target-xtensa: implement FP1 group Max Filippov
2012-09-09 16:04 ` [Qemu-devel] [PATCH v2 10/10] target-xtensa: implement coprocessor context option Max Filippov
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