From: David Gibson <david@gibson.dropbear.id.au>
To: peter.maydell@linaro.org
Cc: agraf@suse.de, aik@ozlabs.ru, mdroth@linux.vnet.ibm.com,
qemu-ppc@nongnu.org, qemu-devel@nongnu.org,
Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>,
David Gibson <david@gibson.dropbear.id.au>
Subject: [Qemu-devel] [PULL 4/5] target/ppc: fmadd: add macro for updating flags
Date: Mon, 6 Mar 2017 15:08:22 +1100 [thread overview]
Message-ID: <20170306040823.28482-5-david@gibson.dropbear.id.au> (raw)
In-Reply-To: <20170306040823.28482-1-david@gibson.dropbear.id.au>
From: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Adds FPU_MADDSUB_UPDATE macro, this will be used for other routines
having float32/16
Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
---
target/ppc/fpu_helper.c | 61 ++++++++++++++++++++++++-------------------------
1 file changed, 30 insertions(+), 31 deletions(-)
diff --git a/target/ppc/fpu_helper.c b/target/ppc/fpu_helper.c
index a547f58..13bd6ce 100644
--- a/target/ppc/fpu_helper.c
+++ b/target/ppc/fpu_helper.c
@@ -743,38 +743,37 @@ uint64_t helper_frim(CPUPPCState *env, uint64_t arg)
return do_fri(env, arg, float_round_down);
}
-static void float64_maddsub_update_excp(CPUPPCState *env, float64 arg1,
- float64 arg2, float64 arg3,
- unsigned int madd_flags)
-{
- if (unlikely(float64_is_signaling_nan(arg1, &env->fp_status) ||
- float64_is_signaling_nan(arg2, &env->fp_status) ||
- float64_is_signaling_nan(arg3, &env->fp_status))) {
- /* sNaN operation */
- float_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, 1);
- }
-
- if (unlikely((float64_is_infinity(arg1) && float64_is_zero(arg2)) ||
- (float64_is_zero(arg1) && float64_is_infinity(arg2)))) {
- /* Multiplication of zero by infinity */
- float_invalid_op_excp(env, POWERPC_EXCP_FP_VXIMZ, 1);
- }
-
- if ((float64_is_infinity(arg1) || float64_is_infinity(arg2)) &&
- float64_is_infinity(arg3)) {
- uint8_t aSign, bSign, cSign;
-
- aSign = float64_is_neg(arg1);
- bSign = float64_is_neg(arg2);
- cSign = float64_is_neg(arg3);
- if (madd_flags & float_muladd_negate_c) {
- cSign ^= 1;
- }
- if (aSign ^ bSign ^ cSign) {
- float_invalid_op_excp(env, POWERPC_EXCP_FP_VXISI, 1);
- }
- }
+#define FPU_MADDSUB_UPDATE(NAME, TP) \
+static void NAME(CPUPPCState *env, TP arg1, TP arg2, TP arg3, \
+ unsigned int madd_flags) \
+{ \
+ if (TP##_is_signaling_nan(arg1, &env->fp_status) || \
+ TP##_is_signaling_nan(arg2, &env->fp_status) || \
+ TP##_is_signaling_nan(arg3, &env->fp_status)) { \
+ /* sNaN operation */ \
+ float_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, 1); \
+ } \
+ if ((TP##_is_infinity(arg1) && TP##_is_zero(arg2)) || \
+ (TP##_is_zero(arg1) && TP##_is_infinity(arg2))) { \
+ /* Multiplication of zero by infinity */ \
+ float_invalid_op_excp(env, POWERPC_EXCP_FP_VXIMZ, 1); \
+ } \
+ if ((TP##_is_infinity(arg1) || TP##_is_infinity(arg2)) && \
+ TP##_is_infinity(arg3)) { \
+ uint8_t aSign, bSign, cSign; \
+ \
+ aSign = TP##_is_neg(arg1); \
+ bSign = TP##_is_neg(arg2); \
+ cSign = TP##_is_neg(arg3); \
+ if (madd_flags & float_muladd_negate_c) { \
+ cSign ^= 1; \
+ } \
+ if (aSign ^ bSign ^ cSign) { \
+ float_invalid_op_excp(env, POWERPC_EXCP_FP_VXISI, 1); \
+ } \
+ } \
}
+FPU_MADDSUB_UPDATE(float64_maddsub_update_excp, float64)
#define FPU_FMADD(op, madd_flags) \
uint64_t helper_##op(CPUPPCState *env, uint64_t arg1, \
--
2.9.3
next prev parent reply other threads:[~2017-03-06 4:08 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-06 4:08 [Qemu-devel] [PULL 0/5] ppc-for-2.9 queue 20170306 David Gibson
2017-03-06 4:08 ` [Qemu-devel] [PULL 1/5] ppc/xics: register reset handlers for the ICP and ICS objects David Gibson
2017-03-06 4:08 ` [Qemu-devel] [PULL 2/5] spapr: ensure that all threads within core are on the same NUMA node David Gibson
2017-03-06 4:08 ` [Qemu-devel] [PULL 3/5] target/ppc: fmadd check for excp independently David Gibson
2017-03-06 4:08 ` David Gibson [this message]
2017-03-06 4:08 ` [Qemu-devel] [PULL 5/5] target/ppc: use helper for excp handling David Gibson
2017-03-06 15:12 ` [Qemu-devel] [PULL 0/5] ppc-for-2.9 queue 20170306 Peter Maydell
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20170306040823.28482-5-david@gibson.dropbear.id.au \
--to=david@gibson.dropbear.id.au \
--cc=agraf@suse.de \
--cc=aik@ozlabs.ru \
--cc=mdroth@linux.vnet.ibm.com \
--cc=nikunj@linux.vnet.ibm.com \
--cc=peter.maydell@linaro.org \
--cc=qemu-devel@nongnu.org \
--cc=qemu-ppc@nongnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).