diff mbox

[PULL,12/52] replace muldiv64(a, b, c) by (uint64_t)a * b / c

Message ID bd01b6b58a46a7a0b57c85a5527ec6c4f7bb6b2c.1465112552.git.mjt@msgid.tls.msk.ru (mailing list archive)
State New, archived
Headers show

Commit Message

Michael Tokarev June 5, 2016, 7:42 a.m. UTC 
From: Laurent Vivier <lvivier@redhat.com>

When "a" and "b" are 32bit values, we don't have to cast
them to 128bit, 64bit is enough.

This patch is the result of coccinelle script
scripts/coccinelle/simplify_muldiv64.cocci

Signed-off-by: Laurent Vivier <lvivier@redhat.com>
For xtensa PIC:
Acked-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
---
 hw/audio/gus.c      | 2 +-
 hw/xtensa/pic_cpu.c | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)
diff mbox

Patch

diff --git a/hw/audio/gus.c b/hw/audio/gus.c
index 9dd6947..6c02646 100644
--- a/hw/audio/gus.c
+++ b/hw/audio/gus.c
@@ -144,7 +144,7 @@  static void GUS_callback (void *opaque, int free)
     s->left = samples;
 
  reset:
-    gus_irqgen (&s->emu, muldiv64 (net, 1000000, s->freq));
+    gus_irqgen (&s->emu, (uint64_t)net * 1000000 / s->freq);
 }
 
 int GUS_irqrequest (GUSEmuState *emu, int hwirq, int n)
diff --git a/hw/xtensa/pic_cpu.c b/hw/xtensa/pic_cpu.c
index ccf65fd..2bed64f 100644
--- a/hw/xtensa/pic_cpu.c
+++ b/hw/xtensa/pic_cpu.c
@@ -122,8 +122,8 @@  void xtensa_rearm_ccompare_timer(CPUXtensaState *env)
     }
     env->wake_ccount = wake_ccount;
     timer_mod(env->ccompare_timer, env->halt_clock +
-            muldiv64(wake_ccount - env->sregs[CCOUNT],
-                1000000, env->config->clock_freq_khz));
+            (uint64_t)(wake_ccount - env->sregs[CCOUNT]) *
+            1000000 / env->config->clock_freq_khz);
 }
 
 static void xtensa_ccompare_cb(void *opaque)