Author: Antonio Cuni <[email protected]>
Branch: faster-rstruct-2
Changeset: r91281:38cd23755b61
Date: 2017-05-13 15:01 +0200
http://bitbucket.org/pypy/pypy/changeset/38cd23755b61/
Log: use the fast path also for the native float/double packing
diff --git a/rpython/rlib/rstruct/nativefmttable.py
b/rpython/rlib/rstruct/nativefmttable.py
--- a/rpython/rlib/rstruct/nativefmttable.py
+++ b/rpython/rlib/rstruct/nativefmttable.py
@@ -29,6 +29,9 @@
def pack_double(fmtiter):
doubleval = fmtiter.accept_float_arg()
+ if std.pack_fastpath(rffi.DOUBLE)(fmtiter, doubleval):
+ return
+ # slow path
value = longlong2float.float2longlong(doubleval)
pack_float_to_buffer(fmtiter.result, fmtiter.pos, value, 8,
fmtiter.bigendian)
fmtiter.advance(8)
@@ -36,6 +39,9 @@
def pack_float(fmtiter):
doubleval = fmtiter.accept_float_arg()
floatval = r_singlefloat(doubleval)
+ if std.pack_fastpath(rffi.FLOAT)(fmtiter, floatval):
+ return
+ # slow path
value = longlong2float.singlefloat2uint(floatval)
value = widen(value)
pack_float_to_buffer(fmtiter.result, fmtiter.pos, value, 4,
fmtiter.bigendian)
diff --git a/rpython/rlib/rstruct/test/test_pack.py
b/rpython/rlib/rstruct/test/test_pack.py
--- a/rpython/rlib/rstruct/test/test_pack.py
+++ b/rpython/rlib/rstruct/test/test_pack.py
@@ -144,3 +144,9 @@
bigendian = nativefmttable.native_is_bigendian
fmt_prefix = '@'
fmttable = nativefmttable.native_fmttable
+
+class TestNativeSlowPath(BaseTestPack):
+ USE_FASTPATH = False
+ bigendian = nativefmttable.native_is_bigendian
+ fmt_prefix = '@'
+ fmttable = nativefmttable.native_fmttable
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