On Mon, Nov 25, 2013 at 11:19 PM, Joseph S. Myers
<jos...@codesourcery.com> wrote:
> soft-fp patches go to libc-alpha, with glibc code then being imported
> unmodified into GCC.
Now imported from glibc as:
2013-11-27 Uros Bizjak <ubiz...@gmail.com>
* soft-fp/op-4.h: Update from glibc.
Tested on x86_64-pc-linux-gnu multilib build and committed to mainline SVN.
Uros.
Index: soft-fp/op-4.h
===================================================================
--- soft-fp/op-4.h (revision 205448)
+++ soft-fp/op-4.h (working copy)
@@ -709,7 +709,7 @@
else if (rsize <= 2*_FP_W_TYPE_SIZE) \
{ \
r = X##_f[1]; \
- r <<= _FP_W_TYPE_SIZE; \
+ r = (rsize <= _FP_W_TYPE_SIZE ? 0 : r << _FP_W_TYPE_SIZE); \
r += X##_f[0]; \
} \
else \
@@ -717,11 +717,11 @@
/* I'm feeling lazy so we deal with int == 3words (implausible)*/ \
/* and int == 4words as a single case. */ \
r = X##_f[3]; \
- r <<= _FP_W_TYPE_SIZE; \
+ r = (rsize <= _FP_W_TYPE_SIZE ? 0 : r << _FP_W_TYPE_SIZE); \
r += X##_f[2]; \
- r <<= _FP_W_TYPE_SIZE; \
+ r = (rsize <= _FP_W_TYPE_SIZE ? 0 : r << _FP_W_TYPE_SIZE); \
r += X##_f[1]; \
- r <<= _FP_W_TYPE_SIZE; \
+ r = (rsize <= _FP_W_TYPE_SIZE ? 0 : r << _FP_W_TYPE_SIZE); \
r += X##_f[0]; \
} \
} \
