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a51bc4fe9d
glibc/sysdeps/powerpc/fpu
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Paul Clarke a51bc4fe9d Use float in e_sqrt.c 
The type used within e_sqrt.c(__slow_ieee754_sqrtf) was, unnecessarily and
likely inadvertently, double.  float is not only appropriate, but also
more efficient, avoiding the need for the compiler to emit a
round-to-single-precision instruction.

This is the difference in compiled code:
 0000000000000000 <__ieee754_sqrtf>:
    0:  2c 08 20 ec     fsqrts  f1,f1
-   4:  18 08 20 fc     frsp    f1,f1
-   8:  20 00 80 4e     blr
+   4:  20 00 80 4e     blr

(Found by Anton Blanchard.)
2019-02-11 12:03:23 -02:00
..
e_hypot.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
e_hypotf.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
e_sqrt.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
e_sqrtf.c Use float in e_sqrt.c 2019-02-11 12:03:23 -02:00
fclrexcpt.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
fe_mask.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
fe_nomask.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
fedisblxcpt.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
feenablxcpt.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
fegetenv.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
fegetexcept.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
fegetmode.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
fegetround.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
feholdexcpt.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
fenv_const.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
fenv_libc.h Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
fenv_private.h Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
fesetenv.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
fesetexcept.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
fesetmode.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
fesetround.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
feupdateenv.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
fgetexcptflg.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
fix-fp-int-compare-invalid.h Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
fraiseexcpt.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
fsetexcptflg.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
ftestexcept.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
libm-test-ulps Add new exp and exp2 implementations 2018-09-05 16:22:00 +01:00
libm-test-ulps-name Do not hardcode platform names in manual/libm-err-tab.pl (bug 14139). 2016-11-04 16:49:06 +00:00
Makefile Link extra-libs consistently with libc and ld.so. 2013-05-31 16:16:33 +00:00
math_ldbl.h Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
math_private.h Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
math-barriers.h Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
math-tests-trap-force.h Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
s_fabs.S Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
s_fabsf.S Update. 1999-10-10 00:00:36 +00:00
s_float_bitwise.h Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
s_fma.S Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
s_fmaf.S Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
s_isnan.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
s_isnanf.S Update. 1999-10-10 00:00:36 +00:00
s_lrintf.S Update. 1999-10-10 00:00:36 +00:00
s_rint.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
s_rintf.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
t_sqrt.c Remove trailing whitespace. 2013-06-05 20:44:03 +00:00
tst-setcontext-fpscr.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00