[rtems commit] libtests/complex,math: Prevent optimizations
Sebastian Huber
sebh at rtems.org
Mon Dec 1 07:25:37 UTC 2014
Module: rtems
Branch: master
Commit: 80d99aa20cd0e8fa519c3fe1e4e7402931dfa4cb
Changeset: http://git.rtems.org/rtems/commit/?id=80d99aa20cd0e8fa519c3fe1e4e7402931dfa4cb
Author: Sebastian Huber <sebastian.huber at embedded-brains.de>
Date: Mon Dec 1 08:20:55 2014 +0100
libtests/complex,math: Prevent optimizations
For constant arguments GCC calculates the values of the math library
functions at compile-time.
close #1741
---
testsuites/libtests/complex/docomplex.h | 4 +-
testsuites/libtests/math/domath.h | 272 ++++++++++++++++++++++----------
2 files changed, 195 insertions(+), 81 deletions(-)
diff --git a/testsuites/libtests/complex/docomplex.h b/testsuites/libtests/complex/docomplex.h
index 96ce9eb..c844cc0 100644
--- a/testsuites/libtests/complex/docomplex.h
+++ b/testsuites/libtests/complex/docomplex.h
@@ -25,11 +25,13 @@
extern void FUNC(docomplex) (void);
+volatile complex FTYPE ca, cb;
+
void
FUNC(docomplex) (void)
{
#ifndef PROVIDE_EMPTY_FUNC
- complex FTYPE ca, cb, cc;
+ complex FTYPE cc;
FTYPE f1;
ca = 1.0 + 1.0 * I;
diff --git a/testsuites/libtests/math/domath.h b/testsuites/libtests/math/domath.h
index 4915577..1f841fb 100644
--- a/testsuites/libtests/math/domath.h
+++ b/testsuites/libtests/math/domath.h
@@ -33,6 +33,14 @@
extern void FUNC(domath) (void);
+volatile int ia;
+
+volatile FTYPE fa;
+
+volatile FTYPE fb;
+
+volatile FTYPE fc;
+
void
FUNC(domath) (void)
{
@@ -42,252 +50,356 @@ FUNC(domath) (void)
int i1;
- f1 = FUNC(acos) (0.0);
+ fa = 0.0;
+ f1 = FUNC(acos) (fa);
fprintf( stdout, STR(acos) " : " PRI "\n", f1);
- f1 = FUNC(acosh) (0.0);
+ fa = 0.0;
+ f1 = FUNC(acosh) (fa);
fprintf( stdout, STR(acosh) " : " PRI "\n", f1);
- f1 = FUNC(asin) (1.0);
+ fa = 1.0;
+ f1 = FUNC(asin) (fa);
fprintf( stdout, STR(asin) " : " PRI "\n", f1);
- f1 = FUNC(asinh) (1.0);
+ fa = 1.0;
+ f1 = FUNC(asinh) (fa);
fprintf( stdout, STR(asinh) " : " PRI "\n", f1);
- f1 = FUNC(atan) (M_PI_4);
+ fa = M_PI_4;
+ f1 = FUNC(atan) (fa);
fprintf( stdout, STR(atan) " : " PRI "\n", f1);
- f1 = FUNC(atan2) (2.3, 2.3);
+ fa = 2.3;
+ fb = 2.3;
+ f1 = FUNC(atan2) (fa, fb);
fprintf( stdout, STR(atan2) " : " PRI "\n", f1);
- f1 = FUNC(atanh) (1.0);
+ fa = 1.0;
+ f1 = FUNC(atanh) (fa);
fprintf( stdout, STR(atanh) " : " PRI "\n", f1);
- f1 = FUNC(cbrt) (27.0);
+ fa = 27.0;
+ f1 = FUNC(cbrt) (fa);
fprintf( stdout, STR(cbrt) " : " PRI "\n", f1);
- f1 = FUNC(ceil) (3.5);
+ fa = 3.5;
+ f1 = FUNC(ceil) (fa);
fprintf( stdout, STR(ceil) " : " PRI "\n", f1);
- f1 = FUNC(copysign) (3.5, -2.5);
+ fa = 3.5;
+ fb = -2.5;
+ f1 = FUNC(copysign) (fa, fb);
fprintf( stdout, STR(copysign) " : " PRI "\n", f1);
- f1 = FUNC(cos) (M_PI_2);
+ fa = M_PI_2;
+ f1 = FUNC(cos) (fa);
fprintf( stdout, STR(cos) " : " PRI "\n", f1);
- f1 = FUNC(cosh) (M_PI_2);
+ fa = M_PI_2;
+ f1 = FUNC(cosh) (fa);
fprintf( stdout, STR(cosh) " : " PRI "\n", f1);
- f1 = FUNC(erf) (42.0);
+ fa = 42.0;
+ f1 = FUNC(erf) (fa);
fprintf( stdout, STR(erf) " : " PRI "\n", f1);
- f1 = FUNC(erfc) (42.0);
+ fa = 42.0;
+ f1 = FUNC(erfc) (fa);
fprintf( stdout, STR(erfc) " : " PRI "\n", f1);
- f1 = FUNC(exp) (0.42);
+ fa = 0.42;
+ f1 = FUNC(exp) (fa);
fprintf( stdout, STR(exp) " : " PRI "\n", f1);
- f1 = FUNC(exp2) (0.42);
+ fa = 0.42;
+ f1 = FUNC(exp2) (fa);
fprintf( stdout, STR(exp2) " : " PRI "\n", f1);
- f1 = FUNC(expm1) (0.00042);
+ fa = 0.00042;
+ f1 = FUNC(expm1) (fa);
fprintf( stdout, STR(expm1) " : " PRI "\n", f1);
- f1 = FUNC(fabs) (-1.123);
+ fa = -1.123;
+ f1 = FUNC(fabs) (fa);
fprintf( stdout, STR(fabs) " : " PRI "\n", f1);
- f1 = FUNC(fdim) (1.123, 2.123);
+ fa = 1.123;
+ fb = 1.123;
+ f1 = FUNC(fdim) (fa, fb);
fprintf( stdout, STR(fdim) " : " PRI "\n", f1);
- f1 = FUNC(floor) (0.5);
+ fa = 0.5;
+ f1 = FUNC(floor) (fa);
fprintf( stdout, STR(floor) " : " PRI "\n", f1);
- f1 = FUNC(floor) (-0.5);
+ fa = -0.5;
+ f1 = FUNC(floor) (fa);
fprintf( stdout, STR(floor) " : " PRI "\n", f1);
- f1 = FUNC(fma) (2.1, 2.2, 3.01);
+ fa = 2.1;
+ fb = 2.2;
+ fc = 3.01;
+ f1 = FUNC(fma) (fa, fb, fc);
fprintf( stdout, STR(fma) " : " PRI "\n", f1);
- f1 = FUNC(fmax) (-0.42, 0.42);
+ fa = -0.42;
+ fb = 0.42;
+ f1 = FUNC(fmax) (fa, fb);
fprintf( stdout, STR(fmax) " : " PRI "\n", f1);
- f1 = FUNC(fmin) (-0.42, 0.42);
+ fa = -0.42;
+ fb = 0.42;
+ f1 = FUNC(fmin) (fa, fb);
fprintf( stdout, STR(fmin) " : " PRI "\n", f1);
- f1 = FUNC(fmod) (42.0, 3.0);
+ fa = 42.0;
+ fb = 3.0;
+ f1 = FUNC(fmod) (fa, fb);
fprintf( stdout, STR(fmod) " : " PRI "\n", f1);
/* no type-specific variant */
- i1 = fpclassify(1.0);
+ fa = 1.0;
+ i1 = fpclassify(fa);
fprintf( stdout, "fpclassify : %d\n", i1);
- f1 = FUNC(frexp) (42.0, &i1);
+ fa = 42.0;
+ f1 = FUNC(frexp) (fa, &i1);
fprintf( stdout, STR(frexp) " : " PRI "\n", f1);
- f1 = FUNC(hypot) (42.0, 42.0);
+ fa = 42.0;
+ fb = 42.0;
+ f1 = FUNC(hypot) (fa, fb);
fprintf( stdout, STR(hypot) " : " PRI "\n", f1);
- i1 = FUNC(ilogb) (42.0);
+ fa = 42.0;
+ i1 = FUNC(ilogb) (fa);
fprintf( stdout, STR(ilogb) " : %d\n", i1);
/* no type-specific variant */
- i1 = isfinite(3.0);
+ fa = 3.0;
+ i1 = isfinite(fa);
fprintf( stdout, "isfinite : %d\n", i1);
/* no type-specific variant */
- i1 = isgreater(3.0, 3.1);
+ fa = 3.0;
+ fb = 3.1;
+ i1 = isgreater(fa, fb);
fprintf( stdout, "isgreater : %d\n", i1);
/* no type-specific variant */
- i1 = isgreaterequal(3.0, 3.1);
+ fa = 3.0;
+ fb = 3.1;
+ i1 = isgreaterequal(fa, fb);
fprintf( stdout, "isgreaterequal : %d\n", i1);
/* no type-specific variant */
- i1 = isinf(3.0);
+ fa = 3.0;
+ i1 = isinf(fa);
fprintf( stdout, "isinf : %d\n", i1);
/* no type-specific variant */
- i1 = isless(3.0, 3.1);
+ fa = 3.0;
+ fb = 3.1;
+ i1 = isless(fa, fb);
fprintf( stdout, "isless : %d\n", i1);
/* no type-specific variant */
- i1 = islessequal(3.0, 3.1);
+ fa = 3.0;
+ fb = 3.1;
+ i1 = islessequal(fa, fb);
fprintf( stdout, "islessequal : %d\n", i1);
/* no type-specific variant */
- i1 = islessgreater(3.0, 3.1);
+ fa = 3.0;
+ fb = 3.1;
+ i1 = islessgreater(fa, fb);
fprintf( stdout, "islessgreater : %d\n", i1);
/* no type-specific variant */
- i1 = isnan(0.0);
+ fa = 0.0;
+ i1 = isnan(fa);
fprintf( stdout, "isnan : %d\n", i1);
/* no type-specific variant */
- i1 = isnormal(3.0);
+ fa = 3.0;
+ i1 = isnormal(fa);
fprintf( stdout, "isnormal : %d\n", i1);
/* no type-specific variant */
- f1 = isunordered(1.0, 2.0);
+ fa = 1.0;
+ fb = 2.0;
+ f1 = isunordered(fa, fb);
fprintf( stdout, "isunordered : %d\n", i1);
- f1 = FUNC(j0) (1.2);
+ fa = 1.2;
+ f1 = FUNC(j0) (fa);
fprintf( stdout, STR(j0) " : " PRI "\n", f1);
- f1 = FUNC(j1) (1.2);
+ fa = 1.2;
+ f1 = FUNC(j1) (fa);
fprintf( stdout, STR(j1) " : " PRI "\n", f1);
- f1 = FUNC(jn) (2,1.2);
+ ia = 2;
+ fa = 1.2;
+ f1 = FUNC(jn) (ia, fa);
fprintf( stdout, STR(jn) " : " PRI "\n", f1);
- f1 = FUNC(ldexp) (1.2,3);
+ fa = 1.2;
+ ia = 3;
+ f1 = FUNC(ldexp) (fa, ia);
fprintf( stdout, STR(ldexp) " : " PRI "\n", f1);
- f1 = FUNC(lgamma) (42.0);
+ fa = 42.0;
+ f1 = FUNC(lgamma) (fa);
fprintf( stdout, STR(lgamma) " : " PRI "\n", f1);
- f1 = FUNC(llrint) (-0.5);
+ fa = -0.5;
+ f1 = FUNC(llrint) (fa);
fprintf( stdout, STR(llrint) " : " PRI "\n", f1);
- f1 = FUNC(llrint) (0.5);
+ fa = 0.5;
+ f1 = FUNC(llrint) (fa);
fprintf( stdout, STR(llrint) " : " PRI "\n", f1);
- f1 = FUNC(llround) (-0.5);
+ fa = -0.5;
+ f1 = FUNC(llround) (fa);
fprintf( stdout, STR(lround) " : " PRI "\n", f1);
- f1 = FUNC(llround) (0.5);
+ fa = 0.5;
+ f1 = FUNC(llround) (fa);
fprintf( stdout, STR(lround) " : " PRI "\n", f1);
- f1 = FUNC(log) (42.0);
+ fa = 42.0;
+ f1 = FUNC(log) (fa);
fprintf( stdout, STR(log) " : " PRI "\n", f1);
- f1 = FUNC(log10) (42.0);
+ fa = 42.0;
+ f1 = FUNC(log10) (fa);
fprintf( stdout, STR(log10) " : " PRI "\n", f1);
- f1 = FUNC(log1p) (42.0);
+ fa = 42.0;
+ f1 = FUNC(log1p) (fa);
fprintf( stdout, STR(log1p) " : " PRI "\n", f1);
- f1 = FUNC(log2) (42.0);
+ fa = 42.0;
+ f1 = FUNC(log2) (fa);
fprintf( stdout, STR(log2) " : " PRI "\n", f1);
- f1 = FUNC(logb) (42.0);
+ fa = 42.0;
+ f1 = FUNC(logb) (fa);
fprintf( stdout, STR(logb) " : " PRI "\n", f1);
- f1 = FUNC(lrint) (-0.5);
+ fa = -0.5;
+ f1 = FUNC(lrint) (fa);
fprintf( stdout, STR(lrint) " : " PRI "\n", f1);
- f1 = FUNC(lrint) (0.5);
+ fa = 0.5;
+ f1 = FUNC(lrint) (fa);
fprintf( stdout, STR(lrint) " : " PRI "\n", f1);
- f1 = FUNC(lround) (-0.5);
+ fa = -0.5;
+ f1 = FUNC(lround) (fa);
fprintf( stdout, STR(lround) " : " PRI "\n", f1);
- f1 = FUNC(lround) (0.5);
+ fa = 0.5;
+ f1 = FUNC(lround) (fa);
fprintf( stdout, STR(lround) " : " PRI "\n", f1);
- f1 = FUNC(modf) (42.0,&f2);
+ fa = 42.0;
+ f1 = FUNC(modf) (fa, &f2);
fprintf( stdout, STR(lmodf) " : " PRI "\n", f1);
f1 = FUNC(nan) ("");
fprintf( stdout, STR(nan) " : " PRI "\n", f1);
- f1 = FUNC(nearbyint) (1.5);
+ fa = 1.5;
+ f1 = FUNC(nearbyint) (fa);
fprintf( stdout, STR(nearbyint) " : " PRI "\n", f1);
- f1 = FUNC(nextafter) (1.5,2.0);
+ fa = 1.5;
+ fb = 2.0;
+ f1 = FUNC(nextafter) (fa, fb);
fprintf( stdout, STR(nextafter) " : " PRI "\n", f1);
- f1 = FUNC(pow) (3.01, 2.0);
+ fa = 3.01;
+ fb = 2.0;
+ f1 = FUNC(pow) (fa, fb);
fprintf( stdout, STR(pow) " : " PRI "\n", f1);
- f1 = FUNC(remainder) (3.01,2.0);
+ fa = 3.01;
+ fb = 2.0;
+ f1 = FUNC(remainder) (fa, fb);
fprintf( stdout, STR(remainder) " : " PRI "\n", f1);
- f1 = FUNC(remquo) (29.0,3.0,&i1);
+ fa = 29.0;
+ fb = 3.0;
+ f1 = FUNC(remquo) (fa, fb, &i1);
fprintf( stdout, STR(remquo) " : " PRI "\n", f1);
- f1 = FUNC(rint) (0.5);
+ fa = 0.5;
+ f1 = FUNC(rint) (fa);
fprintf( stdout, STR(rint) " : " PRI "\n", f1);
- f1 = FUNC(rint) (-0.5);
+ fa = -0.5;
+ f1 = FUNC(rint) (fa);
fprintf( stdout, STR(rint) " : " PRI "\n", f1);
- f1 = FUNC(round) (0.5);
+ fa = 0.5;
+ f1 = FUNC(round) (fa);
fprintf( stdout, STR(round) " : " PRI "\n", f1);
- f1 = FUNC(round) (-0.5);
+ fa = -0.5;
+ f1 = FUNC(round) (fa);
fprintf( stdout, STR(round) " : " PRI "\n", f1);
- f1 = FUNC(scalbln) (1.2,3);
+ fa = 1.2;
+ ia = 3;
+ f1 = FUNC(scalbln) (fa, ia);
fprintf( stdout, STR(scalbln) " : " PRI "\n", f1);
- f1 = FUNC(scalbn) (1.2,3);
+ fa = 1.2;
+ ia = 3;
+ f1 = FUNC(scalbn) (fa, ia);
fprintf( stdout, STR(scalbn) " : " PRI "\n", f1);
/* no type-specific variant */
- i1 = signbit(1.0);
+ fa = 1.0;
+ i1 = signbit(fa);
fprintf( stdout, "signbit : %i\n", i1);
- f1 = FUNC(sin) (M_PI_4);
+ fa = M_PI_4;
+ f1 = FUNC(sin) (fa);
fprintf( stdout, STR(sin) " : " PRI "\n", f1);
- f1 = FUNC(sinh) (M_PI_4);
+ fa = M_PI_4;
+ f1 = FUNC(sinh) (fa);
fprintf( stdout, STR(sinh) " : " PRI "\n", f1);
- f1 = FUNC(sqrt) (9.0);
+ fa = 9.0;
+ f1 = FUNC(sqrt) (fa);
fprintf( stdout, STR(sqrt) " : " PRI "\n", f1);
- f1 = FUNC(tan) (M_PI_4);
+ fa = M_PI_4;
+ f1 = FUNC(tan) (fa);
fprintf( stdout, STR(tan) " : " PRI "\n", f1);
- f1 = FUNC(tanh) (M_PI_4);
+ fa = M_PI_4;
+ f1 = FUNC(tanh) (fa);
fprintf( stdout, STR(tanh) " : " PRI "\n", f1);
- f1 = FUNC(tgamma) (2.1);
+ fa = 2.1;
+ f1 = FUNC(tgamma) (fa);
fprintf( stdout, STR(tgamma) " : " PRI "\n", f1);
- f1 = FUNC(trunc) (3.5);
+ fa = 3.5;
+ f1 = FUNC(trunc) (fa);
fprintf( stdout, STR(trunc) " : " PRI "\n", f1);
- f1 = FUNC(y0) (1.2);
+ fa = 1.2;
+ f1 = FUNC(y0) (fa);
fprintf( stdout, STR(y0) " : " PRI "\n", f1);
- f1 = FUNC(y1) (1.2);
+ fa = 1.2;
+ f1 = FUNC(y1) (fa);
fprintf( stdout, STR(y1) " : " PRI "\n", f1);
- f1 = FUNC(yn) (3,1.2);
+ ia = 3;
+ fa = 1.2;
+ f1 = FUNC(yn) (ia, fa);
fprintf( stdout, STR(yn) " : " PRI "\n", f1);
#endif
}
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