lib: Finish int_math.h definitions using compiler builtins and eliminate
implementation use of <math.h>.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@144786 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/ppc/divtc3.c b/lib/ppc/divtc3.c
index d718d5a..2991281 100644
--- a/lib/ppc/divtc3.c
+++ b/lib/ppc/divtc3.c
@@ -4,14 +4,13 @@
#include "DD.h"
#include "../int_math.h"
-#include <math.h>
-#if !defined(INFINITY) && defined(HUGE_VAL)
-#define INFINITY HUGE_VAL
-#endif /* INFINITY */
+#if !defined(CRT_INFINITY) && defined(HUGE_VAL)
+#define CRT_INFINITY HUGE_VAL
+#endif /* CRT_INFINITY */
#define makeFinite(x) { \
- (x).s.hi = __builtin_copysign(crt_isinf((x).s.hi) ? 1.0 : 0.0, (x).s.hi); \
+ (x).s.hi = crt_copysign(crt_isinf((x).s.hi) ? 1.0 : 0.0, (x).s.hi); \
(x).s.lo = 0.0; \
}
@@ -27,16 +26,16 @@
DD dDD = { .ld = d };
int ilogbw = 0;
- const double logbw = logb(__builtin_fmax( __builtin_fabs(cDD.s.hi), __builtin_fabs(dDD.s.hi) ));
+ const double logbw = crt_logb(crt_fmax(crt_fabs(cDD.s.hi), crt_fabs(dDD.s.hi) ));
if (crt_isfinite(logbw))
{
ilogbw = (int)logbw;
- cDD.s.hi = scalbn(cDD.s.hi, -ilogbw);
- cDD.s.lo = scalbn(cDD.s.lo, -ilogbw);
- dDD.s.hi = scalbn(dDD.s.hi, -ilogbw);
- dDD.s.lo = scalbn(dDD.s.lo, -ilogbw);
+ cDD.s.hi = crt_scalbn(cDD.s.hi, -ilogbw);
+ cDD.s.lo = crt_scalbn(cDD.s.lo, -ilogbw);
+ dDD.s.hi = crt_scalbn(dDD.s.hi, -ilogbw);
+ dDD.s.lo = crt_scalbn(dDD.s.lo, -ilogbw);
}
const long double denom = __gcc_qadd(__gcc_qmul(cDD.ld, cDD.ld), __gcc_qmul(dDD.ld, dDD.ld));
@@ -46,10 +45,10 @@
DD real = { .ld = __gcc_qdiv(realNumerator, denom) };
DD imag = { .ld = __gcc_qdiv(imagNumerator, denom) };
- real.s.hi = scalbn(real.s.hi, -ilogbw);
- real.s.lo = scalbn(real.s.lo, -ilogbw);
- imag.s.hi = scalbn(imag.s.hi, -ilogbw);
- imag.s.lo = scalbn(imag.s.lo, -ilogbw);
+ real.s.hi = crt_scalbn(real.s.hi, -ilogbw);
+ real.s.lo = crt_scalbn(real.s.lo, -ilogbw);
+ imag.s.hi = crt_scalbn(imag.s.hi, -ilogbw);
+ imag.s.lo = crt_scalbn(imag.s.lo, -ilogbw);
if (crt_isnan(real.s.hi) && crt_isnan(imag.s.hi))
{
@@ -60,9 +59,9 @@
if ((rDD.s.hi == 0.0) && (!crt_isnan(aDD.s.hi) ||
!crt_isnan(bDD.s.hi)))
{
- real.s.hi = __builtin_copysign(INFINITY,cDD.s.hi) * aDD.s.hi;
+ real.s.hi = crt_copysign(CRT_INFINITY,cDD.s.hi) * aDD.s.hi;
real.s.lo = 0.0;
- imag.s.hi = __builtin_copysign(INFINITY,cDD.s.hi) * bDD.s.hi;
+ imag.s.hi = crt_copysign(CRT_INFINITY,cDD.s.hi) * bDD.s.hi;
imag.s.lo = 0.0;
}
@@ -71,9 +70,9 @@
{
makeFinite(aDD);
makeFinite(bDD);
- real.s.hi = INFINITY * (aDD.s.hi*cDD.s.hi + bDD.s.hi*dDD.s.hi);
+ real.s.hi = CRT_INFINITY * (aDD.s.hi*cDD.s.hi + bDD.s.hi*dDD.s.hi);
real.s.lo = 0.0;
- imag.s.hi = INFINITY * (bDD.s.hi*cDD.s.hi - aDD.s.hi*dDD.s.hi);
+ imag.s.hi = CRT_INFINITY * (bDD.s.hi*cDD.s.hi - aDD.s.hi*dDD.s.hi);
imag.s.lo = 0.0;
}
@@ -82,9 +81,9 @@
{
makeFinite(cDD);
makeFinite(dDD);
- real.s.hi = __builtin_copysign(0.0,(aDD.s.hi*cDD.s.hi + bDD.s.hi*dDD.s.hi));
+ real.s.hi = crt_copysign(0.0,(aDD.s.hi*cDD.s.hi + bDD.s.hi*dDD.s.hi));
real.s.lo = 0.0;
- imag.s.hi = __builtin_copysign(0.0,(bDD.s.hi*cDD.s.hi - aDD.s.hi*dDD.s.hi));
+ imag.s.hi = crt_copysign(0.0,(bDD.s.hi*cDD.s.hi - aDD.s.hi*dDD.s.hi));
imag.s.lo = 0.0;
}
}
diff --git a/lib/ppc/fixtfdi.c b/lib/ppc/fixtfdi.c
index 43bc15f..56e7b3f 100644
--- a/lib/ppc/fixtfdi.c
+++ b/lib/ppc/fixtfdi.c
@@ -7,6 +7,7 @@
*/
#include "DD.h"
+#include "../int_math.h"
uint64_t __fixtfdi(long double input)
{
@@ -64,7 +65,7 @@
/* Edge cases handled here: */
/* |x| < 1, result is zero. */
- if (1.0 > __builtin_fabs(x.s.hi))
+ if (1.0 > crt_fabs(x.s.hi))
return INT64_C(0);
/* x very close to INT64_MIN, care must be taken to see which side we are on. */
diff --git a/lib/ppc/multc3.c b/lib/ppc/multc3.c
index d04a901..edb482b 100644
--- a/lib/ppc/multc3.c
+++ b/lib/ppc/multc3.c
@@ -4,20 +4,15 @@
#include "DD.h"
#include "../int_math.h"
-#include <math.h>
-
-#if !defined(INFINITY) && defined(HUGE_VAL)
-#define INFINITY HUGE_VAL
-#endif /* INFINITY */
#define makeFinite(x) { \
- (x).s.hi = __builtin_copysign(crt_isinf((x).s.hi) ? 1.0 : 0.0, (x).s.hi); \
+ (x).s.hi = crt_copysign(crt_isinf((x).s.hi) ? 1.0 : 0.0, (x).s.hi); \
(x).s.lo = 0.0; \
}
#define zeroNaN() { \
if (crt_isnan((x).s.hi)) { \
- (x).s.hi = __builtin_copysign(0.0, (x).s.hi); \
+ (x).s.hi = crt_copysign(0.0, (x).s.hi); \
(x).s.lo = 0.0; \
} \
}
@@ -84,9 +79,9 @@
if (recalc)
{
- real.s.hi = INFINITY * (aDD.s.hi*cDD.s.hi - bDD.s.hi*dDD.s.hi);
+ real.s.hi = CRT_INFINITY * (aDD.s.hi*cDD.s.hi - bDD.s.hi*dDD.s.hi);
real.s.lo = 0.0;
- imag.s.hi = INFINITY * (aDD.s.hi*dDD.s.hi + bDD.s.hi*cDD.s.hi);
+ imag.s.hi = CRT_INFINITY * (aDD.s.hi*dDD.s.hi + bDD.s.hi*cDD.s.hi);
imag.s.lo = 0.0;
}
}