[libclc] fba9f05 - [libclc] Format clc_ldexp.cl and clc_hypot.cl. NFC
Fraser Cormack via cfe-commits
cfe-commits at lists.llvm.org
Thu Oct 31 03:19:02 PDT 2024
Author: Fraser Cormack
Date: 2024-10-31T10:18:29Z
New Revision: fba9f05ff7b36f9cbb5835d79f659290dadecaad
URL: https://github.com/llvm/llvm-project/commit/fba9f05ff7b36f9cbb5835d79f659290dadecaad
DIFF: https://github.com/llvm/llvm-project/commit/fba9f05ff7b36f9cbb5835d79f659290dadecaad.diff
LOG: [libclc] Format clc_ldexp.cl and clc_hypot.cl. NFC
Added:
Modified:
libclc/generic/lib/math/clc_hypot.cl
libclc/generic/lib/math/clc_ldexp.cl
Removed:
################################################################################
diff --git a/libclc/generic/lib/math/clc_hypot.cl b/libclc/generic/lib/math/clc_hypot.cl
index 35532a9532062a..8261d97c2b493b 100644
--- a/libclc/generic/lib/math/clc_hypot.cl
+++ b/libclc/generic/lib/math/clc_hypot.cl
@@ -23,76 +23,78 @@
#include <clc/clc.h>
#include <math/clc_hypot.h>
+#include "../clcmacro.h"
#include "config.h"
#include "math.h"
-#include "../clcmacro.h"
-// Returns sqrt(x*x + y*y) with no overflow or underflow unless the result warrants it
-_CLC_DEF _CLC_OVERLOAD float __clc_hypot(float x, float y)
-{
- uint ux = as_uint(x);
- uint aux = ux & EXSIGNBIT_SP32;
- uint uy = as_uint(y);
- uint auy = uy & EXSIGNBIT_SP32;
- float retval;
- int c = aux > auy;
- ux = c ? aux : auy;
- uy = c ? auy : aux;
-
- int xexp = clamp((int)(ux >> EXPSHIFTBITS_SP32) - EXPBIAS_SP32, -126, 126);
- float fx_exp = as_float((xexp + EXPBIAS_SP32) << EXPSHIFTBITS_SP32);
- float fi_exp = as_float((-xexp + EXPBIAS_SP32) << EXPSHIFTBITS_SP32);
- float fx = as_float(ux) * fi_exp;
- float fy = as_float(uy) * fi_exp;
- retval = sqrt(mad(fx, fx, fy*fy)) * fx_exp;
-
- retval = ux > PINFBITPATT_SP32 | uy == 0 ? as_float(ux) : retval;
- retval = ux == PINFBITPATT_SP32 | uy == PINFBITPATT_SP32 ? as_float(PINFBITPATT_SP32) : retval;
- return retval;
+// Returns sqrt(x*x + y*y) with no overflow or underflow unless the result
+// warrants it
+_CLC_DEF _CLC_OVERLOAD float __clc_hypot(float x, float y) {
+ uint ux = as_uint(x);
+ uint aux = ux & EXSIGNBIT_SP32;
+ uint uy = as_uint(y);
+ uint auy = uy & EXSIGNBIT_SP32;
+ float retval;
+ int c = aux > auy;
+ ux = c ? aux : auy;
+ uy = c ? auy : aux;
+
+ int xexp = clamp((int)(ux >> EXPSHIFTBITS_SP32) - EXPBIAS_SP32, -126, 126);
+ float fx_exp = as_float((xexp + EXPBIAS_SP32) << EXPSHIFTBITS_SP32);
+ float fi_exp = as_float((-xexp + EXPBIAS_SP32) << EXPSHIFTBITS_SP32);
+ float fx = as_float(ux) * fi_exp;
+ float fy = as_float(uy) * fi_exp;
+ retval = sqrt(mad(fx, fx, fy * fy)) * fx_exp;
+
+ retval = ux > PINFBITPATT_SP32 | uy == 0 ? as_float(ux) : retval;
+ retval = ux == PINFBITPATT_SP32 | uy == PINFBITPATT_SP32
+ ? as_float(PINFBITPATT_SP32)
+ : retval;
+ return retval;
}
_CLC_BINARY_VECTORIZE(_CLC_DEF _CLC_OVERLOAD, float, __clc_hypot, float, float)
#ifdef cl_khr_fp64
-_CLC_DEF _CLC_OVERLOAD double __clc_hypot(double x, double y)
-{
- ulong ux = as_ulong(x) & ~SIGNBIT_DP64;
- int xexp = ux >> EXPSHIFTBITS_DP64;
- x = as_double(ux);
+_CLC_DEF _CLC_OVERLOAD double __clc_hypot(double x, double y) {
+ ulong ux = as_ulong(x) & ~SIGNBIT_DP64;
+ int xexp = ux >> EXPSHIFTBITS_DP64;
+ x = as_double(ux);
- ulong uy = as_ulong(y) & ~SIGNBIT_DP64;
- int yexp = uy >> EXPSHIFTBITS_DP64;
- y = as_double(uy);
+ ulong uy = as_ulong(y) & ~SIGNBIT_DP64;
+ int yexp = uy >> EXPSHIFTBITS_DP64;
+ y = as_double(uy);
- int c = xexp > EXPBIAS_DP64 + 500 | yexp > EXPBIAS_DP64 + 500;
- double preadjust = c ? 0x1.0p-600 : 1.0;
- double postadjust = c ? 0x1.0p+600 : 1.0;
+ int c = xexp > EXPBIAS_DP64 + 500 | yexp > EXPBIAS_DP64 + 500;
+ double preadjust = c ? 0x1.0p-600 : 1.0;
+ double postadjust = c ? 0x1.0p+600 : 1.0;
- c = xexp < EXPBIAS_DP64 - 500 | yexp < EXPBIAS_DP64 - 500;
- preadjust = c ? 0x1.0p+600 : preadjust;
- postadjust = c ? 0x1.0p-600 : postadjust;
+ c = xexp < EXPBIAS_DP64 - 500 | yexp < EXPBIAS_DP64 - 500;
+ preadjust = c ? 0x1.0p+600 : preadjust;
+ postadjust = c ? 0x1.0p-600 : postadjust;
- double ax = x * preadjust;
- double ay = y * preadjust;
+ double ax = x * preadjust;
+ double ay = y * preadjust;
- // The post adjust may overflow, but this can't be avoided in any case
- double r = sqrt(fma(ax, ax, ay*ay)) * postadjust;
+ // The post adjust may overflow, but this can't be avoided in any case
+ double r = sqrt(fma(ax, ax, ay * ay)) * postadjust;
- // If the
diff erence in exponents between x and y is large
- double s = x + y;
- c = abs(xexp - yexp) > MANTLENGTH_DP64 + 1;
- r = c ? s : r;
+ // If the
diff erence in exponents between x and y is large
+ double s = x + y;
+ c = abs(xexp - yexp) > MANTLENGTH_DP64 + 1;
+ r = c ? s : r;
- // Check for NaN
- //c = x != x | y != y;
- c = isnan(x) | isnan(y);
- r = c ? as_double(QNANBITPATT_DP64) : r;
+ // Check for NaN
+ // c = x != x | y != y;
+ c = isnan(x) | isnan(y);
+ r = c ? as_double(QNANBITPATT_DP64) : r;
- // If either is Inf, we must return Inf
- c = x == as_double(PINFBITPATT_DP64) | y == as_double(PINFBITPATT_DP64);
- r = c ? as_double(PINFBITPATT_DP64) : r;
+ // If either is Inf, we must return Inf
+ c = x == as_double(PINFBITPATT_DP64) | y == as_double(PINFBITPATT_DP64);
+ r = c ? as_double(PINFBITPATT_DP64) : r;
- return r;
+ return r;
}
-_CLC_BINARY_VECTORIZE(_CLC_DEF _CLC_OVERLOAD, double, __clc_hypot, double, double)
+_CLC_BINARY_VECTORIZE(_CLC_DEF _CLC_OVERLOAD, double, __clc_hypot, double,
+ double)
#endif
diff --git a/libclc/generic/lib/math/clc_ldexp.cl b/libclc/generic/lib/math/clc_ldexp.cl
index ae6117b7b29224..6f849acb9e5c82 100644
--- a/libclc/generic/lib/math/clc_ldexp.cl
+++ b/libclc/generic/lib/math/clc_ldexp.cl
@@ -20,76 +20,77 @@
* THE SOFTWARE.
*/
-#include <clc/clc.h>
-#include "config.h"
#include "../clcmacro.h"
+#include "config.h"
#include "math.h"
+#include <clc/clc.h>
_CLC_DEF _CLC_OVERLOAD float __clc_ldexp(float x, int n) {
- if (!__clc_fp32_subnormals_supported()) {
-
- // This treats subnormals as zeros
- int i = as_int(x);
- int e = (i >> 23) & 0xff;
- int m = i & 0x007fffff;
- int s = i & 0x80000000;
- int v = add_sat(e, n);
- v = clamp(v, 0, 0xff);
- int mr = e == 0 | v == 0 | v == 0xff ? 0 : m;
- int c = e == 0xff;
- mr = c ? m : mr;
- int er = c ? e : v;
- er = e ? er : e;
- return as_float( s | (er << 23) | mr );
- }
-
- /* supports denormal values */
- const int multiplier = 24;
- float val_f;
- uint val_ui;
- uint sign;
- int exponent;
- val_ui = as_uint(x);
- sign = val_ui & 0x80000000;
- val_ui = val_ui & 0x7fffffff;/* remove the sign bit */
- int val_x = val_ui;
-
- exponent = val_ui >> 23; /* get the exponent */
- int dexp = exponent;
-
- /* denormal support */
- int fbh = 127 - (as_uint((float)(as_float(val_ui | 0x3f800000) - 1.0f)) >> 23);
- int dexponent = 25 - fbh;
- uint dval_ui = (( (val_ui << fbh) & 0x007fffff) | (dexponent << 23));
- int ex = dexponent + n - multiplier;
- dexponent = ex;
- uint val = sign | (ex << 23) | (dval_ui & 0x007fffff);
- int ex1 = dexponent + multiplier;
- ex1 = -ex1 +25;
- dval_ui = (((dval_ui & 0x007fffff )| 0x800000) >> ex1);
- dval_ui = dexponent > 0 ? val :dval_ui;
- dval_ui = dexponent > 254 ? 0x7f800000 :dval_ui; /*overflow*/
- dval_ui = dexponent < -multiplier ? 0 : dval_ui; /*underflow*/
- dval_ui = dval_ui | sign;
- val_f = as_float(dval_ui);
-
- exponent += n;
-
- val = sign | (exponent << 23) | (val_ui & 0x007fffff);
- ex1 = exponent + multiplier;
- ex1 = -ex1 +25;
- val_ui = (((val_ui & 0x007fffff )| 0x800000) >> ex1);
- val_ui = exponent > 0 ? val :val_ui;
- val_ui = exponent > 254 ? 0x7f800000 :val_ui; /*overflow*/
- val_ui = exponent < -multiplier ? 0 : val_ui; /*underflow*/
- val_ui = val_ui | sign;
-
- val_ui = dexp == 0? dval_ui : val_ui;
- val_f = as_float(val_ui);
-
- val_f = isnan(x) | isinf(x) | val_x == 0 ? x : val_f;
- return val_f;
+ if (!__clc_fp32_subnormals_supported()) {
+
+ // This treats subnormals as zeros
+ int i = as_int(x);
+ int e = (i >> 23) & 0xff;
+ int m = i & 0x007fffff;
+ int s = i & 0x80000000;
+ int v = add_sat(e, n);
+ v = clamp(v, 0, 0xff);
+ int mr = e == 0 | v == 0 | v == 0xff ? 0 : m;
+ int c = e == 0xff;
+ mr = c ? m : mr;
+ int er = c ? e : v;
+ er = e ? er : e;
+ return as_float(s | (er << 23) | mr);
+ }
+
+ /* supports denormal values */
+ const int multiplier = 24;
+ float val_f;
+ uint val_ui;
+ uint sign;
+ int exponent;
+ val_ui = as_uint(x);
+ sign = val_ui & 0x80000000;
+ val_ui = val_ui & 0x7fffffff; /* remove the sign bit */
+ int val_x = val_ui;
+
+ exponent = val_ui >> 23; /* get the exponent */
+ int dexp = exponent;
+
+ /* denormal support */
+ int fbh =
+ 127 - (as_uint((float)(as_float(val_ui | 0x3f800000) - 1.0f)) >> 23);
+ int dexponent = 25 - fbh;
+ uint dval_ui = (((val_ui << fbh) & 0x007fffff) | (dexponent << 23));
+ int ex = dexponent + n - multiplier;
+ dexponent = ex;
+ uint val = sign | (ex << 23) | (dval_ui & 0x007fffff);
+ int ex1 = dexponent + multiplier;
+ ex1 = -ex1 + 25;
+ dval_ui = (((dval_ui & 0x007fffff) | 0x800000) >> ex1);
+ dval_ui = dexponent > 0 ? val : dval_ui;
+ dval_ui = dexponent > 254 ? 0x7f800000 : dval_ui; /*overflow*/
+ dval_ui = dexponent < -multiplier ? 0 : dval_ui; /*underflow*/
+ dval_ui = dval_ui | sign;
+ val_f = as_float(dval_ui);
+
+ exponent += n;
+
+ val = sign | (exponent << 23) | (val_ui & 0x007fffff);
+ ex1 = exponent + multiplier;
+ ex1 = -ex1 + 25;
+ val_ui = (((val_ui & 0x007fffff) | 0x800000) >> ex1);
+ val_ui = exponent > 0 ? val : val_ui;
+ val_ui = exponent > 254 ? 0x7f800000 : val_ui; /*overflow*/
+ val_ui = exponent < -multiplier ? 0 : val_ui; /*underflow*/
+ val_ui = val_ui | sign;
+
+ val_ui = dexp == 0 ? dval_ui : val_ui;
+ val_f = as_float(val_ui);
+
+ val_f = isnan(x) | isinf(x) | val_x == 0 ? x : val_f;
+ return val_f;
}
#ifdef cl_khr_fp64
@@ -97,32 +98,32 @@ _CLC_DEF _CLC_OVERLOAD float __clc_ldexp(float x, int n) {
#pragma OPENCL EXTENSION cl_khr_fp64 : enable
_CLC_DEF _CLC_OVERLOAD double __clc_ldexp(double x, int n) {
- long l = as_ulong(x);
- int e = (l >> 52) & 0x7ff;
- long s = l & 0x8000000000000000;
+ long l = as_ulong(x);
+ int e = (l >> 52) & 0x7ff;
+ long s = l & 0x8000000000000000;
- ulong ux = as_ulong(x * 0x1.0p+53);
- int de = ((int)(ux >> 52) & 0x7ff) - 53;
- int c = e == 0;
- e = c ? de: e;
+ ulong ux = as_ulong(x * 0x1.0p+53);
+ int de = ((int)(ux >> 52) & 0x7ff) - 53;
+ int c = e == 0;
+ e = c ? de : e;
- ux = c ? ux : l;
+ ux = c ? ux : l;
- int v = e + n;
- v = clamp(v, -0x7ff, 0x7ff);
+ int v = e + n;
+ v = clamp(v, -0x7ff, 0x7ff);
- ux &= ~EXPBITS_DP64;
+ ux &= ~EXPBITS_DP64;
- double mr = as_double(ux | ((ulong)(v+53) << 52));
- mr = mr * 0x1.0p-53;
+ double mr = as_double(ux | ((ulong)(v + 53) << 52));
+ mr = mr * 0x1.0p-53;
- mr = v > 0 ? as_double(ux | ((ulong)v << 52)) : mr;
+ mr = v > 0 ? as_double(ux | ((ulong)v << 52)) : mr;
- mr = v == 0x7ff ? as_double(s | PINFBITPATT_DP64) : mr;
- mr = v < -53 ? as_double(s) : mr;
+ mr = v == 0x7ff ? as_double(s | PINFBITPATT_DP64) : mr;
+ mr = v < -53 ? as_double(s) : mr;
- mr = ((n == 0) | isinf(x) | (x == 0) ) ? x : mr;
- return mr;
+ mr = ((n == 0) | isinf(x) | (x == 0)) ? x : mr;
+ return mr;
}
#endif
@@ -132,7 +133,7 @@ _CLC_DEF _CLC_OVERLOAD double __clc_ldexp(double x, int n) {
#pragma OPENCL EXTENSION cl_khr_fp16 : enable
_CLC_OVERLOAD _CLC_DEF half __clc_ldexp(half x, int n) {
- return (half)__clc_ldexp((float)x, n);
+ return (half)__clc_ldexp((float)x, n);
}
_CLC_BINARY_VECTORIZE(_CLC_OVERLOAD _CLC_DEF, half, __clc_ldexp, half, int);
More information about the cfe-commits
mailing list