| /* |
| * Copyright (c) 2014 Advanced Micro Devices, Inc. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to deal |
| * in the Software without restriction, including without limitation the rights |
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| * copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| * THE SOFTWARE. |
| */ |
| // HSAIL versions of native built-ins |
| |
| // HSAIL intrinsic functions |
| extern __attribute__((pure)) float __hsail_ncos_f32(float); |
| extern __attribute__((pure)) float __hsail_nexp2_f32(float); |
| extern __attribute__((pure)) float __hsail_nlog2_f32(float); |
| extern __attribute__((pure)) float __hsail_nrcp_f32(float); |
| extern __attribute__((pure)) float __hsail_nrsqrt_f32(float); |
| extern __attribute__((pure)) float __hsail_nsin_f32(float); |
| extern __attribute__((pure)) float __hsail_nsqrt_f32(float); |
| |
| // Value of log2(10) |
| #define M_LOG2_10_F 3.32192809488736f |
| // Value of 1 / log2(10) |
| #define M_RLOG2_10_F 0.30102999566398f |
| // Value of 1 / M_LOG2E_F = 1 / log2(e) |
| #define M_RLOG2_E_F 0.69314718055995f |
| |
| |
| __attribute__((overloadable, always_inline)) float |
| native_cos(float x) { |
| return __hsail_ncos_f32(x); |
| } |
| |
| __attribute__((overloadable, always_inline)) float |
| native_divide(float x, float y) { |
| return native_recip(y)*x; |
| } |
| |
| __attribute__((overloadable, always_inline)) float |
| native_exp2(float x) { |
| return __hsail_nexp2_f32(x); |
| } |
| |
| __attribute__((overloadable,weak,always_inline)) float |
| native_exp(float f) { |
| // There is no native exp in HSAIL, but we have exp2 instruction. |
| return __hsail_nexp2_f32(M_LOG2E_F*f); |
| } |
| |
| __attribute__((overloadable,weak,always_inline)) float |
| native_exp10(float f) { |
| // There is no native exp10 in HSAIL, but we have exp2 instruction. |
| return __hsail_nexp2_f32(M_LOG2_10_F*f); |
| } |
| |
| __attribute__((overloadable, always_inline)) float |
| native_log2(float x) { |
| return __hsail_nlog2_f32(x); |
| } |
| |
| __attribute__((overloadable,weak,always_inline)) float |
| native_log(float f) { |
| // There is no native log in HSAIL, but we have log2 instruction. |
| return __hsail_nlog2_f32(f)*M_RLOG2_E_F; |
| } |
| |
| __attribute__((overloadable,weak,always_inline)) float |
| native_log10(float f) { |
| // There is no native log10 in HSAIL, but we have log2 instruction. |
| return __hsail_nlog2_f32(f)*M_RLOG2_10_F; |
| } |
| |
| __attribute__((overloadable, always_inline)) float |
| native_powr(float x, float y) |
| { |
| return native_exp2(native_log2(x)*y); |
| } |
| |
| __attribute__((overloadable, always_inline)) float |
| native_recip(float x) { |
| return __hsail_nrcp_f32(x); |
| } |
| |
| __attribute__((overloadable, always_inline)) float |
| native_rsqrt(float x) |
| { |
| return __hsail_nrsqrt_f32(x); |
| } |
| |
| __attribute__((overloadable, always_inline)) float |
| native_sin(float x) { |
| return __hsail_nsin_f32(x); |
| } |
| |
| __attribute__((overloadable, always_inline)) float |
| native_sqrt(float x) { |
| return __hsail_nsqrt_f32(x); |
| } |
| |
| extern __attribute__((pure)) float __amdil_tan_f32(float,float); |
| __attribute__((overloadable, always_inline)) float |
| native_tan(float x) |
| { |
| return native_sin(x)*native_recip(native_cos(x)); |
| } |