diff options
Diffstat (limited to 'core/minute-ia/include/fpu.h')
| -rw-r--r-- | core/minute-ia/include/fpu.h | 125 |
1 files changed, 56 insertions, 69 deletions
diff --git a/core/minute-ia/include/fpu.h b/core/minute-ia/include/fpu.h index 553807352a..9c0e818099 100644 --- a/core/minute-ia/include/fpu.h +++ b/core/minute-ia/include/fpu.h @@ -1,4 +1,4 @@ -/* Copyright 2016 The Chromium OS Authors. All rights reserved. +/* Copyright 2016 The ChromiumOS Authors * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ @@ -12,19 +12,15 @@ #ifdef CONFIG_FPU -#define M_PI 3.14159265358979323846 -#define M_PI_2 1.57079632679489661923 +#define M_PI 3.14159265358979323846 +#define M_PI_2 1.57079632679489661923 static inline float sqrtf(float v) { float root; /* root = fsqart (v); */ - asm volatile( - "fsqrt" - : "=t" (root) - : "0" (v) - ); + asm volatile("fsqrt" : "=t"(root) : "0"(v)); return root; } @@ -34,11 +30,7 @@ static inline float fabsf(float v) float root; /* root = fabs (v); */ - asm volatile( - "fabs" - : "=t" (root) - : "0" (v) - ); + asm volatile("fabs" : "=t"(root) : "0"(v)); return root; } @@ -51,12 +43,11 @@ static inline float logf(float v) { float res; - asm volatile( - "fldln2\n" - "fxch\n" - "fyl2x\n" - : "=t" (res) - : "0" (v)); + asm volatile("fldln2\n" + "fxch\n" + "fyl2x\n" + : "=t"(res) + : "0"(v)); return res; } @@ -70,20 +61,19 @@ static inline float expf(float v) { float res; - asm volatile( - "fldl2e\n" - "fmulp\n" - "fld %%st(0)\n" - "frndint\n" - "fsubr %%st(0),%%st(1)\n" /* bug-binutils/19054 */ - "fxch %%st(1)\n" - "f2xm1\n" - "fld1\n" - "faddp\n" - "fscale\n" - "fstp %%st(1)\n" - : "=t" (res) - : "0" (v)); + asm volatile("fldl2e\n" + "fmulp\n" + "fld %%st(0)\n" + "frndint\n" + "fsubr %%st(0),%%st(1)\n" /* bug-binutils/19054 */ + "fxch %%st(1)\n" + "f2xm1\n" + "fld1\n" + "faddp\n" + "fscale\n" + "fstp %%st(1)\n" + : "=t"(res) + : "0"(v)); return res; } @@ -97,24 +87,23 @@ static inline float powf(float x, float y) { float res; - asm volatile( - "fyl2x\n" - "fld %%st(0)\n" - "frndint\n" - "fsub %%st,%%st(1)\n" - "fxch\n" - "fchs\n" - "f2xm1\n" - "fld1\n" - "faddp\n" - "fxch\n" - "fld1\n" - "fscale\n" - "fstp %%st(1)\n" - "fmulp\n" - : "=t" (res) - : "0" (x), "u" (y) - : "st(1)"); + asm volatile("fyl2x\n" + "fld %%st(0)\n" + "frndint\n" + "fsub %%st,%%st(1)\n" + "fxch\n" + "fchs\n" + "f2xm1\n" + "fld1\n" + "faddp\n" + "fxch\n" + "fld1\n" + "fscale\n" + "fstp %%st(1)\n" + "fmulp\n" + : "=t"(res) + : "0"(x), "u"(y) + : "st(1)"); return res; } @@ -125,16 +114,15 @@ static inline float ceilf(float v) float res; unsigned short control_word, control_word_tmp; - asm volatile("fnstcw %0" : "=m" (control_word)); + asm volatile("fnstcw %0" : "=m"(control_word)); /* Set Rounding Mode to 10B, round up toward +infinity */ control_word_tmp = (control_word | 0x0800) & 0xfbff; - asm volatile( - "fld %3\n" - "fldcw %1\n" - "frndint\n" - "fldcw %2" - : "=t" (res) - : "m" (control_word_tmp), "m"(control_word), "m" (v)); + asm volatile("fld %3\n" + "fldcw %1\n" + "frndint\n" + "fldcw %2" + : "=t"(res) + : "m"(control_word_tmp), "m"(control_word), "m"(v)); return res; } @@ -144,7 +132,7 @@ static inline float atan2f(float y, float x) { float res; - asm volatile("fpatan" : "=t" (res) : "0" (x), "u" (y) : "st(1)"); + asm volatile("fpatan" : "=t"(res) : "0"(x), "u"(y) : "st(1)"); return res; } @@ -154,11 +142,10 @@ static inline float atanf(float v) { float res; - asm volatile( - "fld1\n" - "fpatan\n" - : "=t" (res) - : "0" (v)); + asm volatile("fld1\n" + "fpatan\n" + : "=t"(res) + : "0"(v)); return res; } @@ -168,7 +155,7 @@ static inline float sinf(float v) { float res; - asm volatile("fsin" : "=t" (res) : "0" (v)); + asm volatile("fsin" : "=t"(res) : "0"(v)); return res; } @@ -178,7 +165,7 @@ static inline float cosf(float v) { float res; - asm volatile("fcos" : "=t" (res) : "0" (v)); + asm volatile("fcos" : "=t"(res) : "0"(v)); return res; } @@ -189,5 +176,5 @@ static inline float acosf(float v) return atan2f(sqrtf(1.0 - v * v), v); } -#endif /* CONFIG_FPU */ -#endif /* __CROS_EC_FPU_H */ +#endif /* CONFIG_FPU */ +#endif /* __CROS_EC_FPU_H */ |