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Diffstat (limited to 'target-openrisc/fpu_helper.c')
-rw-r--r--target-openrisc/fpu_helper.c301
1 files changed, 0 insertions, 301 deletions
diff --git a/target-openrisc/fpu_helper.c b/target-openrisc/fpu_helper.c
deleted file mode 100644
index c54404b..0000000
--- a/target-openrisc/fpu_helper.c
+++ /dev/null
@@ -1,301 +0,0 @@
-/*
- * OpenRISC float helper routines
- *
- * Copyright (c) 2011-2012 Jia Liu <proljc@gmail.com>
- * Feng Gao <gf91597@gmail.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "qemu/osdep.h"
-#include "cpu.h"
-#include "exec/helper-proto.h"
-#include "exception.h"
-
-static inline uint32_t ieee_ex_to_openrisc(OpenRISCCPU *cpu, int fexcp)
-{
- int ret = 0;
- if (fexcp) {
- if (fexcp & float_flag_invalid) {
- cpu->env.fpcsr |= FPCSR_IVF;
- ret = 1;
- }
- if (fexcp & float_flag_overflow) {
- cpu->env.fpcsr |= FPCSR_OVF;
- ret = 1;
- }
- if (fexcp & float_flag_underflow) {
- cpu->env.fpcsr |= FPCSR_UNF;
- ret = 1;
- }
- if (fexcp & float_flag_divbyzero) {
- cpu->env.fpcsr |= FPCSR_DZF;
- ret = 1;
- }
- if (fexcp & float_flag_inexact) {
- cpu->env.fpcsr |= FPCSR_IXF;
- ret = 1;
- }
- }
-
- return ret;
-}
-
-static inline void update_fpcsr(OpenRISCCPU *cpu)
-{
- int tmp = ieee_ex_to_openrisc(cpu,
- get_float_exception_flags(&cpu->env.fp_status));
-
- SET_FP_CAUSE(cpu->env.fpcsr, tmp);
- if ((GET_FP_ENABLE(cpu->env.fpcsr) & tmp) &&
- (cpu->env.fpcsr & FPCSR_FPEE)) {
- helper_exception(&cpu->env, EXCP_FPE);
- } else {
- UPDATE_FP_FLAGS(cpu->env.fpcsr, tmp);
- }
-}
-
-uint64_t HELPER(itofd)(CPUOpenRISCState *env, uint64_t val)
-{
- uint64_t itofd;
- OpenRISCCPU *cpu = openrisc_env_get_cpu(env);
-
- set_float_exception_flags(0, &cpu->env.fp_status);
- itofd = int32_to_float64(val, &cpu->env.fp_status);
- update_fpcsr(cpu);
-
- return itofd;
-}
-
-uint32_t HELPER(itofs)(CPUOpenRISCState *env, uint32_t val)
-{
- uint32_t itofs;
- OpenRISCCPU *cpu = openrisc_env_get_cpu(env);
-
- set_float_exception_flags(0, &cpu->env.fp_status);
- itofs = int32_to_float32(val, &cpu->env.fp_status);
- update_fpcsr(cpu);
-
- return itofs;
-}
-
-uint64_t HELPER(ftoid)(CPUOpenRISCState *env, uint64_t val)
-{
- uint64_t ftoid;
- OpenRISCCPU *cpu = openrisc_env_get_cpu(env);
-
- set_float_exception_flags(0, &cpu->env.fp_status);
- ftoid = float32_to_int64(val, &cpu->env.fp_status);
- update_fpcsr(cpu);
-
- return ftoid;
-}
-
-uint32_t HELPER(ftois)(CPUOpenRISCState *env, uint32_t val)
-{
- uint32_t ftois;
- OpenRISCCPU *cpu = openrisc_env_get_cpu(env);
-
- set_float_exception_flags(0, &cpu->env.fp_status);
- ftois = float32_to_int32(val, &cpu->env.fp_status);
- update_fpcsr(cpu);
-
- return ftois;
-}
-
-#define FLOAT_OP(name, p) void helper_float_##_##p(void)
-
-#define FLOAT_CALC(name) \
-uint64_t helper_float_ ## name ## _d(CPUOpenRISCState *env, \
- uint64_t fdt0, uint64_t fdt1) \
-{ \
- uint64_t result; \
- OpenRISCCPU *cpu = openrisc_env_get_cpu(env); \
- set_float_exception_flags(0, &cpu->env.fp_status); \
- result = float64_ ## name(fdt0, fdt1, &cpu->env.fp_status); \
- update_fpcsr(cpu); \
- return result; \
-} \
- \
-uint32_t helper_float_ ## name ## _s(CPUOpenRISCState *env, \
- uint32_t fdt0, uint32_t fdt1) \
-{ \
- uint32_t result; \
- OpenRISCCPU *cpu = openrisc_env_get_cpu(env); \
- set_float_exception_flags(0, &cpu->env.fp_status); \
- result = float32_ ## name(fdt0, fdt1, &cpu->env.fp_status); \
- update_fpcsr(cpu); \
- return result; \
-} \
-
-FLOAT_CALC(add)
-FLOAT_CALC(sub)
-FLOAT_CALC(mul)
-FLOAT_CALC(div)
-FLOAT_CALC(rem)
-#undef FLOAT_CALC
-
-#define FLOAT_TERNOP(name1, name2) \
-uint64_t helper_float_ ## name1 ## name2 ## _d(CPUOpenRISCState *env, \
- uint64_t fdt0, \
- uint64_t fdt1) \
-{ \
- uint64_t result, temp, hi, lo; \
- uint32_t val1, val2; \
- OpenRISCCPU *cpu = openrisc_env_get_cpu(env); \
- hi = env->fpmaddhi; \
- lo = env->fpmaddlo; \
- set_float_exception_flags(0, &cpu->env.fp_status); \
- result = float64_ ## name1(fdt0, fdt1, &cpu->env.fp_status); \
- lo &= 0xffffffff; \
- hi &= 0xffffffff; \
- temp = (hi << 32) | lo; \
- result = float64_ ## name2(result, temp, &cpu->env.fp_status); \
- val1 = result >> 32; \
- val2 = (uint32_t) (result & 0xffffffff); \
- update_fpcsr(cpu); \
- cpu->env.fpmaddlo = val2; \
- cpu->env.fpmaddhi = val1; \
- return 0; \
-} \
- \
-uint32_t helper_float_ ## name1 ## name2 ## _s(CPUOpenRISCState *env, \
- uint32_t fdt0, uint32_t fdt1) \
-{ \
- uint64_t result, temp, hi, lo; \
- uint32_t val1, val2; \
- OpenRISCCPU *cpu = openrisc_env_get_cpu(env); \
- hi = cpu->env.fpmaddhi; \
- lo = cpu->env.fpmaddlo; \
- set_float_exception_flags(0, &cpu->env.fp_status); \
- result = float64_ ## name1(fdt0, fdt1, &cpu->env.fp_status); \
- temp = (hi << 32) | lo; \
- result = float64_ ## name2(result, temp, &cpu->env.fp_status); \
- val1 = result >> 32; \
- val2 = (uint32_t) (result & 0xffffffff); \
- update_fpcsr(cpu); \
- cpu->env.fpmaddlo = val2; \
- cpu->env.fpmaddhi = val1; \
- return 0; \
-}
-
-FLOAT_TERNOP(mul, add)
-#undef FLOAT_TERNOP
-
-
-#define FLOAT_CMP(name) \
-uint64_t helper_float_ ## name ## _d(CPUOpenRISCState *env, \
- uint64_t fdt0, uint64_t fdt1) \
-{ \
- int res; \
- OpenRISCCPU *cpu = openrisc_env_get_cpu(env); \
- set_float_exception_flags(0, &cpu->env.fp_status); \
- res = float64_ ## name(fdt0, fdt1, &cpu->env.fp_status); \
- update_fpcsr(cpu); \
- return res; \
-} \
- \
-uint32_t helper_float_ ## name ## _s(CPUOpenRISCState *env, \
- uint32_t fdt0, uint32_t fdt1)\
-{ \
- int res; \
- OpenRISCCPU *cpu = openrisc_env_get_cpu(env); \
- set_float_exception_flags(0, &cpu->env.fp_status); \
- res = float32_ ## name(fdt0, fdt1, &cpu->env.fp_status); \
- update_fpcsr(cpu); \
- return res; \
-}
-
-FLOAT_CMP(le)
-FLOAT_CMP(eq)
-FLOAT_CMP(lt)
-#undef FLOAT_CMP
-
-
-#define FLOAT_CMPNE(name) \
-uint64_t helper_float_ ## name ## _d(CPUOpenRISCState *env, \
- uint64_t fdt0, uint64_t fdt1) \
-{ \
- int res; \
- OpenRISCCPU *cpu = openrisc_env_get_cpu(env); \
- set_float_exception_flags(0, &cpu->env.fp_status); \
- res = !float64_eq_quiet(fdt0, fdt1, &cpu->env.fp_status); \
- update_fpcsr(cpu); \
- return res; \
-} \
- \
-uint32_t helper_float_ ## name ## _s(CPUOpenRISCState *env, \
- uint32_t fdt0, uint32_t fdt1) \
-{ \
- int res; \
- OpenRISCCPU *cpu = openrisc_env_get_cpu(env); \
- set_float_exception_flags(0, &cpu->env.fp_status); \
- res = !float32_eq_quiet(fdt0, fdt1, &cpu->env.fp_status); \
- update_fpcsr(cpu); \
- return res; \
-}
-
-FLOAT_CMPNE(ne)
-#undef FLOAT_CMPNE
-
-#define FLOAT_CMPGT(name) \
-uint64_t helper_float_ ## name ## _d(CPUOpenRISCState *env, \
- uint64_t fdt0, uint64_t fdt1) \
-{ \
- int res; \
- OpenRISCCPU *cpu = openrisc_env_get_cpu(env); \
- set_float_exception_flags(0, &cpu->env.fp_status); \
- res = !float64_le(fdt0, fdt1, &cpu->env.fp_status); \
- update_fpcsr(cpu); \
- return res; \
-} \
- \
-uint32_t helper_float_ ## name ## _s(CPUOpenRISCState *env, \
- uint32_t fdt0, uint32_t fdt1) \
-{ \
- int res; \
- OpenRISCCPU *cpu = openrisc_env_get_cpu(env); \
- set_float_exception_flags(0, &cpu->env.fp_status); \
- res = !float32_le(fdt0, fdt1, &cpu->env.fp_status); \
- update_fpcsr(cpu); \
- return res; \
-}
-FLOAT_CMPGT(gt)
-#undef FLOAT_CMPGT
-
-#define FLOAT_CMPGE(name) \
-uint64_t helper_float_ ## name ## _d(CPUOpenRISCState *env, \
- uint64_t fdt0, uint64_t fdt1) \
-{ \
- int res; \
- OpenRISCCPU *cpu = openrisc_env_get_cpu(env); \
- set_float_exception_flags(0, &cpu->env.fp_status); \
- res = !float64_lt(fdt0, fdt1, &cpu->env.fp_status); \
- update_fpcsr(cpu); \
- return res; \
-} \
- \
-uint32_t helper_float_ ## name ## _s(CPUOpenRISCState *env, \
- uint32_t fdt0, uint32_t fdt1) \
-{ \
- int res; \
- OpenRISCCPU *cpu = openrisc_env_get_cpu(env); \
- set_float_exception_flags(0, &cpu->env.fp_status); \
- res = !float32_lt(fdt0, fdt1, &cpu->env.fp_status); \
- update_fpcsr(cpu); \
- return res; \
-}
-
-FLOAT_CMPGE(ge)
-#undef FLOAT_CMPGE
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