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* sysdeps/sparc/fpu/fenv_private.h (HAVE_RM_CTX): Define. (libc_feholdexcept_setround_sparc_ctx): New function. (libc_fesetenv_sparc_ctx): Likewise. (libc_feupdateenv_sparc_ctx): Likewise. (libc_feholdsetround_sparc_ctx): Likewise. (libc_feholdexcept_setround_ctx): Define. (libc_feholdexcept_setroundf_ctx): Likewise. (libc_feholdexcept_setroundl_ctx): Likewise. (libc_fesetenv_ctx): Likewise. (libc_fesetenvf_ctx): Likewise. (libc_fesetenvl_ctx): Likewise. (libc_feupdateenv_ctx): Likewise. (libc_feupdateenvf_ctx): Likewise. (libc_feupdateenvl_ctx): Likewise. (libc_feresetround_ctx): Likewise. (libc_feresetroundf_ctx): Likewise. (libc_feresetroundl_ctx): Likewise. (libc_feholdsetround_ctx): Likewise. (libc_feholdsetroundf_ctx): Likewise. (libc_feholdsetroundl_ctx): Likewise.
183 lines
4.9 KiB
C
183 lines
4.9 KiB
C
#ifndef FENV_PRIVATE_H
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#define FENV_PRIVATE_H 1
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#include <fenv.h>
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static __always_inline void
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libc_feholdexcept (fenv_t *e)
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{
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fenv_t etmp;
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__fenv_stfsr(etmp);
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*(e) = etmp;
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etmp = etmp & ~((0x1f << 23) | FE_ALL_EXCEPT);
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__fenv_ldfsr(etmp);
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}
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static __always_inline void
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libc_fesetround (int r)
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{
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fenv_t etmp;
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__fenv_stfsr(etmp);
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etmp = (etmp & ~__FE_ROUND_MASK) | (r);
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__fenv_ldfsr(etmp);
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}
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static __always_inline void
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libc_feholdexcept_setround (fenv_t *e, int r)
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{
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fenv_t etmp;
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__fenv_stfsr(etmp);
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*(e) = etmp;
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etmp = etmp & ~((0x1f << 23) | FE_ALL_EXCEPT);
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etmp = (etmp & ~__FE_ROUND_MASK) | (r);
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__fenv_ldfsr(etmp);
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}
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static __always_inline int
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libc_fetestexcept (int e)
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{
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fenv_t etmp;
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__fenv_stfsr(etmp);
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return etmp & (e) & FE_ALL_EXCEPT;
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}
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static __always_inline void
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libc_fesetenv (fenv_t *e)
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{
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__fenv_ldfsr(*e);
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}
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static __always_inline int
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libc_feupdateenv_test (fenv_t *e, int ex)
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{
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fenv_t etmp;
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__fenv_stfsr(etmp);
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etmp &= FE_ALL_EXCEPT;
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__fenv_ldfsr(*e);
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__feraiseexcept (etmp);
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return etmp & ex;
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}
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static __always_inline void
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libc_feupdateenv (fenv_t *e)
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{
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libc_feupdateenv_test (e, 0);
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}
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static __always_inline void
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libc_feholdsetround (fenv_t *e, int r)
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{
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fenv_t etmp;
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__fenv_stfsr(etmp);
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*(e) = etmp;
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etmp = (etmp & ~__FE_ROUND_MASK) | (r);
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__fenv_ldfsr(etmp);
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}
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static __always_inline void
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libc_feresetround (fenv_t *e)
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{
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fenv_t etmp;
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__fenv_stfsr(etmp);
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etmp = (etmp & ~__FE_ROUND_MASK) | (*e & __FE_ROUND_MASK);
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__fenv_ldfsr(etmp);
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}
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#define libc_feholdexceptf libc_feholdexcept
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#define libc_fesetroundf libc_fesetround
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#define libc_feholdexcept_setroundf libc_feholdexcept_setround
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#define libc_fetestexceptf libc_fetestexcept
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#define libc_fesetenvf libc_fesetenv
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#define libc_feupdateenv_testf libc_feupdateenv_test
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#define libc_feupdateenvf libc_feupdateenv
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#define libc_feholdsetroundf libc_feholdsetround
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#define libc_feresetroundf libc_feresetround
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#define libc_feholdexcept libc_feholdexcept
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#define libc_fesetround libc_fesetround
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#define libc_feholdexcept_setround libc_feholdexcept_setround
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#define libc_fetestexcept libc_fetestexcept
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#define libc_fesetenv libc_fesetenv
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#define libc_feupdateenv_test libc_feupdateenv_test
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#define libc_feupdateenv libc_feupdateenv
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#define libc_feholdsetround libc_feholdsetround
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#define libc_feresetround libc_feresetround
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#define libc_feholdexceptl libc_feholdexcept
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#define libc_fesetroundl libc_fesetround
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#define libc_feholdexcept_setroundl libc_feholdexcept_setround
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#define libc_fetestexceptl libc_fetestexcept
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#define libc_fesetenvl libc_fesetenv
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#define libc_feupdateenv_testl libc_feupdateenv_test
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#define libc_feupdateenvl libc_feupdateenv
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#define libc_feholdsetroundl libc_feholdsetround
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#define libc_feresetroundl libc_feresetround
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/* We have support for rounding mode context. */
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#define HAVE_RM_CTX 1
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static __always_inline void
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libc_feholdexcept_setround_sparc_ctx (struct rm_ctx *ctx, int round)
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{
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fenv_t new;
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__fenv_stfsr(ctx->env);
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new = ctx->env & ~((0x1f << 23) | FE_ALL_EXCEPT);
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new = (new & ~__FE_ROUND_MASK) | round;
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if (__glibc_unlikely (new != ctx->env))
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{
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__fenv_ldfsr(new);
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ctx->updated_status = true;
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}
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else
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ctx->updated_status = false;
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}
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static __always_inline void
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libc_fesetenv_sparc_ctx (struct rm_ctx *ctx)
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{
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libc_fesetenv(&ctx->env);
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}
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static __always_inline void
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libc_feupdateenv_sparc_ctx (struct rm_ctx *ctx)
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{
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if (__glibc_unlikely (ctx->updated_status))
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libc_feupdateenv_test (&ctx->env, 0);
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}
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static __always_inline void
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libc_feholdsetround_sparc_ctx (struct rm_ctx *ctx, int round)
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{
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fenv_t new;
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__fenv_stfsr(ctx->env);
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new = (ctx->env & ~__FE_ROUND_MASK) | round;
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if (__glibc_unlikely (new != ctx->env))
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{
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__fenv_ldfsr(new);
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ctx->updated_status = true;
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}
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else
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ctx->updated_status = false;
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}
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#define libc_feholdexcept_setround_ctx libc_feholdexcept_setround_sparc_ctx
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#define libc_feholdexcept_setroundf_ctx libc_feholdexcept_setround_sparc_ctx
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#define libc_feholdexcept_setroundl_ctx libc_feholdexcept_setround_sparc_ctx
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#define libc_fesetenv_ctx libc_fesetenv_sparc_ctx
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#define libc_fesetenvf_ctx libc_fesetenv_sparc_ctx
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#define libc_fesetenvl_ctx libc_fesetenv_sparc_ctx
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#define libc_feupdateenv_ctx libc_feupdateenv_sparc_ctx
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#define libc_feupdateenvf_ctx libc_feupdateenv_sparc_ctx
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#define libc_feupdateenvl_ctx libc_feupdateenv_sparc_ctx
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#define libc_feresetround_ctx libc_feupdateenv_sparc_ctx
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#define libc_feresetroundf_ctx libc_feupdateenv_sparc_ctx
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#define libc_feresetroundl_ctx libc_feupdateenv_sparc_ctx
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#define libc_feholdsetround_ctx libc_feholdsetround_sparc_ctx
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#define libc_feholdsetroundf_ctx libc_feholdsetround_sparc_ctx
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#define libc_feholdsetroundl_ctx libc_feholdsetround_sparc_ctx
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#endif /* FENV_PRIVATE_H */
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