sim/common: Wire in df/di conversion
Up until now these have not been used in any CGEN targets, add them as they are now used by OpenRISC. sim/common/ChangeLog: * cgen-accfp.c (floatdidf, fixdfdi): New functions. (cgen_init_accurate_fpu): Add floatdidf and fixdfdi.
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@ -1,3 +1,8 @@
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2019-06-13 Stafford Horne <shorne@gmail.com>
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* cgen-accfp.c (floatdidf, fixdfdi): New functions.
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(cgen_init_accurate_fpu): Add floatdidf and fixdfdi.
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2019-04-13 Andrew Burgess <andrew.burgess@embecosm.com>
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* cgen-ops.h (SUBWORDXFSI): Compare HOST_BYTE_ORDER not
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@ -349,6 +349,17 @@ floatsidf (CGEN_FPU* fpu, int how UNUSED, SI x)
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return res;
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}
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static DF
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floatdidf (CGEN_FPU* fpu, int how UNUSED, DI x)
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{
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sim_fpu ans;
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unsigned64 res;
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sim_fpu_i64to (&ans, x, sim_fpu_round_near);
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sim_fpu_to64 (&res, &ans);
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return res;
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}
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static SF
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ufloatsisf (CGEN_FPU* fpu, int how UNUSED, USI x)
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{
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@ -382,6 +393,17 @@ fixdfsi (CGEN_FPU* fpu, int how UNUSED, DF x)
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return res;
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}
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static DI
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fixdfdi (CGEN_FPU* fpu, int how UNUSED, DF x)
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{
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sim_fpu op1;
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unsigned64 res;
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sim_fpu_64to (&op1, x);
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sim_fpu_to64i (&res, &op1, sim_fpu_round_near);
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return res;
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}
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static USI
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ufixsfsi (CGEN_FPU* fpu, int how UNUSED, SF x)
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{
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@ -739,8 +761,10 @@ cgen_init_accurate_fpu (SIM_CPU* cpu, CGEN_FPU* fpu, CGEN_FPU_ERROR_FN* error)
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o->ftruncdfsf = ftruncdfsf;
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o->floatsisf = floatsisf;
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o->floatsidf = floatsidf;
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o->floatdidf = floatdidf;
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o->ufloatsisf = ufloatsisf;
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o->fixsfsi = fixsfsi;
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o->fixdfsi = fixdfsi;
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o->fixdfdi = fixdfdi;
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o->ufixsfsi = ufixsfsi;
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}
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