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addition bug fixes

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This commit is contained in:
Blaise Tine
2022-02-05 09:14:35 -05:00
parent 140124b423
commit bda77760c8
3 changed files with 313 additions and 297 deletions
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2
.travis.yml
View File

@@ -33,7 +33,7 @@ jobs:
script: cp -r $PWD ../build_coverage && cd ../build_coverage && ./ci/travis_run.py ./ci/regression.sh -coverage script: cp -r $PWD ../build_coverage && cd ../build_coverage && ./ci/travis_run.py ./ci/regression.sh -coverage
- stage: test - stage: test
name: coverage64 name: coverage64
script: cp -r $PWD ../build_coverage && cd ../build_coverage && ./ci/travis_run.py ./ci/regression64.sh -coverage script: cp -r $PWD ../build_coverage64 && cd ../build_coverage64 && ./ci/travis_run.py ./ci/regression64.sh -coverage
- stage: test - stage: test
name: tex name: tex
script: cp -r $PWD ../build_tex && cd ../build_tex && ./ci/travis_run.py ./ci/regression.sh -tex script: cp -r $PWD ../build_tex && cd ../build_tex && ./ci/travis_run.py ./ci/regression.sh -tex

586
sim/simx/execute.cpp
View File

@@ -48,16 +48,49 @@ inline uint32_t get_fpu_rm(uint32_t func3, Core* core, uint32_t tid, uint32_t wi
return (func3 == 0x7) ? core->get_csr(CSR_FRM, tid, wid) : func3; return (func3 == 0x7) ? core->get_csr(CSR_FRM, tid, wid) : func3;
} }
inline void update_fcrs(uint32_t fflags, Core* core, uint32_t tid, uint32_t wid) { static void update_fcrs(uint32_t fflags, Core* core, uint32_t tid, uint32_t wid) {
if (fflags) { if (fflags) {
core->set_csr(CSR_FCSR, core->get_csr(CSR_FCSR, tid, wid) | fflags, tid, wid); core->set_csr(CSR_FCSR, core->get_csr(CSR_FCSR, tid, wid) | fflags, tid, wid);
core->set_csr(CSR_FFLAGS, core->get_csr(CSR_FFLAGS, tid, wid) | fflags, tid, wid); core->set_csr(CSR_FFLAGS, core->get_csr(CSR_FFLAGS, tid, wid) | fflags, tid, wid);
} }
} }
inline uint64_t nan_box(uint32_t word) { inline uint64_t nan_box(uint32_t value) {
uint64_t mask = 0xffffffff00000000; uint64_t mask = 0xffffffff00000000;
return word | mask; return value | mask;
}
inline bool is_nan_boxed(uint64_t value) {
return (uint32_t(value >> 32) == 0xffffffff);
}
static bool checkBoxedArgs(FWord* out, FWord a, FWord b, uint32_t* fflags) {
bool xa = is_nan_boxed(a);
bool xb = is_nan_boxed(b);
if (xa && xb)
return true;
if (xa) {
// a is NaN boxed but b isn't
*out = nan_box((uint32_t)a);
} else if (xb) {
// b is NaN boxed but a isn't
*out = nan_box(0xffc00000);
} else {
// Both a and b aren't NaN boxed
*out = nan_box(0x7fc00000);
}
*fflags = 0;
return false;
}
static bool checkBoxedCmpArgs(Word* out, FWord a, FWord b, uint32_t* fflags) {
bool xa = is_nan_boxed(a);
bool xb = is_nan_boxed(b);
if (xa && xb)
return true;
*out = 0;
*fflags = 0;
return false;
} }
void Warp::execute(const Instr &instr, pipeline_trace_t *trace) { void Warp::execute(const Instr &instr, pipeline_trace_t *trace) {
@@ -845,108 +878,87 @@ void Warp::execute(const Instr &instr, pipeline_trace_t *trace) {
continue; continue;
uint32_t frm = get_fpu_rm(func3, core_, t, id_); uint32_t frm = get_fpu_rm(func3, core_, t, id_);
uint32_t fflags = 0; uint32_t fflags = 0;
bool fvalid = true;
switch (func7) { switch (func7) {
case 0x00: // RV32F: FADD.S case 0x00: { // RV32F: FADD.S
case 0x04: // RV32F: FSUB.S if (checkBoxedArgs(&rddata[t].f, rsdata[t][0].f, rsdata[t][1].f, &fflags)) {
case 0x08: // RV32F: FMUL.S
case 0x0c: // RV32F: FDIV.S
case 0x2c: // RV32F: FSQRT.S
case 0x10: // RV32F: FSGNJ.S / FSGNJN.S / FSGNJX.S
case 0x14: // RV32F: FMAX.S / FMIN.S
case 0x50: {
// RV32F: FLE.S / FLT.S / FEQ.S
uint64_t a = rsdata[t][0].f;
uint64_t b = rsdata[t][1].f;
// Both a and b aren't NaN boxed
if ((a >> 32 != 0xffffffff) && (b >> 32 != 0xffffffff)) {
rddata[t].f = nan_box(0x7fc00000);
fvalid = false;
}
// a is NaN boxed but b isn't
else if (b >> 32 != 0xffffffff) {
rddata[t].f = nan_box((uint32_t)a);
fvalid = false;
}
// b is NaN boxed but a isn't
else if (a >> 32 != 0xffffffff) {
rddata[t].f = nan_box(0xffc00000);
fvalid = false;
}
break;
}
}
if (fvalid){
switch (func7) {
case 0x00: { // RV32F: FADD.S
rddata[t].f = nan_box(rv_fadd_s(rsdata[t][0].f, rsdata[t][1].f, frm, &fflags)); rddata[t].f = nan_box(rv_fadd_s(rsdata[t][0].f, rsdata[t][1].f, frm, &fflags));
trace->fpu.type = FpuType::FMA;
trace->used_fregs.set(rsrc0);
trace->used_fregs.set(rsrc1);
break;
} }
case 0x01: { // RV32D: FADD.D trace->fpu.type = FpuType::FMA;
rddata[t].f = rv_fadd_d(rsdata[t][0].f, rsdata[t][1].f, frm, &fflags); trace->used_fregs.set(rsrc0);
trace->fpu.type = FpuType::FMA; trace->used_fregs.set(rsrc1);
trace->used_fregs.set(rsrc0); break;
trace->used_fregs.set(rsrc1); }
break; case 0x01: { // RV32D: FADD.D
} rddata[t].f = rv_fadd_d(rsdata[t][0].f, rsdata[t][1].f, frm, &fflags);
case 0x04: { // RV32F: FSUB.S trace->fpu.type = FpuType::FMA;
trace->used_fregs.set(rsrc0);
trace->used_fregs.set(rsrc1);
break;
}
case 0x04: { // RV32F: FSUB.S
if (checkBoxedArgs(&rddata[t].f, rsdata[t][0].f, rsdata[t][1].f, &fflags)) {
rddata[t].f = nan_box(rv_fsub_s(rsdata[t][0].f, rsdata[t][1].f, frm, &fflags)); rddata[t].f = nan_box(rv_fsub_s(rsdata[t][0].f, rsdata[t][1].f, frm, &fflags));
trace->fpu.type = FpuType::FMA;
trace->used_fregs.set(rsrc0);
trace->used_fregs.set(rsrc1);
break;
} }
case 0x05: { // RV32D: FSUB.D trace->fpu.type = FpuType::FMA;
rddata[t].f = rv_fsub_d(rsdata[t][0].f, rsdata[t][1].f, frm, &fflags); trace->used_fregs.set(rsrc0);
trace->fpu.type = FpuType::FMA; trace->used_fregs.set(rsrc1);
trace->used_fregs.set(rsrc0); break;
trace->used_fregs.set(rsrc1); }
break; case 0x05: { // RV32D: FSUB.D
} rddata[t].f = rv_fsub_d(rsdata[t][0].f, rsdata[t][1].f, frm, &fflags);
case 0x08: { // RV32F: FMUL.S trace->fpu.type = FpuType::FMA;
trace->used_fregs.set(rsrc0);
trace->used_fregs.set(rsrc1);
break;
}
case 0x08: { // RV32F: FMUL.S
if (checkBoxedArgs(&rddata[t].f, rsdata[t][0].f, rsdata[t][1].f, &fflags)) {
rddata[t].f = nan_box(rv_fmul_s(rsdata[t][0].f, rsdata[t][1].f, frm, &fflags)); rddata[t].f = nan_box(rv_fmul_s(rsdata[t][0].f, rsdata[t][1].f, frm, &fflags));
trace->fpu.type = FpuType::FMA;
trace->used_fregs.set(rsrc0);
trace->used_fregs.set(rsrc1);
break;
} }
case 0x09: { // RV32D: FMUL.D trace->fpu.type = FpuType::FMA;
rddata[t].f = rv_fmul_d(rsdata[t][0].f, rsdata[t][1].f, frm, &fflags); trace->used_fregs.set(rsrc0);
trace->fpu.type = FpuType::FMA; trace->used_fregs.set(rsrc1);
trace->used_fregs.set(rsrc0); break;
trace->used_fregs.set(rsrc1); }
break; case 0x09: { // RV32D: FMUL.D
} rddata[t].f = rv_fmul_d(rsdata[t][0].f, rsdata[t][1].f, frm, &fflags);
case 0x0c: { // RV32F: FDIV.S trace->fpu.type = FpuType::FMA;
trace->used_fregs.set(rsrc0);
trace->used_fregs.set(rsrc1);
break;
}
case 0x0c: { // RV32F: FDIV.S
if (checkBoxedArgs(&rddata[t].f, rsdata[t][0].f, rsdata[t][1].f, &fflags)) {
rddata[t].f = nan_box(rv_fdiv_s(rsdata[t][0].f, rsdata[t][1].f, frm, &fflags)); rddata[t].f = nan_box(rv_fdiv_s(rsdata[t][0].f, rsdata[t][1].f, frm, &fflags));
trace->fpu.type = FpuType::FDIV;
trace->used_fregs.set(rsrc0);
trace->used_fregs.set(rsrc1);
break;
} }
case 0x0d: { // RV32D: FDIV.D trace->fpu.type = FpuType::FDIV;
rddata[t].f = rv_fdiv_d(rsdata[t][0].f, rsdata[t][1].f, frm, &fflags); trace->used_fregs.set(rsrc0);
trace->fpu.type = FpuType::FDIV; trace->used_fregs.set(rsrc1);
trace->used_fregs.set(rsrc0); break;
trace->used_fregs.set(rsrc1); }
break; case 0x0d: { // RV32D: FDIV.D
} rddata[t].f = rv_fdiv_d(rsdata[t][0].f, rsdata[t][1].f, frm, &fflags);
case 0x2c: { // RV32F: FSQRT.S trace->fpu.type = FpuType::FDIV;
trace->used_fregs.set(rsrc0);
trace->used_fregs.set(rsrc1);
break;
}
case 0x2c: { // RV32F: FSQRT.S
if (checkBoxedArgs(&rddata[t].f, rsdata[t][0].f, rsdata[t][1].f, &fflags)) {
rddata[t].f = nan_box(rv_fsqrt_s(rsdata[t][0].f, frm, &fflags)); rddata[t].f = nan_box(rv_fsqrt_s(rsdata[t][0].f, frm, &fflags));
trace->fpu.type = FpuType::FSQRT;
trace->used_fregs.set(rsrc0);
break;
} }
case 0x2d: { // RV32D: FSQRT.D trace->fpu.type = FpuType::FSQRT;
rddata[t].f = rv_fsqrt_d(rsdata[t][0].f, frm, &fflags); trace->used_fregs.set(rsrc0);
trace->fpu.type = FpuType::FSQRT; break;
trace->used_fregs.set(rsrc0); }
break; case 0x2d: { // RV32D: FSQRT.D
} rddata[t].f = rv_fsqrt_d(rsdata[t][0].f, frm, &fflags);
case 0x10: { trace->fpu.type = FpuType::FSQRT;
trace->used_fregs.set(rsrc0);
break;
}
case 0x10: {
if (checkBoxedArgs(&rddata[t].f, rsdata[t][0].f, rsdata[t][1].f, &fflags)) {
switch (func3) { switch (func3) {
case 0: // RV32F: FSGNJ.S case 0: // RV32F: FSGNJ.S
rddata[t].f = nan_box(rv_fsgnj_s(rsdata[t][0].f, rsdata[t][1].f)); rddata[t].f = nan_box(rv_fsgnj_s(rsdata[t][0].f, rsdata[t][1].f));
@@ -958,29 +970,31 @@ void Warp::execute(const Instr &instr, pipeline_trace_t *trace) {
rddata[t].f = nan_box(rv_fsgnjx_s(rsdata[t][0].f, rsdata[t][1].f)); rddata[t].f = nan_box(rv_fsgnjx_s(rsdata[t][0].f, rsdata[t][1].f));
break; break;
} }
trace->fpu.type = FpuType::FNCP; }
trace->used_fregs.set(rsrc0); trace->fpu.type = FpuType::FNCP;
trace->used_fregs.set(rsrc1); trace->used_fregs.set(rsrc0);
trace->used_fregs.set(rsrc1);
break;
}
case 0x11: {
switch (func3) {
case 0: // RV32D: FSGNJ.D
rddata[t].f = rv_fsgnj_d(rsdata[t][0].f, rsdata[t][1].f);
break;
case 1: // RV32D: FSGNJN.D
rddata[t].f = rv_fsgnjn_d(rsdata[t][0].f, rsdata[t][1].f);
break;
case 2: // RV32D: FSGNJX.D
rddata[t].f = rv_fsgnjx_d(rsdata[t][0].f, rsdata[t][1].f);
break; break;
} }
case 0x11: { trace->fpu.type = FpuType::FNCP;
switch (func3) { trace->used_fregs.set(rsrc0);
case 0: // RV32D: FSGNJ.D trace->used_fregs.set(rsrc1);
rddata[t].f = rv_fsgnj_d(rsdata[t][0].f, rsdata[t][1].f); break;
break; }
case 1: // RV32D: FSGNJN.D case 0x14: {
rddata[t].f = rv_fsgnjn_d(rsdata[t][0].f, rsdata[t][1].f); if (checkBoxedArgs(&rddata[t].f, rsdata[t][0].f, rsdata[t][1].f, &fflags)) {
break;
case 2: // RV32D: FSGNJX.D
rddata[t].f = rv_fsgnjx_d(rsdata[t][0].f, rsdata[t][1].f);
break;
}
trace->fpu.type = FpuType::FNCP;
trace->used_fregs.set(rsrc0);
trace->used_fregs.set(rsrc1);
break;
}
case 0x14: {
if (func3) { if (func3) {
// RV32F: FMAX.S // RV32F: FMAX.S
rddata[t].f = nan_box(rv_fmax_s(rsdata[t][0].f, rsdata[t][1].f, &fflags)); rddata[t].f = nan_box(rv_fmax_s(rsdata[t][0].f, rsdata[t][1].f, &fflags));
@@ -988,112 +1002,114 @@ void Warp::execute(const Instr &instr, pipeline_trace_t *trace) {
// RV32F: FMIN.S // RV32F: FMIN.S
rddata[t].f = nan_box(rv_fmin_s(rsdata[t][0].f, rsdata[t][1].f, &fflags)); rddata[t].f = nan_box(rv_fmin_s(rsdata[t][0].f, rsdata[t][1].f, &fflags));
} }
trace->fpu.type = FpuType::FNCP;
trace->used_fregs.set(rsrc0);
trace->used_fregs.set(rsrc1);
break;
} }
case 0x15: { trace->fpu.type = FpuType::FNCP;
if (func3) { trace->used_fregs.set(rsrc0);
// RV32D: FMAX.D trace->used_fregs.set(rsrc1);
rddata[t].f = rv_fmax_d(rsdata[t][0].f, rsdata[t][1].f, &fflags); break;
} else { }
// RV32D: FMIN.D case 0x15: {
rddata[t].f = rv_fmin_d(rsdata[t][0].f, rsdata[t][1].f, &fflags); if (func3) {
} // RV32D: FMAX.D
trace->fpu.type = FpuType::FNCP; rddata[t].f = rv_fmax_d(rsdata[t][0].f, rsdata[t][1].f, &fflags);
trace->used_fregs.set(rsrc0); } else {
trace->used_fregs.set(rsrc1); // RV32D: FMIN.D
break; rddata[t].f = rv_fmin_d(rsdata[t][0].f, rsdata[t][1].f, &fflags);
} }
case 0x20: { trace->fpu.type = FpuType::FNCP;
// RV32D: FCVT.S.D trace->used_fregs.set(rsrc0);
rddata[t].f = nan_box(rv_dtof(rsdata[t][0].f)); trace->used_fregs.set(rsrc1);
trace->fpu.type = FpuType::FNCP; break;
trace->used_fregs.set(rsrc0); }
trace->used_fregs.set(rsrc1); case 0x20: {
break; // RV32D: FCVT.S.D
rddata[t].f = nan_box(rv_dtof(rsdata[t][0].f));
trace->fpu.type = FpuType::FNCP;
trace->used_fregs.set(rsrc0);
trace->used_fregs.set(rsrc1);
break;
}
case 0x21: {
// RV32D: FCVT.D.S
rddata[t].f = rv_ftod(rsdata[t][0].f);
trace->fpu.type = FpuType::FNCP;
trace->used_fregs.set(rsrc0);
trace->used_fregs.set(rsrc1);
break;
}
case 0x60: {
switch (rsrc1) {
case 0:
// RV32F: FCVT.W.S
rddata[t].i = sext((uint64_t)rv_ftoi_s(rsdata[t][0].f, frm, &fflags), 32);
break;
case 1:
// RV32F: FCVT.WU.S
rddata[t].i = sext((uint64_t)rv_ftou_s(rsdata[t][0].f, frm, &fflags), 32);
break;
case 2:
// RV64F: FCVT.L.S
rddata[t].i = rv_ftol_s(rsdata[t][0].f, frm, &fflags);
break;
case 3:
// RV64F: FCVT.LU.S
rddata[t].i = rv_ftolu_s(rsdata[t][0].f, frm, &fflags);
break;
} }
case 0x21: { trace->fpu.type = FpuType::FCVT;
// RV32D: FCVT.D.S trace->used_fregs.set(rsrc0);
rddata[t].f = rv_ftod(rsdata[t][0].f); break;
trace->fpu.type = FpuType::FNCP; }
trace->used_fregs.set(rsrc0); case 0x61: {
trace->used_fregs.set(rsrc1); switch (rsrc1) {
break; case 0:
// RV32D: FCVT.W.D
rddata[t].i = sext((uint64_t)rv_ftoi_d(rsdata[t][0].f, frm, &fflags), 32);
break;
case 1:
// RV32D: FCVT.WU.D
rddata[t].i = sext((uint64_t)rv_ftou_d(rsdata[t][0].f, frm, &fflags), 32);
break;
case 2:
// RV64D: FCVT.L.D
rddata[t].i = rv_ftol_d(rsdata[t][0].f, frm, &fflags);
break;
case 3:
// RV64D: FCVT.LU.D
rddata[t].i = rv_ftolu_d(rsdata[t][0].f, frm, &fflags);
break;
} }
case 0x60: {
switch (rsrc1) {
case 0:
// RV32F: FCVT.W.S
rddata[t].i = sext((uint64_t)rv_ftoi_s(rsdata[t][0].f, frm, &fflags), 32);
break;
case 1:
// RV32F: FCVT.WU.S
rddata[t].i = sext((uint64_t)rv_ftou_s(rsdata[t][0].f, frm, &fflags), 32);
break;
case 2:
// RV64F: FCVT.L.S
rddata[t].i = rv_ftol_s(rsdata[t][0].f, frm, &fflags);
break;
case 3:
// RV64F: FCVT.LU.S
rddata[t].i = rv_ftolu_s(rsdata[t][0].f, frm, &fflags);
break;
}
trace->fpu.type = FpuType::FCVT; trace->fpu.type = FpuType::FCVT;
trace->used_fregs.set(rsrc0); trace->used_fregs.set(rsrc0);
break; break;
} }
case 0x61: { case 0x70: {
switch (rsrc1) { if (func3) {
case 0: // RV32F: FCLASS.S
// RV32D: FCVT.W.D rddata[t].i = rv_fclss_s(rsdata[t][0].f);
rddata[t].i = sext(rv_ftoi_d(rsdata[t][0].f, frm, &fflags), 32); } else {
break; // RV32F: FMV.X.W
case 1: uint32_t result = (uint32_t)rsdata[t][0].f;
// RV32D: FCVT.WU.D rddata[t].i = sext((uint64_t)result, 32);
rddata[t].i = sext(rv_ftou_d(rsdata[t][0].f, frm, &fflags), 32);
break;
case 2:
// RV64D: FCVT.L.D
rddata[t].i = rv_ftol_d(rsdata[t][0].f, frm, &fflags);
break;
case 3:
// RV64D: FCVT.LU.D
rddata[t].i = rv_ftolu_d(rsdata[t][0].f, frm, &fflags);
break;
}
trace->fpu.type = FpuType::FCVT;
trace->used_fregs.set(rsrc0);
break;
} }
case 0x70: { trace->fpu.type = FpuType::FNCP;
if (func3) { trace->used_fregs.set(rsrc0);
// RV32F: FCLASS.S break;
rddata[t].i = rv_fclss_s(rsdata[t][0].f); }
} else { case 0x71: {
// RV32F: FMV.X.W if (func3) {
uint32_t result = (uint32_t)rsdata[t][0].f; // RV32D: FCLASS.D
rddata[t].i = sext((uint64_t)result, 32); rddata[t].i = rv_fclss_d(rsdata[t][0].f);
} } else {
trace->fpu.type = FpuType::FNCP; // RV64D: FMV.X.D
trace->used_fregs.set(rsrc0); rddata[t].i = rsdata[t][0].f;
break;
} }
case 0x71: { trace->fpu.type = FpuType::FNCP;
if (func3) { trace->used_fregs.set(rsrc0);
// RV32D: FCLASS.D break;
rddata[t].i = rv_fclss_d(rsdata[t][0].f); }
} else { case 0x50: {
// RV64D: FMV.X.D if (checkBoxedCmpArgs(&rddata[t].i, rsdata[t][0].f, rsdata[t][1].f, &fflags)) {
rddata[t].i = rsdata[t][0].f;
}
trace->fpu.type = FpuType::FNCP;
trace->used_fregs.set(rsrc0);
break;
}
case 0x50: {
switch (func3) { switch (func3) {
case 0: case 0:
// RV32F: FLE.S // RV32F: FLE.S
@@ -1108,90 +1124,90 @@ void Warp::execute(const Instr &instr, pipeline_trace_t *trace) {
rddata[t].i = rv_feq_s(rsdata[t][0].f, rsdata[t][1].f, &fflags); rddata[t].i = rv_feq_s(rsdata[t][0].f, rsdata[t][1].f, &fflags);
break; break;
} }
trace->fpu.type = FpuType::FNCP; }
trace->used_fregs.set(rsrc0); trace->fpu.type = FpuType::FNCP;
trace->used_fregs.set(rsrc1); trace->used_fregs.set(rsrc0);
trace->used_fregs.set(rsrc1);
break;
}
case 0x51: {
switch (func3) {
case 0:
// RV32D: FLE.D
rddata[t].i = rv_fle_d(rsdata[t][0].f, rsdata[t][1].f, &fflags);
break;
case 1:
// RV32D: FLT.D
rddata[t].i = rv_flt_d(rsdata[t][0].f, rsdata[t][1].f, &fflags);
break;
case 2:
// RV32D: FEQ.D
rddata[t].i = rv_feq_d(rsdata[t][0].f, rsdata[t][1].f, &fflags);
break; break;
} }
case 0x51: { trace->fpu.type = FpuType::FNCP;
switch (func3) { trace->used_fregs.set(rsrc0);
trace->used_fregs.set(rsrc1);
break;
}
case 0x68: {
switch (rsrc1) {
case 0: case 0:
// RV32D: FLE.D // RV32F: FCVT.S.W
rddata[t].i = rv_fle_d(rsdata[t][0].f, rsdata[t][1].f, &fflags); rddata[t].f = nan_box(rv_itof_s(rsdata[t][0].i, frm, &fflags));
break; break;
case 1: case 1:
// RV32D: FLT.D // RV32F: FCVT.S.WU
rddata[t].i = rv_flt_d(rsdata[t][0].f, rsdata[t][1].f, &fflags); rddata[t].f = nan_box(rv_utof_s(rsdata[t][0].i, frm, &fflags));
break; break;
case 2: case 2:
// RV32D: FEQ.D // RV64F: FCVT.S.L
rddata[t].i = rv_feq_d(rsdata[t][0].f, rsdata[t][1].f, &fflags); rddata[t].f = nan_box(rv_ltof_s(rsdata[t][0].i, frm, &fflags));
break;
case 3:
// RV64F: FCVT.S.LU
rddata[t].f = nan_box(rv_lutof_s(rsdata[t][0].i, frm, &fflags));
break; break;
}
trace->fpu.type = FpuType::FNCP;
trace->used_fregs.set(rsrc0);
trace->used_fregs.set(rsrc1);
break;
}
case 0x68: {
switch (rsrc1) {
case 0:
// RV32F: FCVT.S.W
rddata[t].f = nan_box(rv_itof_s(rsdata[t][0].i, frm, &fflags));
break;
case 1:
// RV32F: FCVT.S.WU
rddata[t].f = nan_box(rv_utof_s(rsdata[t][0].i, frm, &fflags));
break;
case 2:
// RV64F: FCVT.S.L
rddata[t].f = nan_box(rv_ltof_s(rsdata[t][0].i, frm, &fflags));
break;
case 3:
// RV64F: FCVT.S.LU
rddata[t].f = nan_box(rv_lutof_s(rsdata[t][0].i, frm, &fflags));
break;
}
trace->fpu.type = FpuType::FCVT;
trace->used_iregs.set(rsrc0);
break;
}
case 0x69: {
switch (rsrc1) {
case 0:
// RV32D: FCVT.D.W
rddata[t].f = rv_itof_d(rsdata[t][0].i, frm, &fflags);
break;
case 1:
// RV32D: FCVT.D.WU
rddata[t].f = rv_utof_d(rsdata[t][0].i, frm, &fflags);
break;
case 2:
// RV64D: FCVT.D.L
rddata[t].f = rv_ltof_d(rsdata[t][0].i, frm, &fflags);
break;
case 3:
// RV64D: FCVT.D.LU
rddata[t].f = rv_lutof_d(rsdata[t][0].i, frm, &fflags);
break;
}
trace->fpu.type = FpuType::FCVT;
trace->used_iregs.set(rsrc0);
break;
}
case 0x78: { // RV32F: FMV.W.X
rddata[t].f = nan_box((uint32_t)rsdata[t][0].i);
trace->fpu.type = FpuType::FNCP;
trace->used_iregs.set(rsrc0);
break;
}
case 0x79: { // RV64D: FMV.D.X
rddata[t].f = rsdata[t][0].i;
trace->fpu.type = FpuType::FNCP;
trace->used_iregs.set(rsrc0);
break;
} }
trace->fpu.type = FpuType::FCVT;
trace->used_iregs.set(rsrc0);
break;
}
case 0x69: {
switch (rsrc1) {
case 0:
// RV32D: FCVT.D.W
rddata[t].f = rv_itof_d(rsdata[t][0].i, frm, &fflags);
break;
case 1:
// RV32D: FCVT.D.WU
rddata[t].f = rv_utof_d(rsdata[t][0].i, frm, &fflags);
break;
case 2:
// RV64D: FCVT.D.L
rddata[t].f = rv_ltof_d(rsdata[t][0].i, frm, &fflags);
break;
case 3:
// RV64D: FCVT.D.LU
rddata[t].f = rv_lutof_d(rsdata[t][0].i, frm, &fflags);
break;
} }
trace->fpu.type = FpuType::FCVT;
trace->used_iregs.set(rsrc0);
break;
}
case 0x78: { // RV32F: FMV.W.X
rddata[t].f = nan_box((uint32_t)rsdata[t][0].i);
trace->fpu.type = FpuType::FNCP;
trace->used_iregs.set(rsrc0);
break;
}
case 0x79: { // RV64D: FMV.D.X
rddata[t].f = rsdata[t][0].i;
trace->fpu.type = FpuType::FNCP;
trace->used_iregs.set(rsrc0);
break;
}
} }
update_fcrs(fflags, core_, t, id_); update_fcrs(fflags, core_, t, id_);
} }

2
tests/riscv/isa/Makefile
View File

@@ -40,7 +40,7 @@ run-simx-64imfd:
run-simx-32: run-simx-32imfd run-simx-32: run-simx-32imfd
run-simx-64: run-simx-64imfd run-simx-64: run-simx-32imfd run-simx-64imfd
run-simx: run-simx-$(XLEN) run-simx: run-simx-$(XLEN)