diff options
| author | Ryan Dahl <ry@tinyclouds.org> | 2010-07-03 08:36:33 +0200 |
|---|---|---|
| committer | Ryan Dahl <ry@tinyclouds.org> | 2010-07-03 08:37:05 +0200 |
| commit | 2072925f121fe8785dfd046eba24f8d18c59ae75 (patch) | |
| tree | 70dcc90532a9f4da485453c6f40bc93235196071 /deps/v8/src/arm/simulator-arm.cc | |
| parent | 94cd83ef34176f4e451e91c92d3b2596032b8e96 (diff) | |
| download | node-new-2072925f121fe8785dfd046eba24f8d18c59ae75.tar.gz | |
Upgrade V8 to 2.2.21
Diffstat (limited to 'deps/v8/src/arm/simulator-arm.cc')
| -rw-r--r-- | deps/v8/src/arm/simulator-arm.cc | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/deps/v8/src/arm/simulator-arm.cc b/deps/v8/src/arm/simulator-arm.cc index 77776c2b6d..6240cd4787 100644 --- a/deps/v8/src/arm/simulator-arm.cc +++ b/deps/v8/src/arm/simulator-arm.cc @@ -26,6 +26,7 @@ // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #include <stdlib.h> +#include <math.h> #include <cstdarg> #include "v8.h" @@ -2262,7 +2263,8 @@ static int GlueRegCode(bool last_bit, int vm, int m) { // Dd = vmul(Dn, Dm) // Dd = vdiv(Dn, Dm) // vcmp(Dd, Dm) -// VMRS +// vmrs +// Dd = vsqrt(Dm) void Simulator::DecodeTypeVFP(Instr* instr) { ASSERT((instr->TypeField() == 7) && (instr->Bit(24) == 0x0) ); ASSERT(instr->Bits(11, 9) == 0x5); @@ -2284,6 +2286,11 @@ void Simulator::DecodeTypeVFP(Instr* instr) { } else if (((instr->Opc2Field() == 0x4) || (instr->Opc2Field() == 0x5)) && (instr->Opc3Field() & 0x1)) { DecodeVCMP(instr); + } else if (((instr->Opc2Field() == 0x1)) && (instr->Opc3Field() == 0x3)) { + // vsqrt + double dm_value = get_double_from_d_register(vm); + double dd_value = sqrt(dm_value); + set_d_register_from_double(vd, dd_value); } else { UNREACHABLE(); // Not used by V8. } |