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Unified Diff: src/arm/code-stubs-arm.h

Issue 14119008: ARM: VFP cleanup now that VFP2 is the baseline. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years, 8 months ago
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Index: src/arm/code-stubs-arm.h
diff --git a/src/arm/code-stubs-arm.h b/src/arm/code-stubs-arm.h
index 75cbf6582c6bd19c8de1b0090a86c7d7fe557539..f31f38e784f38d59574a656bd7c20f35a8de36da 100644
--- a/src/arm/code-stubs-arm.h
+++ b/src/arm/code-stubs-arm.h
@@ -608,142 +608,6 @@ class DirectCEntryStub: public PlatformCodeStub {
};
-class FloatingPointHelper : public AllStatic {
- public:
- enum Destination {
- kVFPRegisters,
- kCoreRegisters
- };
-
-
- // Loads smis from r0 and r1 (right and left in binary operations) into
- // floating point registers. Depending on the destination the values ends up
- // either d7 and d6 or in r2/r3 and r0/r1 respectively. If the destination is
- // floating point registers VFP3 must be supported. If core registers are
- // requested when VFP3 is supported d6 and d7 will be scratched.
- static void LoadSmis(MacroAssembler* masm,
- Destination destination,
- Register scratch1,
- Register scratch2);
-
- // Convert the smi or heap number in object to an int32 using the rules
- // for ToInt32 as described in ECMAScript 9.5.: the value is truncated
- // and brought into the range -2^31 .. +2^31 - 1.
- static void ConvertNumberToInt32(MacroAssembler* masm,
- Register object,
- Register dst,
- Register heap_number_map,
- Register scratch1,
- Register scratch2,
- Register scratch3,
- DwVfpRegister double_scratch1,
- DwVfpRegister double_scratch2,
- Label* not_int32);
-
- // Converts the integer (untagged smi) in |int_scratch| to a double, storing
- // the result either in |double_dst| or |dst2:dst1|, depending on
- // |destination|.
- // Warning: The value in |int_scratch| will be changed in the process!
- static void ConvertIntToDouble(MacroAssembler* masm,
- Register int_scratch,
- Destination destination,
- DwVfpRegister double_dst,
- Register dst1,
- Register dst2,
- Register scratch2,
- SwVfpRegister single_scratch);
-
- // Load the number from object into double_dst in the double format.
- // Control will jump to not_int32 if the value cannot be exactly represented
- // by a 32-bit integer.
- // Floating point value in the 32-bit integer range that are not exact integer
- // won't be loaded.
- static void LoadNumberAsInt32Double(MacroAssembler* masm,
- Register object,
- Destination destination,
- DwVfpRegister double_dst,
- DwVfpRegister double_scratch,
- Register dst1,
- Register dst2,
- Register heap_number_map,
- Register scratch1,
- Register scratch2,
- SwVfpRegister single_scratch,
- Label* not_int32);
-
- // Loads the number from object into dst as a 32-bit integer.
- // Control will jump to not_int32 if the object cannot be exactly represented
- // by a 32-bit integer.
- // Floating point value in the 32-bit integer range that are not exact integer
- // won't be converted.
- // scratch3 is not used when VFP3 is supported.
- static void LoadNumberAsInt32(MacroAssembler* masm,
- Register object,
- Register dst,
- Register heap_number_map,
- Register scratch1,
- Register scratch2,
- Register scratch3,
- DwVfpRegister double_scratch0,
- DwVfpRegister double_scratch1,
- Label* not_int32);
-
- // Generate non VFP3 code to check if a double can be exactly represented by a
- // 32-bit integer. This does not check for 0 or -0, which need
- // to be checked for separately.
- // Control jumps to not_int32 if the value is not a 32-bit integer, and falls
- // through otherwise.
- // src1 and src2 will be cloberred.
- //
- // Expected input:
- // - src1: higher (exponent) part of the double value.
- // - src2: lower (mantissa) part of the double value.
- // Output status:
- // - dst: 32 higher bits of the mantissa. (mantissa[51:20])
- // - src2: contains 1.
- // - other registers are clobbered.
- static void DoubleIs32BitInteger(MacroAssembler* masm,
- Register src1,
- Register src2,
- Register dst,
- Register scratch,
- Label* not_int32);
-
- // Generates code to call a C function to do a double operation using core
- // registers. (Used when VFP3 is not supported.)
- // This code never falls through, but returns with a heap number containing
- // the result in r0.
- // Register heapnumber_result must be a heap number in which the
- // result of the operation will be stored.
- // Requires the following layout on entry:
- // r0: Left value (least significant part of mantissa).
- // r1: Left value (sign, exponent, top of mantissa).
- // r2: Right value (least significant part of mantissa).
- // r3: Right value (sign, exponent, top of mantissa).
- static void CallCCodeForDoubleOperation(MacroAssembler* masm,
- Token::Value op,
- Register heap_number_result,
- Register scratch);
-
- // Loads the objects from |object| into floating point registers.
- // Depending on |destination| the value ends up either in |dst| or
- // in |dst1|/|dst2|. If |destination| is kVFPRegisters, then VFP3
- // must be supported. If kCoreRegisters are requested and VFP3 is
- // supported, |dst| will be scratched. If |object| is neither smi nor
- // heap number, |not_number| is jumped to with |object| still intact.
- static void LoadNumber(MacroAssembler* masm,
- FloatingPointHelper::Destination destination,
- Register object,
- DwVfpRegister dst,
- Register dst1,
- Register dst2,
- Register heap_number_map,
- Register scratch1,
- Register scratch2,
- Label* not_number);
-};
-
-
class NameDictionaryLookupStub: public PlatformCodeStub {
public:
enum LookupMode { POSITIVE_LOOKUP, NEGATIVE_LOOKUP };
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