///
CALL,
- /// This operation implements the lowering for readcyclecounter
+ /// This operation implements the lowering for readcyclecounter.
RDTSC_DAG,
/// X86 Read Time-Stamp Counter and Processor ID.
FMIN_RND,
FSQRT_RND,
- // FP vector get exponent
+ // FP vector get exponent.
FGETEXP_RND,
- // Extract Normalized Mantissas
+ // Extract Normalized Mantissas.
VGETMANT,
- // FP Scale
+ // FP Scale.
SCALEF,
+
// Integer add/sub with unsigned saturation.
ADDUS,
SUBUS,
+
// Integer add/sub with signed saturation.
ADDS,
SUBS,
- // Unsigned Integer average
+
+ // Unsigned Integer average.
AVG,
- /// Integer horizontal add.
- HADD,
- /// Integer horizontal sub.
+ /// Integer horizontal add/sub.
+ HADD,
HSUB,
- /// Floating point horizontal add.
+ /// Floating point horizontal add/sub.
FHADD,
-
- /// Floating point horizontal sub.
FHSUB,
// Integer absolute value
// Vector integer zero-extend.
VZEXT,
-
// Vector integer signed-extend.
VSEXT,
ADD, SUB, ADC, SBB, SMUL,
INC, DEC, OR, XOR, AND,
- BEXTR, // Bit field extract
+ // Bit field extract.
+ BEXTR,
- UMUL, // LOW, HI, FLAGS = umul LHS, RHS
+ // LOW, HI, FLAGS = umul LHS, RHS.
+ UMUL,
- // 8-bit SMUL/UMUL - AX, FLAGS = smul8/umul8 AL, RHS
+ // 8-bit SMUL/UMUL - AX, FLAGS = smul8/umul8 AL, RHS.
SMUL8, UMUL8,
// 8-bit divrem that zero-extend the high result (AH).
TESTM,
TESTNM,
- // OR/AND test for masks
+ // OR/AND test for masks.
KORTEST,
KTEST,
// Several flavors of instructions with vector shuffle behaviors.
+ // Saturated signed/unnsigned packing.
PACKSS,
PACKUS,
- // Intra-lane alignr
+ // Intra-lane alignr.
PALIGNR,
- // AVX512 inter-lane alignr
+ // AVX512 inter-lane alignr.
VALIGN,
PSHUFD,
PSHUFHW,
PSHUFLW,
SHUFP,
- //Shuffle Packed Values at 128-bit granularity
+ //Shuffle Packed Values at 128-bit granularity.
SHUF128,
MOVDDUP,
MOVSHDUP,
VPERMI,
VPERM2X128,
- // Variable Permute (VPERM)
+ // Variable Permute (VPERM).
// Res = VPERMV MaskV, V0
VPERMV,
- // 3-op Variable Permute (VPERMT2)
+ // 3-op Variable Permute (VPERMT2).
// Res = VPERMV3 V0, MaskV, V1
VPERMV3,
- // 3-op Variable Permute overwriting the index (VPERMI2)
+ // 3-op Variable Permute overwriting the index (VPERMI2).
// Res = VPERMIV3 V0, MaskV, V1
VPERMIV3,
- // Bitwise ternary logic
+ // Bitwise ternary logic.
VPTERNLOG,
- // Fix Up Special Packed Float32/64 values
+ // Fix Up Special Packed Float32/64 values.
VFIXUPIMM,
VFIXUPIMMS,
- // Range Restriction Calculation For Packed Pairs of Float32/64 values
+ // Range Restriction Calculation For Packed Pairs of Float32/64 values.
VRANGE,
- // Reduce - Perform Reduction Transformation on scalar\packed FP
+ // Reduce - Perform Reduction Transformation on scalar\packed FP.
VREDUCE,
- // RndScale - Round FP Values To Include A Given Number Of Fraction Bits
+ // RndScale - Round FP Values To Include A Given Number Of Fraction Bits.
VRNDSCALE,
- // VFPCLASS - Tests Types Of a FP Values for packed types.
- VFPCLASS,
- // VFPCLASSS - Tests Types Of a FP Values for scalar types.
- VFPCLASSS,
- // Broadcast scalar to vector
+ // Tests Types Of a FP Values for packed types.
+ VFPCLASS,
+ // Tests Types Of a FP Values for scalar types.
+ VFPCLASSS,
+
+ // Broadcast scalar to vector.
VBROADCAST,
- // Broadcast mask to vector
+ // Broadcast mask to vector.
VBROADCASTM,
- // Broadcast subvector to vector
+ // Broadcast subvector to vector.
SUBV_BROADCAST,
- // Insert/Extract vector element
+
+ // Insert/Extract vector element.
VINSERT,
VEXTRACT,
/// SSE4A Extraction and Insertion.
EXTRQI, INSERTQI,
- // XOP variable/immediate rotations
+ // XOP variable/immediate rotations.
VPROT, VPROTI,
- // XOP arithmetic/logical shifts
+ // XOP arithmetic/logical shifts.
VPSHA, VPSHL,
- // XOP signed/unsigned integer comparisons
+ // XOP signed/unsigned integer comparisons.
VPCOM, VPCOMU,
- // XOP packed permute bytes
+ // XOP packed permute bytes.
VPPERM,
- // Vector multiply packed unsigned doubleword integers
+ // Vector multiply packed unsigned doubleword integers.
PMULUDQ,
- // Vector multiply packed signed doubleword integers
+ // Vector multiply packed signed doubleword integers.
PMULDQ,
- // Vector Multiply Packed UnsignedIntegers with Round and Scale
+ // Vector Multiply Packed UnsignedIntegers with Round and Scale.
MULHRS,
- // Multiply and Add Packed Integers
+
+ // Multiply and Add Packed Integers.
VPMADDUBSW, VPMADDWD,
VPMADD52L, VPMADD52H,
- // FMA nodes
+
+ // FMA nodes.
FMADD,
FNMADD,
FMSUB,
FNMSUB,
FMADDSUB,
FMSUBADD,
- // FMA with rounding mode
+
+ // FMA with rounding mode.
FMADD_RND,
FNMADD_RND,
FMSUB_RND,
FMADDSUB_RND,
FMSUBADD_RND,
- // Compress and expand
+ // Compress and expand.
COMPRESS,
EXPAND,
- //Convert Unsigned/Integer to Scalar Floating-Point Value
- //with rounding mode
+ // Convert Unsigned/Integer to Scalar Floating-Point Value
+ // with rounding mode.
SINT_TO_FP_RND,
UINT_TO_FP_RND,
FP_TO_SINT_RND, FP_TO_UINT_RND,
// Scalar float/double to signed/unsigned integer.
SCALAR_FP_TO_SINT_RND, SCALAR_FP_TO_UINT_RND,
+
// Save xmm argument registers to the stack, according to %al. An operator
// is needed so that this can be expanded with control flow.
VASTART_SAVE_XMM_REGS,
// falls back to heap allocation if not.
SEG_ALLOCA,
- // Memory barrier
+ // Memory barriers.
MEMBARRIER,
MFENCE,
SFENCE,
// indicate whether it is valid in CF.
RDSEED,
+ // SSE42 string comparisons.
PCMPISTRI,
PCMPESTRI,
// Test if in transactional execution.
XTEST,
- // ERI instructions
+ // ERI instructions.
RSQRT28, RCP28, EXP2,
// Compare and swap.
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