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Author SHA1 Message Date
Lioncash
c57b146fb2 common/fp/op/FPConvert: Add half-precision instantiations to FPConvert 2020-04-22 20:58:12 +01:00
Merry
f01afc5ae6 Merge pull request #456 from lioncash/mov 
A64: Enable FMOV (general) for half-precision floating point
 2020-04-22 20:58:12 +01:00
Merry
c1ce94872d Merge pull request #455 from lioncash/sqrdmulh-scalar 
A64: Implement SQRDMULH and SQDMULL's scalar indexed variants
 2020-04-22 20:58:11 +01:00
Lioncash
25a7256ee1 A64: Enable FMOV (general) for half-precision floating point 
This just transfers values between vector registers and general-purpose
registers with no conversions performed, so this is trivial to add
support for half-precision to.
 2020-04-22 20:58:11 +01:00
Merry
98d8f81d7c Merge pull request #454 from lioncash/sqrdmulh 
A64: Implement SQRDMULH and SQDMULL{2}'s vector indexed element variants
 2020-04-22 20:58:11 +01:00
Lioncash
97dd3d0596 A64: Implement SQRDMULH's scalar indexed element variant 2020-04-22 20:58:11 +01:00
Merry
42b090d234 Merge pull request #452 from lioncash/frecpx 
A64: Implement FRECPX's half-precision floating-point variant
 2020-04-22 20:58:11 +01:00
Lioncash
49b51e34f1 simd_vector_x_indexed_element: Deduplicate index and Vm operand construction 2020-04-22 20:58:11 +01:00
Lioncash
692aba91b6 A64: Implement SQDMULL{2}'s scalar indexed element variant 2020-04-22 20:58:11 +01:00
Merry
32364fb62c Merge pull request #451 from lioncash/unpck 
common/fp: Minor adjustments for half-precision floating point support
 2020-04-22 20:58:11 +01:00
Lioncash
3a3542414b A64: Implement FRECPX's half-precision floating point variant 2020-04-22 20:58:11 +01:00
Lioncash
c043b831d5 A64: Implement SQDMULL{2}'s by-element variant 2020-04-22 20:58:11 +01:00
Lioncash
72af5a3dff simd_scalar_x_indexed_element: Factor out index and Vm argument construction 
This will be useful in the implementations of SQRDMULH and SQDMULL{2} as
well.
 2020-04-22 20:58:11 +01:00
Merry
37c4c39d62 Merge pull request #448 from lioncash/saturate 
A64: Implement SQSHRN, SQSHRUN, and UQSHRN's scalar variants
 2020-04-22 20:58:11 +01:00
Lioncash
7030b9af95 common/fp/process_nan: Add half-precision instantiations for NaN processing functions 2020-04-22 20:58:11 +01:00
Lioncash
bd892ec4ef frontend/ir/ir_emitter: Amend FPRecipExponent to handle half-precision floating point 2020-04-22 20:58:11 +01:00
Lioncash
224ff0afaa A64: Implement SQRDMULH's by-index vector variant 2020-04-22 20:58:11 +01:00
Merry
f5d774bdbd Merge pull request #449 from lioncash/hp 
common/fp/info: Add specialization of FPInfo for half-precision floating point
 2020-04-22 20:58:11 +01:00
Lioncash
126c29a9e9 A64: Implement SQSHRN, SQSHRUN, and UQSHRN's scalar variants 
These can just be implemented in terms of the vector variants for the
time being.
 2020-04-22 20:58:11 +01:00
Lioncash
14f55d7476 common/fp/unpacked: Add half-precision instantiation of FPRoundBase 2020-04-22 20:58:11 +01:00
Lioncash
974fbf0677 frontend/ir/value: Add U16U32U64 type to represent floating point types 2020-04-22 20:58:11 +01:00
Merry
4b86151a0c Merge pull request #450 from lioncash/cv 
common/fp/unpacked: Add FPRoundCV and FPUnpackCV
 2020-04-22 20:58:11 +01:00
Lioncash
0b67b94b6c common/fp/info: Add specialization of FPInfo for half-precision floating point 
Puts the necessary info struct in place for further use.
 2020-04-22 20:58:11 +01:00
Lioncash
dd7433f9d3 A64: Amend prototypes of some SIMD scalar shift by immediate opcodes 
These take a vector for a destination.
 2020-04-22 20:58:11 +01:00
Lioncash
7e814de445 common/fp/unpacked: Handle half-precision unpacking in FPUnpackBase 2020-04-22 20:58:11 +01:00
Lioncash
eb3e0d5908 common/fp/op/FPRecipExponent: Add half-precision floating point specialization 2020-04-22 20:58:11 +01:00
Merry
bbd5330ad2 Merge pull request #447 from lioncash/flag 
A64: Implement CFINV, RMIF, AXFlag and XAFlag
 2020-04-22 20:58:11 +01:00
Lioncash
99c494bae9 common/fp/unpacked: Add FPRoundCV 
Corresponds to the equivalent pseudocode within the ARMv8 reference
manual. This will be necessary for supporting half-precision
floating-point.

This also makes use of it within FPConvert
 2020-04-22 20:58:11 +01:00
Lioncash
8f9fe8690a common/fp/unpacked: Adjust FPUnpack to operate like ARM pseudocode 
This function is defined as always disabling the AHP bit in the fpcr
before performing any operations.

At the same time, rename the original FPUnpack function to FPUnpackBase
to match the pseudocode in the ARM reference manual.
 2020-04-22 20:58:11 +01:00
Lioncash
a829c93406 common/fp/unpacked: Correct edge-cases within FPUnpack for half-precision floating point 
This corrects one case where floating-point exceptions could be set when
they're not supposed to be.

This also corrects a case where values were being treated as NaNs when
they weren't supposed to be.
 2020-04-22 20:58:11 +01:00
Merry
fb039e232c Merge pull request #442 from lioncash/fcvtxn 
A64: Implement scalar and vector variants of FCVTXN
 2020-04-22 20:58:11 +01:00
Lioncash
6aed4036ef ir_opt/a64_get_set_elimination_pass: Add handling for NZCV raw get and set operations 2020-04-22 20:58:11 +01:00
Lioncash
490bebbd9a common/fp/unpacked: Add FPUnpackCV 
Adds a template function that performs the same behavior as in the ARM
pseudocode, and utilizes it in FPConvert, which will be necessary for
half-float support.
 2020-04-22 20:58:11 +01:00
Merry
4f937c1ee1 Merge pull request #446 from lioncash/sqshl 
A64: Implement scalar variants of SQSHL (register) and UQSHL (register)
 2020-04-22 20:58:11 +01:00
Lioncash
aa22db534b A64: Implement AXFlag and XAFlag 2020-04-22 20:58:11 +01:00
Merry
d74cccbc84 Merge pull request #445 from lioncash/sqrt 
A64: Implement single and double-precision vector variant of FSQRT
 2020-04-22 20:58:11 +01:00
Lioncash
20ffe568d0 A64: Implement RMIF 2020-04-22 20:58:11 +01:00
Merry
6d7e7c3269 Merge pull request #443 from lioncash/flag 
A64: Rearrange flag format/manipulation instructions
 2020-04-22 20:58:11 +01:00
Lioncash
51b526e453 A64: Implement CFINV 2020-04-22 20:58:11 +01:00
Merry
5d01f1b462 Merge pull request #441 from lioncash/constexpr 
common/bit_util: Mark a few functions as constexpr
 2020-04-22 20:58:11 +01:00
Lioncash
597a8be5d5 ir: Add A64-specific opcodes for getting and setting raw NZCV values 
This will be necessary to implement the flag manipulation and flag
format instructions.
 2020-04-22 20:58:11 +01:00
Merry
743c52fdc5 Merge pull request #440 from lioncash/include 
common/fp: Remove unnecessary includes
 2020-04-22 20:58:11 +01:00
Merry
46922b9138 Merge pull request #444 from lioncash/interpret 
A64: Fall back to interpreting for FCADD and FCMLA half-precision variants
 2020-04-22 20:58:11 +01:00
Lioncash
d3515279df A64: Implement the vector version of FCVTXN 2020-04-22 20:58:10 +01:00
Lioncash
17aea0b997 A64: Implement UQSHL (register)'s scalar variant 
This can be implemented in terms of the vector variant.
 2020-04-22 20:58:10 +01:00
Lioncash
c99d4b762e A64: Implement single and double-precision vector variant of FSQRT 2020-04-22 20:58:10 +01:00
Lioncash
54e0b487f3 A64: Rearrange flag format/manipulation instructions 
Gives these instructions better categorical labeling.
 2020-04-22 20:58:10 +01:00
Lioncash
88d1977cb9 common/bit_util: Make a few functions as constexpr 
These four functions can be made constexpr with no issue.
 2020-04-22 20:58:10 +01:00
Lioncash
f33e5939b7 common/fp: Remove unnecessary includes 2020-04-22 20:58:10 +01:00
Lioncash
36027ebef5 frontend/ir/microinstruction: Add missing cases for FPRecipExponent{32,64} for ReadsFromAndWritesToFPSRCumulativeExceptionBits() 
This was intended to be added within #437, but was missed
 2020-04-22 20:58:10 +01:00