Cherry-pick improvements for AVR codegen#149

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Patryk27 wants to merge 23 commits intorust-lang:rustc/16.0-2023-06-05from

Patryk27:rustc/16.0-2023-06-05

Commits on Jul 23, 2023

[AVR] Fix incorrect decoding of conditional branch instructions

benshi001
authored and
Patryk27
committed
[AVR][NFC] Remove redundant target feature PROGMEM

benshi001
authored and
Patryk27
committed
[AVR][NFC] Refactor 'AVRAsmPrinter::PrintAsmOperand'

benshi001
authored and
Patryk27
committed
[AVR] Optimize 16-bit comparison with a constant

benshi001
authored and
Patryk27
committed
[AVR] Fix inaccurate offsets in PC relative branch instructions

benshi001
authored and
Patryk27
committed
[AVR][MC] Add ELF flag 'EF_AVR_LINKRELAX_PREPARED' to OBJ files

benshi001
authored and
Patryk27
committed
[AVR] Fix incorrect flags of livein registers when spilling them

benshi001
authored and
Patryk27
committed
[AVR] Fix incorrect expansion of the pseudo 'ELPMBRdZ' instruction

benshi001
authored and
Patryk27
committed
[AVR] Do not emit 'LPM Rd, Z' on devices without FeatureLPMX

benshi001
authored and
Patryk27
committed
[AVR] Fix incorrect expansion of pseudo instructions LPMWRdZ/ELPMWRdZ

benshi001
authored and
Patryk27
committed
[AVR] Reject invalid LDD instruction with explicit error

benshi001
authored and
Patryk27
committed
[AVR][NFC] Fix errors in commit 6e57f68e41c92936b9ef3a4e6fb286e8805a9fbc

benshi001
authored and
Patryk27
committed
[AVR] Disable post increment load from program memory space

benshi001
authored and
Patryk27
committed
[AVR] Fix an issue of writing 16-bit ports

benshi001
authored and
Patryk27
committed
[AVR] Fix incorrect operands of pseudo instruction 'ROLBRd'
Patryk27
committed
[AVR][NFC][test] Suppement a test of the pseudo instruction RORBRd

benshi001
authored and
Patryk27
committed
[AVR][NFC][test] Supplement more tests of 8-bit rotation

benshi001
authored and
Patryk27
committed
[AVR][NFC] Improve CodeGen tests

benshi001
authored and
Patryk27
committed
[AVR] Enable sub register liveness

benshi001
authored and
Patryk27
committed
[AVR] Fix incorrect expansion of pseudo instruction ROLBRd

benshi001
authored and
Patryk27
committed
[AVR] Optimize 8-bit rotation when rotation bits >= 4

benshi001
authored and
Patryk27
committed
[AVR] Optimize 8-bit rotation when rotation bits == 3

benshi001
authored and
Patryk27
committed
[AVR] Expand shifts of all types except int8 and int16
Patryk27
committed

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Cherry-pick improvements for AVR codegen#149

Commits on Jul 23, 2023

[AVR] Fix incorrect decoding of conditional branch instructions

[AVR][NFC] Remove redundant target feature PROGMEM

[AVR][NFC] Refactor 'AVRAsmPrinter::PrintAsmOperand'

[AVR] Optimize 16-bit comparison with a constant

[AVR] Fix inaccurate offsets in PC relative branch instructions

[AVR][MC] Add ELF flag 'EF_AVR_LINKRELAX_PREPARED' to OBJ files

[AVR] Fix incorrect flags of livein registers when spilling them

[AVR] Fix incorrect expansion of the pseudo 'ELPMBRdZ' instruction

[AVR] Do not emit 'LPM Rd, Z' on devices without FeatureLPMX

[AVR] Fix incorrect expansion of pseudo instructions LPMWRdZ/ELPMWRdZ

[AVR] Reject invalid LDD instruction with explicit error

[AVR][NFC] Fix errors in commit 6e57f68e41c92936b9ef3a4e6fb286e8805a9fbc

[AVR] Disable post increment load from program memory space

[AVR] Fix an issue of writing 16-bit ports

[AVR] Fix incorrect operands of pseudo instruction 'ROLBRd'

[AVR][NFC][test] Suppement a test of the pseudo instruction RORBRd

[AVR][NFC][test] Supplement more tests of 8-bit rotation

[AVR][NFC] Improve CodeGen tests

[AVR] Enable sub register liveness

[AVR] Fix incorrect expansion of pseudo instruction ROLBRd

[AVR] Optimize 8-bit rotation when rotation bits >= 4

[AVR] Optimize 8-bit rotation when rotation bits == 3

[AVR] Expand shifts of all types except int8 and int16