Activity for Sergey Belyashov
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Sergey Belyashov committed [551301] on Experimental Mirror (Git)
Fix bug #3253
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isRegInUse renamed to isRegDead
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Make z80/gen.c more readable
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Remove some unnecessary macros
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Fix possible errors caused by operands allocation
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Fix genPlus when right is AOP_IY
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Partially fix bug #3203
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Yet another partial fix for bug #3203
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Fix regressions
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Partially fix bug #3203 for eZ80
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strcmp optimization
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Fix common Z80 peephole rules
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Make some GBZ80 rules common
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Fix bug #3194
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Fix Z80 common peephole rule 41a
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Added rules to move inc/dec hl possible upper
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Add 2 new peepholes for Z80
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Fix RFE #736
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Add GETWORD optimization for Z80 ports
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Add GetABit optimization for Z80 ports
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Fix SWAP H/L simulation for GBZ80
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Enable multibyte RRC/RLC for GBZ80
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Fix typos
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Add support for RLC/RRC optimizations for Z80
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Add 32b swap for all Z80 ports
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Fix regressions coused by previous change
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Add basic support for SWAP iCode for all Z80 ports
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Add basic support for GETBYTE iCode for all Z80 ports
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Fix bug #3137
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New peephole rules
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Apply patch #357 from Tim Stahlhut
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Add option rng seed to simulator
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Optimized versions of abs() and strlen() for GBZ80
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Optimize memset implementation
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Apply patch #343 and patch #347
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Temporary enable initializer list support for GBZ80
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Fix regression introduced in previous change
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Fix bug #3104
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Enhanced regression testing for memmove()
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Add Z80N barrel shifts and jp (c) instructions support
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Delete file forget in previous commit
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Prepare to implement RFE#670 and RFE#707
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Fix possible bug in reorderIlist() when empty array is passed
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New peephole rules, fixed and reenabled rule 44
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Small stdlib optimizations for tlcs90
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Optimize atomic_flag_test_and_set() for r2k and r3ka
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Basic implementation of RFE #649 for tlcs90
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Implement RFE #664 for tlcs90, r2k and r3ka
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Optimize Z80 common peephole rules
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Fix always false conditions
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Make some of Z80 common peephole rules more generic
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More accurate Z80 flags handling by notUsed
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canAssign can handle indirect assignment to register pairs on eZ80_Z80 port
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Enable sp and flags for notUsed for all Z80 ports
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Enable regression test for bug-2363
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Fix bug #2321: Z80 generates unsafe code for critcial function entry
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Implement RFE #152 for Z180, eZ80_Z80 and Z80N
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Implement RFE #678: new peephole constraint unusedRegs
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Z80N: New peephole rules to replcase push nn by ld rr,nn / push rr
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Fix bug #3032: Something wrong with z80n push nn
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Apply patch #312: Initial GNU AS support
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Implement RFE #669
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Add new mapping !hashedbankimmeds
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Fix incorrect syntax of ASXXXX assembler code generated for banked calls
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Fix Bug #3089
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Fix invalid relocation of Z80N PUSH immediate instruction.
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Fix memory test compilation on small systems
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Fix invalid memcpy return value for Z80
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Fix possible read beyond a buffer in canJoinRegs
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Fix Bug #3077 for eZ80, Z180 and Z80N
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Fix eZ80 peephole rules 9hl and 9de
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Fix compiler warning
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New peephole rules for Z80-like ports
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Implement RFE #664 for EZ80_Z80, Z180, GBZ80 and Z80N ports
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Revert unnecessary change
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Initial implementation of RFE #152 for Z80
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Revert banked_call parameters order
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Initial banked functions support for Z80
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Small optimization of ___memcpy for Z80
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Fix Bug #3077 for Z80 port
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Split itoa/ltoa tests on 5 parts
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Optimization of generic memmove()
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Add tests for _itoa, _uitoa, _ltoa and _ultoa
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Fix patch attribution
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Add peephole rule which slitly inscreases execution speed
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Implement RFE #683: Add support for canSplitReg peephole constraint
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Implement RFE #661: add newLabel peephole constraint
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RFE #683: Add unordered regs support
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Fix patch attribution.
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Implement RFE #684
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Partially implement RFE #683
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Implement RFE #632
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Can you illustrate example in some code?
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Because HL is often used in entry/exit code of functions and for indirect access. So passing return values in it results extra save/restore operations.
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One extra byte does not make any sense to memory use, because most of parameters will be passed in registers. Functions with many parameters (more than 3) is always not good. Byte arguments are not used very often too. So I expect raise of used stack memory not above 2-5%.
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Fix library functions for new calling convention
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Fix library functions for new calling convention
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After some time with porting to new calling convention. I think, it is better to use unified calling convention for all ports with IX register. Imho, current rules are very very difficult.
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Fix library functions for new calling convention
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This is how call prepared: ld b, 4 (ix) lea hl, ix, #-34 ld c, l ld a, h push hl push bc inc sp ld b, a push bc ex de, hl call ___itoa
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