LCC common code changes from Gigatron-LCC#48

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Commits on Sep 8, 2021

support for comments in md files

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added c++ style comments

lb3361
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leonbottou
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(cpp) Redefine memmove as mymemmove.

lb3361
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(lcc) make sure NEW aligns for all builtin types (including long double)

lb3361
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leonbottou
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(cpp) added option -i to include a specific file before processing anything

lb3361
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leonbottou
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(main.c) report number of errors before bailing out.

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(gen.c) moveself proofed against LOAD other than reg:LOAD(reg)

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Use #line directives in lburg output

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(gen.c) emitasm now calls an IR function emitfmt
leonbottou
committed
increased x.kids size.

lb3361
authored and
leonbottou
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(gen.c) genreload rewrites from the correct non terminal instead of 1
leonbottou
committed
added IR flag wants_cvuf_cvfu for backends that know better.
leonbottou
committed
Implement correct type promotion rules for binary ops
leonbottou
committed
prelabel eliminates null type conversions
leonbottou
committed
Bonus matches are no longer constrained to have zero costs.
leonbottou
committed
(enode.c) made chain of condtree more efficient
leonbottou
committed
(gen.c,tree.c,expr.c) dumptree prints load types, implicit calls warned

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leonbottou
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(simp.c) explicit cast of constant folds it

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(dag.c) assignargs does register-to-register copy

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(gen.c) variable 'spilling' set while spilling can be used to select lburg rules

lb3361
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leonbottou
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(gen.c) Added IR->x.preralloc()

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(dag.c) preserve cse information when avoiding replace

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(enode.c) using signedptr for pointer difference arguments

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Cast printf argument in cpp/tokens.c because longs...
leonbottou
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LCC common code changes from Gigatron-LCC#48

LCC common code changes from Gigatron-LCC#48
lb3361 wants to merge 24 commits into
drh:masterfrom
lb3361:lcc-pull-request

Commits on Sep 8, 2021

support for comments in md files

added c++ style comments

(cpp) Redefine memmove as mymemmove.

(lcc) make sure NEW aligns for all builtin types (including long double)

(cpp) added option -i to include a specific file before processing anything

(main.c) report number of errors before bailing out.

(gen.c) moveself proofed against LOAD other than reg:LOAD(reg)

Use #line directives in lburg output

(gen.c) emitasm now calls an IR function emitfmt

increased x.kids size.

(gen.c) genreload rewrites from the correct non terminal instead of 1

added IR flag wants_cvuf_cvfu for backends that know better.

Implement correct type promotion rules for binary ops

prelabel eliminates null type conversions

Bonus matches are no longer constrained to have zero costs.

(enode.c) made chain of condtree more efficient

(gen.c,tree.c,expr.c) dumptree prints load types, implicit calls warned

(simp.c) explicit cast of constant folds it

(dag.c) assignargs does register-to-register copy

(gen.c) variable 'spilling' set while spilling can be used to select lburg rules

(gen.c) Added IR->x.preralloc()

(dag.c) preserve cse information when avoiding replace

(enode.c) using signedptr for pointer difference arguments

Cast printf argument in cpp/tokens.c because longs...