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2024-05-15Added a check to enable Thumb-2 floating point code to be treated differentlyDavid Boddie
to Thumb code. This requires Thumb-2 builds to pass the -2 option to tl.
2023-11-16Fixed support for the status flag in some AND instructions.David Boddie
2023-11-16Adapted code from 5l to simplify the FP comparison case.David Boddie
Annotated the integer/float conversion encodings.
2023-11-16Used modified VFP instruction sequences from 5l.David Boddie
2023-11-16Unsuccessfully tried to implement reasonable sets of instructions.David Boddie
2023-11-16Made single and double FP register usage consistent.David Boddie
Worked around double to long handling in the _d2l function.
2023-11-16Adjusted transfers between doubles and register pairs.David Boddie
2023-11-16Fixed register encoding, or at least made our use of registers consistent.David Boddie
2023-11-16Added a note about the number of floating point registers.David Boddie
Hopefully fix float-int transfer and comparison instructions.
2023-11-16Enabled assembly of constant strings into the text segment.David Boddie
2023-11-16Imposed limitations on supported instruction encodings.David Boddie
2023-11-16Moved division and modulo operator support into the compiler.David Boddie
Fixed constant encoding in case 61.
2023-11-16Added support for AND instruction variants.David Boddie
2023-11-16Tidied up the thumbopfp function and added a case for ACMPD.David Boddie
2023-11-16Brought the order of operations in line with the VFP instructions in 5l for ↵David Boddie
easier comparison. Fixed encoding of MOVD and related operations so that their execution causes a trap to occur.
2023-11-16Added support for more floating point operations.David Boddie
Fixed bit flipping for a MOVD instruction.
2023-11-16Added entries to the optab for combinations that occur when compiling bits ↵David Boddie
of a kernel. Split ACMPF handling like the VFP support does in 5l.
2023-11-16Started trying to add missing instructions.David Boddie
2023-11-16Changed an entry in the opcode table to reflect the direction of conversion.David Boddie
Added references to instruction information.
2023-11-16Handled loads and stores using different base registers with slightly ↵David Boddie
different instructions.
2023-11-16Speculatively enable more FP instructions.David Boddie
2023-11-16Worked on converting ARM instructions to Thumb instructions for floating ↵David Boddie
point handling.
2023-11-16Removed unused array entry.David Boddie
2023-11-16Renumbered FP opcodes and imported cases from the arm.c assembler.David Boddie
Added a layer of indirection to float constants to encode them correctly in Thumb instructions.
2023-11-16Prevented change to regular ARM mode.David Boddie
2023-11-16Added FP instructions from the optab.c file.David Boddie
2023-11-16Fixed typo.David Boddie
2021-09-30install tl as tl not 5lCharles Forsyth
2013-06-03sync compilers with Plan 9forsyth
remove 1[acl] 2[acl]