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CVS commit: src/external/gpl3/gcc.old/dist/gcc/config/vax



Module Name:    src
Committed By:   rin
Date:           Sat Oct  7 12:10:59 UTC 2023

Modified Files:
        src/external/gpl3/gcc.old/dist/gcc/config/vax: vax.md

Log Message:
gcc.old: vax: PR port-vax/57646 patch provided by Kalvis Duckmanton [21/21]

Define separate instruction patterns for extzv for the cases where the fiel
d width and offset happen to be a multiple of a byte or word.

If in PIC mode, and the source operand to extzv is a memory
reference, and the address of the memory location is an external
symbol, load the address into a temporary register before expanding
the instruction.

Adjust the constraints to the zero_extract instruction pattern to
disallow indexed source operands, as the VAX extzv instruction
computes offsets based on the size of a byte (not a word or a
longword)


To generate a diff of this commit:
cvs rdiff -u -r1.17 -r1.18 \
    src/external/gpl3/gcc.old/dist/gcc/config/vax/vax.md

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.




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