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doc: Update documentation on MODE_PARTIAL_INT subregs
authorJozef Lawrynowicz <jozef.l@mittosystems.com>
Mon, 7 Sep 2020 16:52:04 +0000 (17:52 +0100)
committerJozef Lawrynowicz <jozef.l@mittosystems.com>
Mon, 7 Sep 2020 16:54:23 +0000 (17:54 +0100)
commit016b190036437f7a357f0a3ce5281fd70620a1a5
tree3629a056d20cd56d0d9910595ff6125bc5871d87tree
parent7f87e446691f1debfe2671a40f8738bd5e128832commit | diff
doc: Update documentation on MODE_PARTIAL_INT subregs

In d8487c949ad5, MODE_PARTIAL_INT modes were changed from having an
unknown number of undefined bits, to having a known number of undefined
bits, however the documentation on using SUBREG expressions with
MODE_PARTIAL_INT modes was not updated to reflect this.

gcc/ChangeLog:

* doc/rtl.texi (subreg): Fix documentation to state there is a known
number of undefined bits in regs and subregs of MODE_PARTIAL_INT modes.
gcc/doc/rtl.texi diff | blob | history