https://sourceware.org/bugzilla/show_bug.cgi?id=31752
Bug ID: 31752
Summary: gas: Support \+ in .rept/.irp/.irpc directives
Product: binutils
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: gas
Assignee: unassigned at sourceware dot org
Reporter: i at maskray dot me
Target Milestone: ---
(https://sourceware.org/pipermail/binutils/2024-May/134009.html RFC:
Maintaining a per-macro invocation count)
gas recently introduced \+ for per-macro invocation counts within .macro/.endm
directives.
Building on discussions at
https://sourceware.org/pipermail/binutils/2024-May/134089.html , extending the
feature to loop directives would be beneficial.
This would allow us to replace .byte 0, 1, 2 with:
.rept 3
.byte \+
.endr
(.irpc i,0123456789 \i .endr) works for a loop when the count is <= 10 but
is cumbersome for larger loop counts.
For nested loops, \+ could indicate the outermost loop for implementation
convenience.
Such constructs are rare and we can rely on clear documentation.
.rept 2
.rept 2
.byte \+
.endr
.endr
# 0 0 1 1
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