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MIPS/include: opcode/mips.h: Update stale comment for CODE20 operand

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Complement commit 1586d91e32ea ("/ 0 should send SIGFPE not SIGTRAP..."),
<https://sourceware.org/ml/binutils/2004-07/msg00260.html>, and update a
stale comment referring the 20-bit code field of the BREAK and SDBBP
instructions, by making it explicit that where permitted by choosing the
MIPS32 or a later ISA the whole field can now be set with a single
operand for the SDBBP instruction only.

	include/
	* opcode/mips.h: Update comment for MIPS32 CODE20 operand.
This commit is contained in:
Maciej W. Rozycki
2019-04-25 01:28:49 +01:00
parent f88dbe3f8a
commit cd0923370b
2 changed files with 6 additions and 2 deletions
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4
include/opcode/mips.h
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@ -56,8 +56,8 @@ extern "C" {
code field in BREAK is 20 bits; yet MIPS assemblers and debuggers
only use ten bits). An optional two-operand form of break/sdbbp
allows the lower ten bits to be set too, and MIPS32 and later
architectures allow 20 bits to be set with a signal operand
(using CODE20).
architectures allow 20 bits to be set with a single operand for
the sdbbp instruction (using CODE20).
The syscall instruction uses CODE20.