提交 98a833c1 编写于 作者: M Markos Chandras

MIPS: asm: asmmacro: Replace "add" instructions with "addu"

The "add" instruction is actually a macro in binutils and depending on
the size of the immediate it can expand to an "addi" instruction.
However, the "addi" instruction traps on overflows which is not
something we want on address calculation.

Link: http://www.linux-mips.org/archives/linux-mips/2015-01/msg00121.html
Cc: Paul Burton <paul.burton@imgtec.com>
Cc: Maciej W. Rozycki <macro@linux-mips.org>
Cc: <stable@vger.kernel.org> # v3.15+
Signed-off-by: NMarkos Chandras <markos.chandras@imgtec.com>
上级 226da55f
...@@ -304,7 +304,7 @@ ...@@ -304,7 +304,7 @@
.set push .set push
.set noat .set noat
SET_HARDFLOAT SET_HARDFLOAT
add $1, \base, \off addu $1, \base, \off
.word LDD_MSA_INSN | (\wd << 6) .word LDD_MSA_INSN | (\wd << 6)
.set pop .set pop
.endm .endm
...@@ -313,7 +313,7 @@ ...@@ -313,7 +313,7 @@
.set push .set push
.set noat .set noat
SET_HARDFLOAT SET_HARDFLOAT
add $1, \base, \off addu $1, \base, \off
.word STD_MSA_INSN | (\wd << 6) .word STD_MSA_INSN | (\wd << 6)
.set pop .set pop
.endm .endm
......
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