MIPS: math-emu: dsemul: Remove an unused bit in ADDIUPC emulation
authorMaciej W. Rozycki <macro@imgtec.com>
Sat, 30 Jan 2016 09:09:43 +0000 (09:09 +0000)
committerRalf Baechle <ralf@linux-mips.org>
Fri, 13 May 2016 12:01:55 +0000 (14:01 +0200)
Avoid a reader's confusion, as the calculation is correct either way.

Signed-off-by: Maciej W. Rozycki <macro@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/12283/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
arch/mips/math-emu/dsemul.c

index 46b964d2b79c0a0f24aa7cf6e77e1846a88e842f..d4ceacd4fa1282b06cf1cef7d494e5c2731e611b 100644 (file)
@@ -60,7 +60,7 @@ int mips_dsemul(struct pt_regs *regs, mips_instruction ir, unsigned long cpc)
                        unsigned int rs;
                        s32 v;
 
-                       rs = (((insn.mm_a_format.rs + 0x1e) & 0xf) + 2);
+                       rs = (((insn.mm_a_format.rs + 0xe) & 0xf) + 2);
                        v = regs->cp0_epc & ~3;
                        v += insn.mm_a_format.simmediate << 2;
                        regs->regs[rs] = (long)v;