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-rw-r--r--arch/mips/math-emu/cp1emu.c26
1 files changed, 24 insertions, 2 deletions
diff --git a/arch/mips/math-emu/cp1emu.c b/arch/mips/math-emu/cp1emu.c
index 99977c3bf10a..85dd17497151 100644
--- a/arch/mips/math-emu/cp1emu.c
+++ b/arch/mips/math-emu/cp1emu.c
@@ -1675,7 +1675,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
union ieee754sp(*b) (union ieee754sp, union ieee754sp);
union ieee754sp(*u) (union ieee754sp);
} handler;
- union ieee754sp fs, ft;
+ union ieee754sp fd, fs, ft;
switch (MIPSInst_FUNC(ir)) {
/* binary ops */
@@ -1946,6 +1946,17 @@ copcsr:
rfmt = w_fmt;
goto copcsr;
+ case fsel_op:
+ if (!cpu_has_mips_r6)
+ return SIGILL;
+
+ SPFROMREG(fd, MIPSInst_FD(ir));
+ if (fd.bits & 0x1)
+ SPFROMREG(rv.s, MIPSInst_FT(ir));
+ else
+ SPFROMREG(rv.s, MIPSInst_FS(ir));
+ break;
+
case fcvtl_op:
if (!cpu_has_mips_3_4_5_64_r2_r6)
return SIGILL;
@@ -1994,7 +2005,7 @@ copcsr:
}
case d_fmt: {
- union ieee754dp fs, ft;
+ union ieee754dp fd, fs, ft;
union {
union ieee754dp(*b) (union ieee754dp, union ieee754dp);
union ieee754dp(*u) (union ieee754dp);
@@ -2244,6 +2255,17 @@ dcopuop:
rfmt = w_fmt;
goto copcsr;
+ case fsel_op:
+ if (!cpu_has_mips_r6)
+ return SIGILL;
+
+ DPFROMREG(fd, MIPSInst_FD(ir));
+ if (fd.bits & 0x1)
+ DPFROMREG(rv.d, MIPSInst_FT(ir));
+ else
+ DPFROMREG(rv.d, MIPSInst_FS(ir));
+ break;
+
case fcvtl_op:
if (!cpu_has_mips_3_4_5_64_r2_r6)
return SIGILL;