diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-10-08 08:28:26 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-10-08 08:28:26 -0300 |
| commit | f19866e5cb04f8f007cb422132ea4611cdacc8e3 (patch) | |
| tree | ee8d9b12a8ec6335ed76b3c58ba0f3e1fea7616e /arch/mips/math-emu | |
| parent | a700f2d8e79ff80041078f160fe1edccf89b0c66 (diff) | |
Linux-libre 4.2.3-gnupck-4.2.3-gnu
Diffstat (limited to 'arch/mips/math-emu')
| -rw-r--r-- | arch/mips/math-emu/cp1emu.c | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/arch/mips/math-emu/cp1emu.c b/arch/mips/math-emu/cp1emu.c index 712f17a2e..f0f1b98a5 100644 --- a/arch/mips/math-emu/cp1emu.c +++ b/arch/mips/math-emu/cp1emu.c @@ -1137,7 +1137,7 @@ emul: break; case mfhc_op: - if (!cpu_has_mips_r2) + if (!cpu_has_mips_r2_r6) goto sigill; /* copregister rd -> gpr[rt] */ @@ -1148,7 +1148,7 @@ emul: break; case mthc_op: - if (!cpu_has_mips_r2) + if (!cpu_has_mips_r2_r6) goto sigill; /* copregister rd <- gpr[rt] */ @@ -1181,6 +1181,24 @@ emul: } break; + case bc1eqz_op: + case bc1nez_op: + if (!cpu_has_mips_r6 || delay_slot(xcp)) + return SIGILL; + + cond = likely = 0; + switch (MIPSInst_RS(ir)) { + case bc1eqz_op: + if (get_fpr32(¤t->thread.fpu.fpr[MIPSInst_RT(ir)], 0) & 0x1) + cond = 1; + break; + case bc1nez_op: + if (!(get_fpr32(¤t->thread.fpu.fpr[MIPSInst_RT(ir)], 0) & 0x1)) + cond = 1; + break; + } + goto branch_common; + case bc_op: if (delay_slot(xcp)) return SIGILL; @@ -1207,7 +1225,7 @@ emul: case bct_op: break; } - +branch_common: set_delay_slot(xcp); if (cond) { /* |