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| author |   Ralf Baechle <ralf@linux-mips.org> | 2014-04-30 11:09:44 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2014-05-23 15:12:38 +0200 |
| commit | 70e4c234aa48e11c0575364939dfab4cb27b2172 (patch) | |
| tree | 6611c89939d23af61208b503a35ba9564b0279ac /arch/mips/math-emu | |
| parent | MIPS: math-emu: Switch to using the MIPS rounding modes. (diff) | |
| download | linux-dev-70e4c234aa48e11c0575364939dfab4cb27b2172.tar.xz linux-dev-70e4c234aa48e11c0575364939dfab4cb27b2172.zip | |
MIPS: math-emu: Reduce microMIPS bloat.
Move microMIPS32_to_MIPS32() to a separate file which only gets built
for mipsMIPS configurations; for other configurations the optimizer
eleminates calls to microMIPS32_to_MIPS32().
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/math-emu')
| -rw-r--r-- | arch/mips/math-emu/cp1emu.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/mips/math-emu/cp1emu.c b/arch/mips/math-emu/cp1emu.c index 03e233223af7..08e6a74fbc95 100644 --- a/arch/mips/math-emu/cp1emu.c +++ b/arch/mips/math-emu/cp1emu.c @@ -709,6 +709,13 @@ static int cop1Emulate(struct pt_regs *xcp, struct mips_fpu_struct *ctx, u64 dval; int sig; + /* + * These are giving gcc a gentle hint about what to expect in + * dec_inst in order to do better optimization. + */ + if (!cpu_has_mmips && dec_insn.micro_mips_mode) + unreachable(); + /* XXX NEC Vr54xx bug workaround */ if (delay_slot(xcp)) { if (dec_insn.micro_mips_mode) { |