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| author | Paolo Bonzini <pbonzini@redhat.com> | 2014-08-28 19:15:09 +0200 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2014-11-04 23:26:10 +0100 |
| commit | 8f9fb7ac4915dc12c23f9ebbd65808afb780abff (patch) | |
| tree | 4ff67eec67edda4d2e85426ac4d0b1ab577ba8c4 /target-ppc | |
| parent | e57d02022c4ba748fa6c0916319f9108c4502cb9 (diff) | |
| download | qemu-8f9fb7ac4915dc12c23f9ebbd65808afb780abff.tar.gz qemu-8f9fb7ac4915dc12c23f9ebbd65808afb780abff.tar.bz2 qemu-8f9fb7ac4915dc12c23f9ebbd65808afb780abff.zip | |
ppc: compute mask from BI using right shift
This will match the code we use in fpu_helper.c when we flip
CRF_* bit-endianness.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Tom Musta <tommusta@gmail.com>
Tested-by: Tom Musta <tommusta@gmail.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'target-ppc')
| -rw-r--r-- | target-ppc/translate.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/target-ppc/translate.c b/target-ppc/translate.c index d1deba7587..ff0dc13126 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -784,7 +784,7 @@ static void gen_isel(DisasContext *ctx) l1 = gen_new_label(); l2 = gen_new_label(); - mask = 1 << (3 - (bi & 0x03)); + mask = 0x08 >> (bi & 0x03); t0 = tcg_temp_new_i32(); tcg_gen_andi_i32(t0, cpu_crf[bi >> 2], mask); tcg_gen_brcondi_i32(TCG_COND_EQ, t0, 0, l1); @@ -3889,7 +3889,7 @@ static inline void gen_bcond(DisasContext *ctx, int type) if ((bo & 0x10) == 0) { /* Test CR */ uint32_t bi = BI(ctx->opcode); - uint32_t mask = 1 << (3 - (bi & 0x03)); + uint32_t mask = 0x08 >> (bi & 0x03); TCGv_i32 temp = tcg_temp_new_i32(); if (bo & 0x8) { @@ -3971,7 +3971,7 @@ static void glue(gen_, name)(DisasContext *ctx) else \ tcg_gen_mov_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2]); \ tcg_op(t0, t0, t1); \ - bitmask = 1 << (3 - (crbD(ctx->opcode) & 0x03)); \ + bitmask = 0x08 >> (crbD(ctx->opcode) & 0x03); \ tcg_gen_andi_i32(t0, t0, bitmask); \ tcg_gen_andi_i32(t1, cpu_crf[crbD(ctx->opcode) >> 2], ~bitmask); \ tcg_gen_or_i32(cpu_crf[crbD(ctx->opcode) >> 2], t0, t1); \ |