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authorPaolo Bonzini <pbonzini@redhat.com>2014-08-28 19:15:09 +0200
committerAlexander Graf <agraf@suse.de>2014-11-04 23:26:10 +0100
commit8f9fb7ac4915dc12c23f9ebbd65808afb780abff (patch)
tree4ff67eec67edda4d2e85426ac4d0b1ab577ba8c4
parente57d02022c4ba748fa6c0916319f9108c4502cb9 (diff)
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>
-rw-r--r--target-ppc/translate.c6
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); \