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authorRichard Henderson <rth@twiddle.net>2013-03-21 10:01:46 +0000
committerAlexander Graf <agraf@suse.de>2013-03-22 15:28:54 +0100
commite0c8f9ce85b360668a7c8cc77cb3b85fac0bd057 (patch)
tree2d7ebe12dd94436331a4395ae667dab793355d7e /target-ppc
parent79482e5ab38a05ca8869040b0d8b8f451f16ff62 (diff)
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target-ppc: Use NARROW_MODE macro for branches
Removing conditional compilation in the process. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'target-ppc')
-rw-r--r--target-ppc/translate.c62
1 files changed, 24 insertions, 38 deletions
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index 47efcd7..63d4dbc 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -267,12 +267,10 @@ static inline void gen_set_access_type(DisasContext *ctx, int access_type)
static inline void gen_update_nip(DisasContext *ctx, target_ulong nip)
{
-#if defined(TARGET_PPC64)
- if (ctx->sf_mode)
- tcg_gen_movi_tl(cpu_nip, nip);
- else
-#endif
- tcg_gen_movi_tl(cpu_nip, (uint32_t)nip);
+ if (NARROW_MODE(ctx)) {
+ nip = (uint32_t)nip;
+ }
+ tcg_gen_movi_tl(cpu_nip, nip);
}
static inline void gen_exception_err(DisasContext *ctx, uint32_t excp, uint32_t error)
@@ -3352,10 +3350,9 @@ static inline void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest)
{
TranslationBlock *tb;
tb = ctx->tb;
-#if defined(TARGET_PPC64)
- if (!ctx->sf_mode)
+ if (NARROW_MODE(ctx)) {
dest = (uint32_t) dest;
-#endif
+ }
if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK) &&
likely(!ctx->singlestep_enabled)) {
tcg_gen_goto_tb(n);
@@ -3383,12 +3380,10 @@ static inline void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest)
static inline void gen_setlr(DisasContext *ctx, target_ulong nip)
{
-#if defined(TARGET_PPC64)
- if (ctx->sf_mode == 0)
- tcg_gen_movi_tl(cpu_lr, (uint32_t)nip);
- else
-#endif
- tcg_gen_movi_tl(cpu_lr, nip);
+ if (NARROW_MODE(ctx)) {
+ nip = (uint32_t)nip;
+ }
+ tcg_gen_movi_tl(cpu_lr, nip);
}
/* b ba bl bla */
@@ -3398,18 +3393,16 @@ static void gen_b(DisasContext *ctx)
ctx->exception = POWERPC_EXCP_BRANCH;
/* sign extend LI */
-#if defined(TARGET_PPC64)
- if (ctx->sf_mode)
- li = ((int64_t)LI(ctx->opcode) << 38) >> 38;
- else
-#endif
- li = ((int32_t)LI(ctx->opcode) << 6) >> 6;
- if (likely(AA(ctx->opcode) == 0))
+ li = LI(ctx->opcode);
+ li = (li ^ 0x02000000) - 0x02000000;
+ if (likely(AA(ctx->opcode) == 0)) {
target = ctx->nip + li - 4;
- else
+ } else {
target = li;
- if (LK(ctx->opcode))
+ }
+ if (LK(ctx->opcode)) {
gen_setlr(ctx, ctx->nip);
+ }
gen_update_cfar(ctx, ctx->nip);
gen_goto_tb(ctx, 0, target);
}
@@ -3445,12 +3438,11 @@ static inline void gen_bcond(DisasContext *ctx, int type)
return;
}
tcg_gen_subi_tl(cpu_ctr, cpu_ctr, 1);
-#if defined(TARGET_PPC64)
- if (!ctx->sf_mode)
+ if (NARROW_MODE(ctx)) {
tcg_gen_ext32u_tl(temp, cpu_ctr);
- else
-#endif
+ } else {
tcg_gen_mov_tl(temp, cpu_ctr);
+ }
if (bo & 0x2) {
tcg_gen_brcondi_tl(TCG_COND_NE, temp, 0, l1);
} else {
@@ -3484,20 +3476,14 @@ static inline void gen_bcond(DisasContext *ctx, int type)
gen_set_label(l1);
gen_goto_tb(ctx, 1, ctx->nip);
} else {
-#if defined(TARGET_PPC64)
- if (!(ctx->sf_mode))
+ if (NARROW_MODE(ctx)) {
tcg_gen_andi_tl(cpu_nip, target, (uint32_t)~3);
- else
-#endif
+ } else {
tcg_gen_andi_tl(cpu_nip, target, ~3);
+ }
tcg_gen_exit_tb(0);
gen_set_label(l1);
-#if defined(TARGET_PPC64)
- if (!(ctx->sf_mode))
- tcg_gen_movi_tl(cpu_nip, (uint32_t)ctx->nip);
- else
-#endif
- tcg_gen_movi_tl(cpu_nip, ctx->nip);
+ gen_update_nip(ctx, ctx->nip);
tcg_gen_exit_tb(0);
}
}