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target/ppc: Split out gen_load_locked

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Leave only the minimal amount of code within the LDAR macro,
moving the rest of the code into gen_load_locked.  Use MO_ALIGN
and remove the explicit call to gen_check_align.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Richard Henderson 2018-06-26 09:19:15 -07:00 committed by David Gibson
parent d8b8689827
commit 2a4e6c1bff
1 changed files with 18 additions and 17 deletions
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35
target/ppc/translate.c
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@ -3070,23 +3070,24 @@ static void gen_isync(DisasContext *ctx)
#define MEMOP_GET_SIZE(x) (1 << ((x) & MO_SIZE))
#define LARX(name, memop) \
static void gen_##name(DisasContext *ctx) \
{ \
TCGv t0; \
TCGv gpr = cpu_gpr[rD(ctx->opcode)]; \
int len = MEMOP_GET_SIZE(memop); \
gen_set_access_type(ctx, ACCESS_RES); \
t0 = tcg_temp_local_new(); \
gen_addr_reg_index(ctx, t0); \
if ((len) > 1) { \
gen_check_align(ctx, t0, (len)-1); \
} \
tcg_gen_qemu_ld_tl(gpr, t0, ctx->mem_idx, memop); \
tcg_gen_mov_tl(cpu_reserve, t0); \
tcg_gen_mov_tl(cpu_reserve_val, gpr); \
tcg_gen_mb(TCG_MO_ALL | TCG_BAR_LDAQ); \
tcg_temp_free(t0); \
static void gen_load_locked(DisasContext *ctx, TCGMemOp memop)
{
TCGv gpr = cpu_gpr[rD(ctx->opcode)];
TCGv t0 = tcg_temp_new();
gen_set_access_type(ctx, ACCESS_RES);
gen_addr_reg_index(ctx, t0);
tcg_gen_qemu_ld_tl(gpr, t0, ctx->mem_idx, memop | MO_ALIGN);
tcg_gen_mov_tl(cpu_reserve, t0);
tcg_gen_mov_tl(cpu_reserve_val, gpr);
tcg_gen_mb(TCG_MO_ALL | TCG_BAR_LDAQ);
tcg_temp_free(t0);
}
#define LARX(name, memop) \
static void gen_##name(DisasContext *ctx) \
{ \
gen_load_locked(ctx, memop); \
}
/* lwarx */