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target-ppc: VSX Stage 4: Refactor lxsdx 

This patch refactors the lxsdx generator. Resuable code is isolated
into a macro.  The macro will be used in subsequent patches in this
series to implement other scalar load instructions.

Signed-off-by: Tom Musta <tommusta@gmail.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Tom Musta 2014-01-15 08:10:29 -06:00 committed by Alexander Graf
parent dbcc48fa8f
commit e072fe796e
1 changed files with 16 additions and 13 deletions
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29
target-ppc/translate.c
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@ -7022,21 +7022,24 @@ static inline TCGv_i64 cpu_vsrl(int n)
}
}
static void gen_lxsdx(DisasContext *ctx)
{
TCGv EA;
if (unlikely(!ctx->vsx_enabled)) {
gen_exception(ctx, POWERPC_EXCP_VSXU);
return;
}
gen_set_access_type(ctx, ACCESS_INT);
EA = tcg_temp_new();
gen_addr_reg_index(ctx, EA);
gen_qemu_ld64(ctx, cpu_vsrh(xT(ctx->opcode)), EA);
/* NOTE: cpu_vsrl is undefined */
tcg_temp_free(EA);
#define VSX_LOAD_SCALAR(name, operation) \
static void gen_##name(DisasContext *ctx) \
{ \
TCGv EA; \
if (unlikely(!ctx->vsx_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_VSXU); \
return; \
} \
gen_set_access_type(ctx, ACCESS_INT); \
EA = tcg_temp_new(); \
gen_addr_reg_index(ctx, EA); \
gen_qemu_##operation(ctx, cpu_vsrh(xT(ctx->opcode)), EA); \
/* NOTE: cpu_vsrl is undefined */ \
tcg_temp_free(EA); \
}
VSX_LOAD_SCALAR(lxsdx, ld64)
static void gen_lxvd2x(DisasContext *ctx)
{
TCGv EA;