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target/ppc: Fold gen_*_xer into their callers 

folded gen_{read,write}_xer into their only callers, spr_{read,write}_xer

Signed-off-by: Bruno Larsen (billionai) <bruno.larsen@eldorado.org.br>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210504140157.76066-2-bruno.larsen@eldorado.org.br>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Bruno Larsen (billionai) 2021-05-04 11:01:53 -03:00 committed by David Gibson
parent ab5add4c7b
commit 1cc9e93ca8
2 changed files with 31 additions and 39 deletions
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37
target/ppc/translate.c
View File

@ -4175,43 +4175,6 @@ static void gen_tdi(DisasContext *ctx)
/*** Processor control ***/
static void gen_read_xer(DisasContext *ctx, TCGv dst)
{
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
TCGv t2 = tcg_temp_new();
tcg_gen_mov_tl(dst, cpu_xer);
tcg_gen_shli_tl(t0, cpu_so, XER_SO);
tcg_gen_shli_tl(t1, cpu_ov, XER_OV);
tcg_gen_shli_tl(t2, cpu_ca, XER_CA);
tcg_gen_or_tl(t0, t0, t1);
tcg_gen_or_tl(dst, dst, t2);
tcg_gen_or_tl(dst, dst, t0);
if (is_isa300(ctx)) {
tcg_gen_shli_tl(t0, cpu_ov32, XER_OV32);
tcg_gen_or_tl(dst, dst, t0);
tcg_gen_shli_tl(t0, cpu_ca32, XER_CA32);
tcg_gen_or_tl(dst, dst, t0);
}
tcg_temp_free(t0);
tcg_temp_free(t1);
tcg_temp_free(t2);
}
static void gen_write_xer(TCGv src)
{
/* Write all flags, while reading back check for isa300 */
tcg_gen_andi_tl(cpu_xer, src,
~((1u << XER_SO) |
(1u << XER_OV) | (1u << XER_OV32) |
(1u << XER_CA) | (1u << XER_CA32)));
tcg_gen_extract_tl(cpu_ov32, src, XER_OV32, 1);
tcg_gen_extract_tl(cpu_ca32, src, XER_CA32, 1);
tcg_gen_extract_tl(cpu_so, src, XER_SO, 1);
tcg_gen_extract_tl(cpu_ov, src, XER_OV, 1);
tcg_gen_extract_tl(cpu_ca, src, XER_CA, 1);
}
/* mcrxr */
static void gen_mcrxr(DisasContext *ctx)
{

33
target/ppc/translate_init.c.inc
View File

@ -116,12 +116,41 @@ static void spr_access_nop(DisasContext *ctx, int sprn, int gprn)
/* XER */
static void spr_read_xer(DisasContext *ctx, int gprn, int sprn)
{
gen_read_xer(ctx, cpu_gpr[gprn]);
TCGv dst = cpu_gpr[gprn];
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
TCGv t2 = tcg_temp_new();
tcg_gen_mov_tl(dst, cpu_xer);
tcg_gen_shli_tl(t0, cpu_so, XER_SO);
tcg_gen_shli_tl(t1, cpu_ov, XER_OV);
tcg_gen_shli_tl(t2, cpu_ca, XER_CA);
tcg_gen_or_tl(t0, t0, t1);
tcg_gen_or_tl(dst, dst, t2);
tcg_gen_or_tl(dst, dst, t0);
if (is_isa300(ctx)) {
tcg_gen_shli_tl(t0, cpu_ov32, XER_OV32);
tcg_gen_or_tl(dst, dst, t0);
tcg_gen_shli_tl(t0, cpu_ca32, XER_CA32);
tcg_gen_or_tl(dst, dst, t0);
}
tcg_temp_free(t0);
tcg_temp_free(t1);
tcg_temp_free(t2);
}
static void spr_write_xer(DisasContext *ctx, int sprn, int gprn)
{
gen_write_xer(cpu_gpr[gprn]);
TCGv src = cpu_gpr[gprn];
/* Write all flags, while reading back check for isa300 */
tcg_gen_andi_tl(cpu_xer, src,
~((1u << XER_SO) |
(1u << XER_OV) | (1u << XER_OV32) |
(1u << XER_CA) | (1u << XER_CA32)));
tcg_gen_extract_tl(cpu_ov32, src, XER_OV32, 1);
tcg_gen_extract_tl(cpu_ca32, src, XER_CA32, 1);
tcg_gen_extract_tl(cpu_so, src, XER_SO, 1);
tcg_gen_extract_tl(cpu_ov, src, XER_OV, 1);
tcg_gen_extract_tl(cpu_ca, src, XER_CA, 1);
}
/* LR */