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>
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@ -4175,43 +4175,6 @@ static void gen_tdi(DisasContext *ctx)
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/*** Processor control ***/
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static void gen_read_xer(DisasContext *ctx, TCGv dst)
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{
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TCGv t0 = tcg_temp_new();
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TCGv t1 = tcg_temp_new();
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TCGv t2 = tcg_temp_new();
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tcg_gen_mov_tl(dst, cpu_xer);
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tcg_gen_shli_tl(t0, cpu_so, XER_SO);
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tcg_gen_shli_tl(t1, cpu_ov, XER_OV);
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tcg_gen_shli_tl(t2, cpu_ca, XER_CA);
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tcg_gen_or_tl(t0, t0, t1);
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tcg_gen_or_tl(dst, dst, t2);
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tcg_gen_or_tl(dst, dst, t0);
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if (is_isa300(ctx)) {
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tcg_gen_shli_tl(t0, cpu_ov32, XER_OV32);
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tcg_gen_or_tl(dst, dst, t0);
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tcg_gen_shli_tl(t0, cpu_ca32, XER_CA32);
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tcg_gen_or_tl(dst, dst, t0);
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}
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tcg_temp_free(t0);
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tcg_temp_free(t1);
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tcg_temp_free(t2);
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}
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static void gen_write_xer(TCGv src)
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{
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/* Write all flags, while reading back check for isa300 */
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tcg_gen_andi_tl(cpu_xer, src,
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~((1u << XER_SO) |
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(1u << XER_OV) | (1u << XER_OV32) |
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(1u << XER_CA) | (1u << XER_CA32)));
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tcg_gen_extract_tl(cpu_ov32, src, XER_OV32, 1);
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tcg_gen_extract_tl(cpu_ca32, src, XER_CA32, 1);
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tcg_gen_extract_tl(cpu_so, src, XER_SO, 1);
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tcg_gen_extract_tl(cpu_ov, src, XER_OV, 1);
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tcg_gen_extract_tl(cpu_ca, src, XER_CA, 1);
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}
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/* mcrxr */
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static void gen_mcrxr(DisasContext *ctx)
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{
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@ -116,12 +116,41 @@ static void spr_access_nop(DisasContext *ctx, int sprn, int gprn)
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/* XER */
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static void spr_read_xer(DisasContext *ctx, int gprn, int sprn)
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{
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gen_read_xer(ctx, cpu_gpr[gprn]);
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TCGv dst = cpu_gpr[gprn];
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TCGv t0 = tcg_temp_new();
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TCGv t1 = tcg_temp_new();
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TCGv t2 = tcg_temp_new();
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tcg_gen_mov_tl(dst, cpu_xer);
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tcg_gen_shli_tl(t0, cpu_so, XER_SO);
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tcg_gen_shli_tl(t1, cpu_ov, XER_OV);
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tcg_gen_shli_tl(t2, cpu_ca, XER_CA);
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tcg_gen_or_tl(t0, t0, t1);
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tcg_gen_or_tl(dst, dst, t2);
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tcg_gen_or_tl(dst, dst, t0);
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if (is_isa300(ctx)) {
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tcg_gen_shli_tl(t0, cpu_ov32, XER_OV32);
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tcg_gen_or_tl(dst, dst, t0);
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tcg_gen_shli_tl(t0, cpu_ca32, XER_CA32);
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tcg_gen_or_tl(dst, dst, t0);
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}
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tcg_temp_free(t0);
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tcg_temp_free(t1);
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tcg_temp_free(t2);
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}
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static void spr_write_xer(DisasContext *ctx, int sprn, int gprn)
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{
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gen_write_xer(cpu_gpr[gprn]);
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TCGv src = cpu_gpr[gprn];
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/* Write all flags, while reading back check for isa300 */
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tcg_gen_andi_tl(cpu_xer, src,
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~((1u << XER_SO) |
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(1u << XER_OV) | (1u << XER_OV32) |
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(1u << XER_CA) | (1u << XER_CA32)));
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tcg_gen_extract_tl(cpu_ov32, src, XER_OV32, 1);
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tcg_gen_extract_tl(cpu_ca32, src, XER_CA32, 1);
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tcg_gen_extract_tl(cpu_so, src, XER_SO, 1);
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tcg_gen_extract_tl(cpu_ov, src, XER_OV, 1);
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tcg_gen_extract_tl(cpu_ca, src, XER_CA, 1);
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}
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/* LR */
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