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authoraurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162>2008-12-05 07:21:44 +0000
committeraurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162>2008-12-05 07:21:44 +0000
commit7487953d704369c7acc7486f09eaf87faa5d3693 (patch)
tree87abd4ffd1a6bd46adc29139ca4381ea35c66b8e /target-ppc/translate.c
parent54cdcae646bdc4b87b2355ba7d9aab85c39b2c31 (diff)
downloadqemu-7487953d704369c7acc7486f09eaf87faa5d3693.zip
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target-ppc: convert POWER shift instructions to TCG
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5882 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-ppc/translate.c')
-rw-r--r--target-ppc/translate.c350
1 files changed, 258 insertions, 92 deletions
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index bb0b79d..8312ccb 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -4626,195 +4626,361 @@ GEN_HANDLER(nabso, 0x1F, 0x08, 0x1F, 0x00000000, PPC_POWER_BR)
/* rlmi - rlmi. */
GEN_HANDLER(rlmi, 0x16, 0xFF, 0xFF, 0x00000000, PPC_POWER_BR)
{
- uint32_t mb, me;
-
- mb = MB(ctx->opcode);
- me = ME(ctx->opcode);
- tcg_gen_mov_tl(cpu_T[0], cpu_gpr[rS(ctx->opcode)]);
- tcg_gen_mov_tl(cpu_T[1], cpu_gpr[rA(ctx->opcode)]);
- tcg_gen_mov_tl(cpu_T[2], cpu_gpr[rB(ctx->opcode)]);
- gen_op_POWER_rlmi(MASK(mb, me), ~MASK(mb, me));
- tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], cpu_T[0]);
+ uint32_t mb = MB(ctx->opcode);
+ uint32_t me = ME(ctx->opcode);
+ TCGv t0 = tcg_temp_new();
+ tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
+ tcg_gen_rotl_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
+ tcg_gen_andi_tl(t0, t0, MASK(mb, me));
+ tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], ~MASK(mb, me));
+ tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], t0);
+ tcg_temp_free(t0);
if (unlikely(Rc(ctx->opcode) != 0))
- gen_set_Rc0(ctx, cpu_T[0]);
+ gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* rrib - rrib. */
GEN_HANDLER(rrib, 0x1F, 0x19, 0x10, 0x00000000, PPC_POWER_BR)
{
- tcg_gen_mov_tl(cpu_T[0], cpu_gpr[rS(ctx->opcode)]);
- tcg_gen_mov_tl(cpu_T[1], cpu_gpr[rA(ctx->opcode)]);
- tcg_gen_mov_tl(cpu_T[2], cpu_gpr[rB(ctx->opcode)]);
- gen_op_POWER_rrib();
- tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], cpu_T[0]);
+ TCGv t0 = tcg_temp_new();
+ TCGv t1 = tcg_temp_new();
+ tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
+ tcg_gen_movi_tl(t1, 0x80000000);
+ tcg_gen_shr_tl(t1, t1, t0);
+ tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
+ tcg_gen_and_tl(t0, t0, t1);
+ tcg_gen_andc_tl(t1, cpu_gpr[rA(ctx->opcode)], t1);
+ tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
+ tcg_temp_free(t0);
+ tcg_temp_free(t1);
if (unlikely(Rc(ctx->opcode) != 0))
- gen_set_Rc0(ctx, cpu_T[0]);
+ gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* sle - sle. */
GEN_HANDLER(sle, 0x1F, 0x19, 0x04, 0x00000000, PPC_POWER_BR)
{
- tcg_gen_mov_tl(cpu_T[0], cpu_gpr[rS(ctx->opcode)]);
- tcg_gen_mov_tl(cpu_T[1], cpu_gpr[rB(ctx->opcode)]);
- gen_op_POWER_sle();
- tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], cpu_T[0]);
+ TCGv t0 = tcg_temp_new();
+ TCGv t1 = tcg_temp_new();
+ tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
+ tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
+ tcg_gen_subfi_tl(t1, 32, t1);
+ tcg_gen_shr_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
+ tcg_gen_or_tl(t1, t0, t1);
+ tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
+ gen_store_spr(SPR_MQ, t1);
+ tcg_temp_free(t0);
+ tcg_temp_free(t1);
if (unlikely(Rc(ctx->opcode) != 0))
- gen_set_Rc0(ctx, cpu_T[0]);
+ gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* sleq - sleq. */
GEN_HANDLER(sleq, 0x1F, 0x19, 0x06, 0x00000000, PPC_POWER_BR)
{
- tcg_gen_mov_tl(cpu_T[0], cpu_gpr[rS(ctx->opcode)]);
- tcg_gen_mov_tl(cpu_T[1], cpu_gpr[rB(ctx->opcode)]);
- gen_op_POWER_sleq();
- tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], cpu_T[0]);
+ TCGv t0 = tcg_temp_new();
+ TCGv t1 = tcg_temp_new();
+ TCGv t2 = tcg_temp_new();
+ tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
+ tcg_gen_movi_tl(t2, 0xFFFFFFFF);
+ tcg_gen_shl_tl(t2, t2, t0);
+ tcg_gen_rotl_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
+ gen_load_spr(t1, SPR_MQ);
+ gen_store_spr(SPR_MQ, t0);
+ tcg_gen_and_tl(t0, t0, t2);
+ tcg_gen_andc_tl(t1, t1, t2);
+ tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
+ tcg_temp_free(t0);
+ tcg_temp_free(t1);
+ tcg_temp_free(t2);
if (unlikely(Rc(ctx->opcode) != 0))
- gen_set_Rc0(ctx, cpu_T[0]);
+ gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* sliq - sliq. */
GEN_HANDLER(sliq, 0x1F, 0x18, 0x05, 0x00000000, PPC_POWER_BR)
{
- tcg_gen_mov_tl(cpu_T[0], cpu_gpr[rS(ctx->opcode)]);
- tcg_gen_movi_tl(cpu_T[1], SH(ctx->opcode));
- gen_op_POWER_sle();
- tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], cpu_T[0]);
+ int sh = SH(ctx->opcode);
+ TCGv t0 = tcg_temp_new();
+ TCGv t1 = tcg_temp_new();
+ tcg_gen_shli_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
+ tcg_gen_shri_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh);
+ tcg_gen_or_tl(t1, t0, t1);
+ tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
+ gen_store_spr(SPR_MQ, t1);
+ tcg_temp_free(t0);
+ tcg_temp_free(t1);
if (unlikely(Rc(ctx->opcode) != 0))
- gen_set_Rc0(ctx, cpu_T[0]);
+ gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* slliq - slliq. */
GEN_HANDLER(slliq, 0x1F, 0x18, 0x07, 0x00000000, PPC_POWER_BR)
{
- tcg_gen_mov_tl(cpu_T[0], cpu_gpr[rS(ctx->opcode)]);
- tcg_gen_movi_tl(cpu_T[1], SH(ctx->opcode));
- gen_op_POWER_sleq();
- tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], cpu_T[0]);
+ int sh = SH(ctx->opcode);
+ TCGv t0 = tcg_temp_new();
+ TCGv t1 = tcg_temp_new();
+ tcg_gen_rotli_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
+ gen_load_spr(t1, SPR_MQ);
+ gen_store_spr(SPR_MQ, t0);
+ tcg_gen_andi_tl(t0, t0, (0xFFFFFFFFU << sh));
+ tcg_gen_andi_tl(t1, t1, ~(0xFFFFFFFFU << sh));
+ tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
+ tcg_temp_free(t0);
+ tcg_temp_free(t1);
if (unlikely(Rc(ctx->opcode) != 0))
- gen_set_Rc0(ctx, cpu_T[0]);
+ gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* sllq - sllq. */
GEN_HANDLER(sllq, 0x1F, 0x18, 0x06, 0x00000000, PPC_POWER_BR)
{
- tcg_gen_mov_tl(cpu_T[0], cpu_gpr[rS(ctx->opcode)]);
- tcg_gen_mov_tl(cpu_T[1], cpu_gpr[rB(ctx->opcode)]);
- gen_op_POWER_sllq();
- tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], cpu_T[0]);
+ int l1 = gen_new_label();
+ int l2 = gen_new_label();
+ TCGv t0 = tcg_temp_local_new();
+ TCGv t1 = tcg_temp_local_new();
+ TCGv t2 = tcg_temp_local_new();
+ tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F);
+ tcg_gen_movi_tl(t1, 0xFFFFFFFF);
+ tcg_gen_shl_tl(t1, t1, t2);
+ tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20);
+ tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
+ gen_load_spr(t0, SPR_MQ);
+ tcg_gen_and_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
+ tcg_gen_br(l2);
+ gen_set_label(l1);
+ tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t2);
+ gen_load_spr(t2, SPR_MQ);
+ tcg_gen_andc_tl(t1, t2, t1);
+ tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
+ gen_set_label(l2);
+ tcg_temp_free(t0);
+ tcg_temp_free(t1);
+ tcg_temp_free(t2);
if (unlikely(Rc(ctx->opcode) != 0))
- gen_set_Rc0(ctx, cpu_T[0]);
+ gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* slq - slq. */
GEN_HANDLER(slq, 0x1F, 0x18, 0x04, 0x00000000, PPC_POWER_BR)
{
- tcg_gen_mov_tl(cpu_T[0], cpu_gpr[rS(ctx->opcode)]);
- tcg_gen_mov_tl(cpu_T[1], cpu_gpr[rB(ctx->opcode)]);
- gen_op_POWER_slq();
- tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], cpu_T[0]);
+ int l1 = gen_new_label();
+ TCGv t0 = tcg_temp_new();
+ TCGv t1 = tcg_temp_new();
+ tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
+ tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
+ tcg_gen_subfi_tl(t1, 32, t1);
+ tcg_gen_shr_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
+ tcg_gen_or_tl(t1, t0, t1);
+ gen_store_spr(SPR_MQ, t1);
+ tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x20);
+ tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
+ tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
+ tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
+ gen_set_label(l1);
+ tcg_temp_free(t0);
+ tcg_temp_free(t1);
if (unlikely(Rc(ctx->opcode) != 0))
- gen_set_Rc0(ctx, cpu_T[0]);
+ gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* sraiq - sraiq. */
GEN_HANDLER(sraiq, 0x1F, 0x18, 0x1D, 0x00000000, PPC_POWER_BR)
{
- tcg_gen_mov_tl(cpu_T[0], cpu_gpr[rS(ctx->opcode)]);
- tcg_gen_movi_tl(cpu_T[1], SH(ctx->opcode));
- gen_op_POWER_sraq();
- tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], cpu_T[0]);
+ int sh = SH(ctx->opcode);
+ int l1 = gen_new_label();
+ TCGv t0 = tcg_temp_new();
+ TCGv t1 = tcg_temp_new();
+ tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
+ tcg_gen_shli_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh);
+ tcg_gen_or_tl(t0, t0, t1);
+ gen_store_spr(SPR_MQ, t0);
+ tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_CA));
+ tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
+ tcg_gen_brcondi_tl(TCG_COND_GE, cpu_gpr[rS(ctx->opcode)], 0, l1);
+ tcg_gen_ori_tl(cpu_xer, cpu_xer, (1 << XER_CA));
+ gen_set_label(l1);
+ tcg_gen_sari_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], sh);
+ tcg_temp_free(t0);
+ tcg_temp_free(t1);
if (unlikely(Rc(ctx->opcode) != 0))
- gen_set_Rc0(ctx, cpu_T[0]);
+ gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* sraq - sraq. */
GEN_HANDLER(sraq, 0x1F, 0x18, 0x1C, 0x00000000, PPC_POWER_BR)
{
- tcg_gen_mov_tl(cpu_T[0], cpu_gpr[rS(ctx->opcode)]);
- tcg_gen_mov_tl(cpu_T[1], cpu_gpr[rB(ctx->opcode)]);
- gen_op_POWER_sraq();
- tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], cpu_T[0]);
+ int l1 = gen_new_label();
+ int l2 = gen_new_label();
+ TCGv t0 = tcg_temp_new();
+ TCGv t1 = tcg_temp_local_new();
+ TCGv t2 = tcg_temp_local_new();
+ tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F);
+ tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t2);
+ tcg_gen_sar_tl(t1, cpu_gpr[rS(ctx->opcode)], t2);
+ tcg_gen_subfi_tl(t2, 32, t2);
+ tcg_gen_shl_tl(t2, cpu_gpr[rS(ctx->opcode)], t2);
+ tcg_gen_or_tl(t0, t0, t2);
+ gen_store_spr(SPR_MQ, t0);
+ tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20);
+ tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, l1);
+ tcg_gen_mov_tl(t2, cpu_gpr[rS(ctx->opcode)]);
+ tcg_gen_sari_tl(t1, cpu_gpr[rS(ctx->opcode)], 31);
+ gen_set_label(l1);
+ tcg_temp_free(t0);
+ tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t1);
+ tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_CA));
+ tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l2);
+ tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, l2);
+ tcg_gen_ori_tl(cpu_xer, cpu_xer, (1 << XER_CA));
+ gen_set_label(l2);
+ tcg_temp_free(t1);
+ tcg_temp_free(t2);
if (unlikely(Rc(ctx->opcode) != 0))
- gen_set_Rc0(ctx, cpu_T[0]);
+ gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* sre - sre. */
GEN_HANDLER(sre, 0x1F, 0x19, 0x14, 0x00000000, PPC_POWER_BR)
{
- tcg_gen_mov_tl(cpu_T[0], cpu_gpr[rS(ctx->opcode)]);
- tcg_gen_mov_tl(cpu_T[1], cpu_gpr[rB(ctx->opcode)]);
- gen_op_POWER_sre();
- tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], cpu_T[0]);
+ TCGv t0 = tcg_temp_new();
+ TCGv t1 = tcg_temp_new();
+ tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
+ tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
+ tcg_gen_subfi_tl(t1, 32, t1);
+ tcg_gen_shl_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
+ tcg_gen_or_tl(t1, t0, t1);
+ tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
+ gen_store_spr(SPR_MQ, t1);
+ tcg_temp_free(t0);
+ tcg_temp_free(t1);
if (unlikely(Rc(ctx->opcode) != 0))
- gen_set_Rc0(ctx, cpu_T[0]);
+ gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* srea - srea. */
GEN_HANDLER(srea, 0x1F, 0x19, 0x1C, 0x00000000, PPC_POWER_BR)
{
- tcg_gen_mov_tl(cpu_T[0], cpu_gpr[rS(ctx->opcode)]);
- tcg_gen_mov_tl(cpu_T[1], cpu_gpr[rB(ctx->opcode)]);
- gen_op_POWER_srea();
- tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], cpu_T[0]);
+ TCGv t0 = tcg_temp_new();
+ TCGv t1 = tcg_temp_new();
+ tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
+ tcg_gen_rotr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
+ gen_store_spr(SPR_MQ, t0);
+ tcg_gen_sar_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], t1);
+ tcg_temp_free(t0);
+ tcg_temp_free(t1);
if (unlikely(Rc(ctx->opcode) != 0))
- gen_set_Rc0(ctx, cpu_T[0]);
+ gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* sreq */
GEN_HANDLER(sreq, 0x1F, 0x19, 0x16, 0x00000000, PPC_POWER_BR)
{
- tcg_gen_mov_tl(cpu_T[0], cpu_gpr[rS(ctx->opcode)]);
- tcg_gen_mov_tl(cpu_T[1], cpu_gpr[rB(ctx->opcode)]);
- gen_op_POWER_sreq();
- tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], cpu_T[0]);
+ TCGv t0 = tcg_temp_new();
+ TCGv t1 = tcg_temp_new();
+ TCGv t2 = tcg_temp_new();
+ tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
+ tcg_gen_movi_tl(t1, 0xFFFFFFFF);
+ tcg_gen_shr_tl(t1, t1, t0);
+ tcg_gen_rotr_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
+ gen_load_spr(t2, SPR_MQ);
+ gen_store_spr(SPR_MQ, t0);
+ tcg_gen_and_tl(t0, t0, t1);
+ tcg_gen_andc_tl(t2, t2, t1);
+ tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t2);
+ tcg_temp_free(t0);
+ tcg_temp_free(t1);
+ tcg_temp_free(t2);
if (unlikely(Rc(ctx->opcode) != 0))
- gen_set_Rc0(ctx, cpu_T[0]);
+ gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* sriq */
GEN_HANDLER(sriq, 0x1F, 0x18, 0x15, 0x00000000, PPC_POWER_BR)
{
- tcg_gen_mov_tl(cpu_T[0], cpu_gpr[rS(ctx->opcode)]);
- tcg_gen_movi_tl(cpu_T[1], SH(ctx->opcode));
- gen_op_POWER_srq();
- tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], cpu_T[0]);
+ int sh = SH(ctx->opcode);
+ TCGv t0 = tcg_temp_new();
+ TCGv t1 = tcg_temp_new();
+ tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
+ tcg_gen_shli_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh);
+ tcg_gen_or_tl(t1, t0, t1);
+ tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
+ gen_store_spr(SPR_MQ, t1);
+ tcg_temp_free(t0);
+ tcg_temp_free(t1);
if (unlikely(Rc(ctx->opcode) != 0))
- gen_set_Rc0(ctx, cpu_T[0]);
+ gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* srliq */
GEN_HANDLER(srliq, 0x1F, 0x18, 0x17, 0x00000000, PPC_POWER_BR)
{
- tcg_gen_mov_tl(cpu_T[0], cpu_gpr[rS(ctx->opcode)]);
- tcg_gen_mov_tl(cpu_T[1], cpu_gpr[rB(ctx->opcode)]);
- tcg_gen_movi_tl(cpu_T[1], SH(ctx->opcode));
- gen_op_POWER_srlq();
- tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], cpu_T[0]);
+ int sh = SH(ctx->opcode);
+ TCGv t0 = tcg_temp_new();
+ TCGv t1 = tcg_temp_new();
+ tcg_gen_rotri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
+ gen_load_spr(t1, SPR_MQ);
+ gen_store_spr(SPR_MQ, t0);
+ tcg_gen_andi_tl(t0, t0, (0xFFFFFFFFU >> sh));
+ tcg_gen_andi_tl(t1, t1, ~(0xFFFFFFFFU >> sh));
+ tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
+ tcg_temp_free(t0);
+ tcg_temp_free(t1);
if (unlikely(Rc(ctx->opcode) != 0))
- gen_set_Rc0(ctx, cpu_T[0]);
+ gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* srlq */
GEN_HANDLER(srlq, 0x1F, 0x18, 0x16, 0x00000000, PPC_POWER_BR)
{
- tcg_gen_mov_tl(cpu_T[0], cpu_gpr[rS(ctx->opcode)]);
- tcg_gen_mov_tl(cpu_T[1], cpu_gpr[rB(ctx->opcode)]);
- gen_op_POWER_srlq();
- tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], cpu_T[0]);
+ int l1 = gen_new_label();
+ int l2 = gen_new_label();
+ TCGv t0 = tcg_temp_local_new();
+ TCGv t1 = tcg_temp_local_new();
+ TCGv t2 = tcg_temp_local_new();
+ tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F);
+ tcg_gen_movi_tl(t1, 0xFFFFFFFF);
+ tcg_gen_shr_tl(t2, t1, t2);
+ tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20);
+ tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
+ gen_load_spr(t0, SPR_MQ);
+ tcg_gen_and_tl(cpu_gpr[rA(ctx->opcode)], t0, t2);
+ tcg_gen_br(l2);
+ gen_set_label(l1);
+ tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t2);
+ tcg_gen_and_tl(t0, t0, t2);
+ gen_load_spr(t1, SPR_MQ);
+ tcg_gen_andc_tl(t1, t1, t2);
+ tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
+ gen_set_label(l2);
+ tcg_temp_free(t0);
+ tcg_temp_free(t1);
+ tcg_temp_free(t2);
if (unlikely(Rc(ctx->opcode) != 0))
- gen_set_Rc0(ctx, cpu_T[0]);
+ gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* srq */
GEN_HANDLER(srq, 0x1F, 0x18, 0x14, 0x00000000, PPC_POWER_BR)
{
- tcg_gen_mov_tl(cpu_T[0], cpu_gpr[rS(ctx->opcode)]);
- tcg_gen_mov_tl(cpu_T[1], cpu_gpr[rB(ctx->opcode)]);
- gen_op_POWER_srq();
- tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], cpu_T[0]);
+ int l1 = gen_new_label();
+ TCGv t0 = tcg_temp_new();
+ TCGv t1 = tcg_temp_new();
+ tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
+ tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
+ tcg_gen_subfi_tl(t1, 32, t1);
+ tcg_gen_shl_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
+ tcg_gen_or_tl(t1, t0, t1);
+ gen_store_spr(SPR_MQ, t1);
+ tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x20);
+ tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
+ tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
+ tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
+ gen_set_label(l1);
+ tcg_temp_free(t0);
+ tcg_temp_free(t1);
if (unlikely(Rc(ctx->opcode) != 0))
- gen_set_Rc0(ctx, cpu_T[0]);
+ gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* PowerPC 602 specific instructions */
generated by cgit v1.1 at 2025-03-07 22:04:18 +0000