diff options
| author | aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-11-02 08:22:45 +0000 |
|---|---|---|
| committer | aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-11-02 08:22:45 +0000 |
| commit | 0cfe58cd4470cfbbd3650ec9451cdd0b0e3058c0 (patch) | |
| tree | 81c50fe60810191364bd644931fb3d4fbac331d2 /target-ppc | |
| parent | fea0c503a0f055d82daa9e86637274aa49e98412 (diff) | |
target-ppc: simplify slw, srw, sld, srd
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5597 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-ppc')
| -rw-r--r-- | target-ppc/translate.c | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/target-ppc/translate.c b/target-ppc/translate.c index aac0a34ad..3be4d70b1 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -1959,12 +1959,11 @@ GEN_HANDLER(slw, 0x1F, 0x18, 0x00, 0x00000000, PPC_INTEGER) l2 = gen_new_label(); t0 = tcg_temp_local_new(TCG_TYPE_TL); - tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20); - tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1); + tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3f); + tcg_gen_brcondi_tl(TCG_COND_LT, t0, 0x20, l1); tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0); tcg_gen_br(l2); gen_set_label(l1); - tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3f); tcg_gen_shl_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], t0); tcg_gen_ext32u_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); gen_set_label(l2); @@ -2018,12 +2017,11 @@ GEN_HANDLER(srw, 0x1F, 0x18, 0x10, 0x00000000, PPC_INTEGER) l2 = gen_new_label(); t0 = tcg_temp_local_new(TCG_TYPE_TL); - tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20); - tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1); + tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3f); + tcg_gen_brcondi_tl(TCG_COND_LT, t0, 0x20, l1); tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0); tcg_gen_br(l2); gen_set_label(l1); - tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3f); t1 = tcg_temp_new(TCG_TYPE_TL); tcg_gen_ext32u_tl(t1, cpu_gpr[rS(ctx->opcode)]); tcg_gen_shr_tl(cpu_gpr[rA(ctx->opcode)], t1, t0); @@ -2043,12 +2041,11 @@ GEN_HANDLER(sld, 0x1F, 0x1B, 0x00, 0x00000000, PPC_64B) l2 = gen_new_label(); t0 = tcg_temp_local_new(TCG_TYPE_TL); - tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x40); - tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1); + tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x7f); + tcg_gen_brcondi_tl(TCG_COND_LT, t0, 0x40, l1); tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0); tcg_gen_br(l2); gen_set_label(l1); - tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x7f); tcg_gen_shl_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], t0); gen_set_label(l2); tcg_temp_free(t0); @@ -2106,12 +2103,11 @@ GEN_HANDLER(srd, 0x1F, 0x1B, 0x10, 0x00000000, PPC_64B) l2 = gen_new_label(); t0 = tcg_temp_local_new(TCG_TYPE_TL); - tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x40); - tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1); + tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x7f); + tcg_gen_brcondi_tl(TCG_COND_LT, t0, 0x40, l1); tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0); tcg_gen_br(l2); gen_set_label(l1); - tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x7f); tcg_gen_shr_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], t0); gen_set_label(l2); tcg_temp_free(t0); |