gwj / at91sam9263 · Commits

Commit 0cfe58cd4470cfbbd3650ec9451cdd0b0e3058c0

Authored by aurel32
1 parent fea0c503

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
Inline Side-by-side
Showing 1 changed file with 8 additions and 12 deletions
target-ppc/translate.c
  View file @0cfe58c
... ... @@ -1959,12 +1959,11 @@ GEN_HANDLER(slw, 0x1F, 0x18, 0x00, 0x00000000, PPC_INTEGER)
1959 1959 l2 = gen_new_label();
1960 1960  
1961 1961 t0 = tcg_temp_local_new(TCG_TYPE_TL);
1962   - tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20);
1963   - tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
  1962 + tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3f);
  1963 + tcg_gen_brcondi_tl(TCG_COND_LT, t0, 0x20, l1);
1964 1964 tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
1965 1965 tcg_gen_br(l2);
1966 1966 gen_set_label(l1);
1967   - tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3f);
1968 1967 tcg_gen_shl_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], t0);
1969 1968 tcg_gen_ext32u_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
1970 1969 gen_set_label(l2);
... ... @@ -2018,12 +2017,11 @@ GEN_HANDLER(srw, 0x1F, 0x18, 0x10, 0x00000000, PPC_INTEGER)
2018 2017 l2 = gen_new_label();
2019 2018  
2020 2019 t0 = tcg_temp_local_new(TCG_TYPE_TL);
2021   - tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20);
2022   - tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
  2020 + tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3f);
  2021 + tcg_gen_brcondi_tl(TCG_COND_LT, t0, 0x20, l1);
2023 2022 tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
2024 2023 tcg_gen_br(l2);
2025 2024 gen_set_label(l1);
2026   - tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3f);
2027 2025 t1 = tcg_temp_new(TCG_TYPE_TL);
2028 2026 tcg_gen_ext32u_tl(t1, cpu_gpr[rS(ctx->opcode)]);
2029 2027 tcg_gen_shr_tl(cpu_gpr[rA(ctx->opcode)], t1, t0);
... ... @@ -2043,12 +2041,11 @@ GEN_HANDLER(sld, 0x1F, 0x1B, 0x00, 0x00000000, PPC_64B)
2043 2041 l2 = gen_new_label();
2044 2042  
2045 2043 t0 = tcg_temp_local_new(TCG_TYPE_TL);
2046   - tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x40);
2047   - tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
  2044 + tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x7f);
  2045 + tcg_gen_brcondi_tl(TCG_COND_LT, t0, 0x40, l1);
2048 2046 tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
2049 2047 tcg_gen_br(l2);
2050 2048 gen_set_label(l1);
2051   - tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x7f);
2052 2049 tcg_gen_shl_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], t0);
2053 2050 gen_set_label(l2);
2054 2051 tcg_temp_free(t0);
... ... @@ -2106,12 +2103,11 @@ GEN_HANDLER(srd, 0x1F, 0x1B, 0x10, 0x00000000, PPC_64B)
2106 2103 l2 = gen_new_label();
2107 2104  
2108 2105 t0 = tcg_temp_local_new(TCG_TYPE_TL);
2109   - tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x40);
2110   - tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
  2106 + tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x7f);
  2107 + tcg_gen_brcondi_tl(TCG_COND_LT, t0, 0x40, l1);
2111 2108 tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
2112 2109 tcg_gen_br(l2);
2113 2110 gen_set_label(l1);
2114   - tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x7f);
2115 2111 tcg_gen_shr_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], t0);
2116 2112 gen_set_label(l2);
2117 2113 tcg_temp_free(t0);
... ...