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[Qemu-devel] [5250] target-alpha: instruction decoding simplification
|
From: |
Aurelien Jarno |
|
Subject: |
[Qemu-devel] [5250] target-alpha: instruction decoding simplification |
|
Date: |
Thu, 18 Sep 2008 10:11:26 +0000 |
Revision: 5250
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=5250
Author: aurel32
Date: 2008-09-18 10:11:26 +0000 (Thu, 18 Sep 2008)
Log Message:
-----------
target-alpha: instruction decoding simplification
Use a litteral value of 0 when rb31 is used. This reduces the tests
in the instruction decoding. Also remove almost unused corner cases.
Signed-off-by: Aurelien Jarno <address@hidden>
Modified Paths:
--------------
trunk/target-alpha/translate.c
Modified: trunk/target-alpha/translate.c
===================================================================
--- trunk/target-alpha/translate.c 2008-09-18 09:24:25 UTC (rev 5249)
+++ trunk/target-alpha/translate.c 2008-09-18 10:11:26 UTC (rev 5250)
@@ -378,10 +378,8 @@
tcg_gen_movi_i64(cpu_T[0], 0);
if (islit)
tcg_gen_movi_i64(cpu_T[1], lit);
- else if (rb != 31)
- tcg_gen_mov_i64(cpu_T[1], cpu_ir[rb]);
else
- tcg_gen_movi_i64(cpu_T[1], 0);
+ tcg_gen_mov_i64(cpu_T[1], cpu_ir[rb]);
(*gen_arith_op)();
if (rc != 31)
tcg_gen_mov_i64(cpu_ir[rc], cpu_T[0]);
@@ -416,10 +414,8 @@
if (islit)
tcg_gen_movi_i64(cpu_ir[rc], lit);
- else if (rb != 31)
- tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[rb]);
else
- tcg_gen_movi_i64(cpu_ir[rc], 0);
+ tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[rb]);
gen_set_label(l1);
}
@@ -483,9 +479,12 @@
return;
if (ra != 31) {
- if (islit)
- tcg_gen_shli_i64(cpu_ir[rc], cpu_ir[ra], 64 - ((lit & 7) * 8));
- else if (rb != 31) {
+ if (islit) {
+ if (lit != 0)
+ tcg_gen_shli_i64(cpu_ir[rc], cpu_ir[ra], 64 - ((lit & 7) * 8));
+ else
+ tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[ra]);
+ } else {
TCGv tmp1, tmp2;
tmp1 = tcg_temp_new(TCG_TYPE_I64);
tcg_gen_andi_i64(tmp1, cpu_ir[rb], 7);
@@ -493,14 +492,11 @@
tmp2 = tcg_const_i64(64);
tcg_gen_sub_i64(tmp1, tmp2, tmp1);
tcg_temp_free(tmp2);
- if (tcg_gen_ext_i64) {
- tcg_gen_shl_i64(tmp1, cpu_ir[ra], tmp1);
- tcg_gen_ext_i64(cpu_ir[rc], tmp1);
- } else
- tcg_gen_shl_i64(cpu_ir[rc], cpu_ir[ra], tmp1);
+ tcg_gen_shl_i64(cpu_ir[rc], cpu_ir[ra], tmp1);
tcg_temp_free(tmp1);
- } else
- tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[ra]);
+ }
+ if (tcg_gen_ext_i64)
+ tcg_gen_ext_i64(cpu_ir[rc], cpu_ir[rc]);
} else
tcg_gen_movi_i64(cpu_ir[rc], 0);
}
@@ -514,20 +510,17 @@
return;
if (ra != 31) {
- if (islit)
- tcg_gen_shri_i64(cpu_ir[rc], cpu_ir[ra], (lit & 7) * 8);
- else if (rb != 31) {
+ if (islit) {
+ tcg_gen_shri_i64(cpu_ir[rc], cpu_ir[ra], (lit & 7) * 8);
+ } else {
TCGv tmp = tcg_temp_new(TCG_TYPE_I64);
tcg_gen_andi_i64(tmp, cpu_ir[rb], 7);
tcg_gen_shli_i64(tmp, tmp, 3);
- if (tcg_gen_ext_i64) {
- tcg_gen_shr_i64(tmp, cpu_ir[ra], tmp);
- tcg_gen_ext_i64(cpu_ir[rc], tmp);
- } else
- tcg_gen_shr_i64(cpu_ir[rc], cpu_ir[ra], tmp);
+ tcg_gen_shr_i64(cpu_ir[rc], cpu_ir[ra], tmp);
tcg_temp_free(tmp);
- } else
- tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[ra]);
+ }
+ if (tcg_gen_ext_i64)
+ tcg_gen_ext_i64(cpu_ir[rc], cpu_ir[rc]);
} else
tcg_gen_movi_i64(cpu_ir[rc], 0);
}
@@ -547,12 +540,8 @@
return;
if (ra != 31) {
- if (islit || rb == 31) {
- TCGv tmp = tcg_temp_new(TCG_TYPE_I64);
- if (islit)
- tcg_gen_movi_i64(tmp, lit);
- else
- tcg_gen_movi_i64(tmp, 0);
+ if (islit) {
+ TCGv tmp = tcg_const_i64(lit);
tcg_gen_helper_1_2(helper, cpu_ir[rc], cpu_ir[ra], tmp);
tcg_temp_free(tmp);
} else
@@ -581,10 +570,8 @@
tmp = tcg_const_i64(0);
if (islit)
tcg_gen_brcondi_i64(cond, tmp, lit, l1);
- else if (rb != 31)
- tcg_gen_brcond_i64(cond, tmp, cpu_ir[rb], l1);
else
- tcg_gen_brcondi_i64(cond, tmp, 0, l1);
+ tcg_gen_brcond_i64(cond, tmp, cpu_ir[rb], l1);
tcg_gen_movi_i64(cpu_ir[rc], 0);
tcg_gen_br(l2);
@@ -609,7 +596,11 @@
rc = insn & 0x1F;
sbz = (insn >> 13) & 0x07;
islit = (insn >> 12) & 1;
- lit = (insn >> 13) & 0xFF;
+ if (rb == 31 && !islit) {
+ islit = 1;
+ lit = 0;
+ } else
+ lit = (insn >> 13) & 0xFF;
palcode = insn & 0x03FFFFFF;
disp21 = ((int32_t)((insn & 0x001FFFFF) << 11)) >> 11;
disp16 = (int16_t)(insn & 0x0000FFFF);
@@ -726,18 +717,15 @@
if (islit) {
tcg_gen_addi_i64(cpu_ir[rc], cpu_ir[ra], lit);
tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rc]);
- } else if (rb != 31) {
+ } else {
tcg_gen_add_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]);
tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rc]);
- } else
- tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[ra]);
+ }
} else {
if (islit)
- tcg_gen_movi_i64(cpu_ir[rc], (int32_t)lit);
- else if (rb != 31)
- tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rb]);
+ tcg_gen_movi_i64(cpu_ir[rc], lit);
else
- tcg_gen_movi_i64(cpu_ir[rc], 0);
+ tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rb]);
}
}
break;
@@ -745,26 +733,19 @@
/* S4ADDL */
if (likely(rc != 31)) {
if (ra != 31) {
- if (islit || rb != 31) {
- TCGv tmp = tcg_temp_new(TCG_TYPE_I64);
- tcg_gen_shli_i64(tmp, cpu_ir[ra], 2);
- if (islit)
- tcg_gen_addi_i64(tmp, tmp, lit);
- else
- tcg_gen_add_i64(tmp, tmp, cpu_ir[rb]);
- tcg_gen_ext32s_i64(cpu_ir[rc], tmp);
- tcg_temp_free(tmp);
- } else {
- tcg_gen_shli_i64(cpu_ir[rc], cpu_ir[ra], 2);
- tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rc]);
- }
+ TCGv tmp = tcg_temp_new(TCG_TYPE_I64);
+ tcg_gen_shli_i64(tmp, cpu_ir[ra], 2);
+ if (islit)
+ tcg_gen_addi_i64(tmp, tmp, lit);
+ else
+ tcg_gen_add_i64(tmp, tmp, cpu_ir[rb]);
+ tcg_gen_ext32s_i64(cpu_ir[rc], tmp);
+ tcg_temp_free(tmp);
} else {
if (islit)
tcg_gen_movi_i64(cpu_ir[rc], lit);
- else if (rb != 31)
- tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rb]);
else
- tcg_gen_movi_i64(cpu_ir[rc], 0);
+ tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rb]);
}
}
break;
@@ -772,22 +753,17 @@
/* SUBL */
if (likely(rc != 31)) {
if (ra != 31) {
- if (islit) {
+ if (islit)
tcg_gen_subi_i64(cpu_ir[rc], cpu_ir[ra], lit);
- tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rc]);
- } else if (rb != 31) {
+ else
tcg_gen_sub_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]);
- tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rc]);
- } else
- tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[ra]);
+ tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rc]);
} else {
if (islit)
tcg_gen_movi_i64(cpu_ir[rc], -lit);
- else if (rb != 31) {
+ else {
tcg_gen_neg_i64(cpu_ir[rc], cpu_ir[rb]);
tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rc]);
- } else
- tcg_gen_movi_i64(cpu_ir[rc], 0);
}
}
break;
@@ -795,27 +771,21 @@
/* S4SUBL */
if (likely(rc != 31)) {
if (ra != 31) {
- if (islit || rb != 31) {
- TCGv tmp = tcg_temp_new(TCG_TYPE_I64);
- tcg_gen_shli_i64(tmp, cpu_ir[ra], 2);
- if (islit)
- tcg_gen_subi_i64(tmp, tmp, lit);
- else
- tcg_gen_sub_i64(tmp, tmp, cpu_ir[rb]);
- tcg_gen_ext32s_i64(cpu_ir[rc], tmp);
- tcg_temp_free(tmp);
- } else {
- tcg_gen_shli_i64(cpu_ir[rc], cpu_ir[ra], 2);
- tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rc]);
- }
+ TCGv tmp = tcg_temp_new(TCG_TYPE_I64);
+ tcg_gen_shli_i64(tmp, cpu_ir[ra], 2);
+ if (islit)
+ tcg_gen_subi_i64(tmp, tmp, lit);
+ else
+ tcg_gen_sub_i64(tmp, tmp, cpu_ir[rb]);
+ tcg_gen_ext32s_i64(cpu_ir[rc], tmp);
+ tcg_temp_free(tmp);
} else {
if (islit)
tcg_gen_movi_i64(cpu_ir[rc], -lit);
- else if (rb != 31) {
+ else {
tcg_gen_neg_i64(cpu_ir[rc], cpu_ir[rb]);
tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rc]);
- } else
- tcg_gen_movi_i64(cpu_ir[rc], 0);
+ }
}
}
break;
@@ -827,26 +797,19 @@
/* S8ADDL */
if (likely(rc != 31)) {
if (ra != 31) {
- if (islit || rb != 31) {
- TCGv tmp = tcg_temp_new(TCG_TYPE_I64);
- tcg_gen_shli_i64(tmp, cpu_ir[ra], 3);
- if (islit)
- tcg_gen_addi_i64(tmp, tmp, lit);
- else
- tcg_gen_add_i64(tmp, tmp, cpu_ir[rb]);
- tcg_gen_ext32s_i64(cpu_ir[rc], tmp);
- tcg_temp_free(tmp);
- } else {
- tcg_gen_shli_i64(cpu_ir[rc], cpu_ir[ra], 3);
- tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rc]);
- }
+ TCGv tmp = tcg_temp_new(TCG_TYPE_I64);
+ tcg_gen_shli_i64(tmp, cpu_ir[ra], 3);
+ if (islit)
+ tcg_gen_addi_i64(tmp, tmp, lit);
+ else
+ tcg_gen_add_i64(tmp, tmp, cpu_ir[rb]);
+ tcg_gen_ext32s_i64(cpu_ir[rc], tmp);
+ tcg_temp_free(tmp);
} else {
if (islit)
tcg_gen_movi_i64(cpu_ir[rc], lit);
- else if (rb != 31)
- tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rb]);
else
- tcg_gen_movi_i64(cpu_ir[rc], 0);
+ tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rb]);
}
}
break;
@@ -854,27 +817,21 @@
/* S8SUBL */
if (likely(rc != 31)) {
if (ra != 31) {
- if (islit || rb != 31) {
- TCGv tmp = tcg_temp_new(TCG_TYPE_I64);
- tcg_gen_shli_i64(tmp, cpu_ir[ra], 3);
- if (islit)
- tcg_gen_subi_i64(tmp, tmp, lit);
- else
- tcg_gen_sub_i64(tmp, tmp, cpu_ir[rb]);
- tcg_gen_ext32s_i64(cpu_ir[rc], tmp);
- tcg_temp_free(tmp);
- } else {
- tcg_gen_shli_i64(cpu_ir[rc], cpu_ir[ra], 3);
- tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rc]);
- }
+ TCGv tmp = tcg_temp_new(TCG_TYPE_I64);
+ tcg_gen_shli_i64(tmp, cpu_ir[ra], 3);
+ if (islit)
+ tcg_gen_subi_i64(tmp, tmp, lit);
+ else
+ tcg_gen_sub_i64(tmp, tmp, cpu_ir[rb]);
+ tcg_gen_ext32s_i64(cpu_ir[rc], tmp);
+ tcg_temp_free(tmp);
} else {
if (islit)
tcg_gen_movi_i64(cpu_ir[rc], -lit);
- else if (rb != 31) {
+ else
tcg_gen_neg_i64(cpu_ir[rc], cpu_ir[rb]);
tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rc]);
- } else
- tcg_gen_movi_i64(cpu_ir[rc], 0);
+ }
}
}
break;
@@ -888,17 +845,13 @@
if (ra != 31) {
if (islit)
tcg_gen_addi_i64(cpu_ir[rc], cpu_ir[ra], lit);
- else if (rb != 31)
- tcg_gen_add_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]);
else
- tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[ra]);
+ tcg_gen_add_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]);
} else {
if (islit)
tcg_gen_movi_i64(cpu_ir[rc], lit);
- else if (rb != 31)
- tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[rb]);
else
- tcg_gen_movi_i64(cpu_ir[rc], 0);
+ tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[rb]);
}
}
break;
@@ -906,23 +859,18 @@
/* S4ADDQ */
if (likely(rc != 31)) {
if (ra != 31) {
- if (islit || rb != 31) {
- TCGv tmp = tcg_temp_new(TCG_TYPE_I64);
- tcg_gen_shli_i64(tmp, cpu_ir[ra], 2);
- if (islit)
- tcg_gen_addi_i64(cpu_ir[rc], tmp, lit);
- else
- tcg_gen_add_i64(cpu_ir[rc], tmp, cpu_ir[rb]);
- tcg_temp_free(tmp);
- } else
- tcg_gen_shli_i64(cpu_ir[rc], cpu_ir[ra], 2);
+ TCGv tmp = tcg_temp_new(TCG_TYPE_I64);
+ tcg_gen_shli_i64(tmp, cpu_ir[ra], 2);
+ if (islit)
+ tcg_gen_addi_i64(cpu_ir[rc], tmp, lit);
+ else
+ tcg_gen_add_i64(cpu_ir[rc], tmp, cpu_ir[rb]);
+ tcg_temp_free(tmp);
} else {
if (islit)
tcg_gen_movi_i64(cpu_ir[rc], lit);
- else if (rb != 31)
- tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[rb]);
else
- tcg_gen_movi_i64(cpu_ir[rc], 0);
+ tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[rb]);
}
}
break;
@@ -932,17 +880,13 @@
if (ra != 31) {
if (islit)
tcg_gen_subi_i64(cpu_ir[rc], cpu_ir[ra], lit);
- else if (rb != 31)
- tcg_gen_sub_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]);
else
- tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[ra]);
+ tcg_gen_sub_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]);
} else {
if (islit)
tcg_gen_movi_i64(cpu_ir[rc], -lit);
- else if (rb != 31)
- tcg_gen_neg_i64(cpu_ir[rc], cpu_ir[rb]);
else
- tcg_gen_movi_i64(cpu_ir[rc], 0);
+ tcg_gen_neg_i64(cpu_ir[rc], cpu_ir[rb]);
}
}
break;
@@ -950,23 +894,18 @@
/* S4SUBQ */
if (likely(rc != 31)) {
if (ra != 31) {
- if (islit || rb != 31) {
- TCGv tmp = tcg_temp_new(TCG_TYPE_I64);
- tcg_gen_shli_i64(tmp, cpu_ir[ra], 2);
- if (islit)
- tcg_gen_subi_i64(cpu_ir[rc], tmp, lit);
- else
- tcg_gen_sub_i64(cpu_ir[rc], tmp, cpu_ir[rb]);
- tcg_temp_free(tmp);
- } else
- tcg_gen_shli_i64(cpu_ir[rc], cpu_ir[ra], 2);
+ TCGv tmp = tcg_temp_new(TCG_TYPE_I64);
+ tcg_gen_shli_i64(tmp, cpu_ir[ra], 2);
+ if (islit)
+ tcg_gen_subi_i64(cpu_ir[rc], tmp, lit);
+ else
+ tcg_gen_sub_i64(cpu_ir[rc], tmp, cpu_ir[rb]);
+ tcg_temp_free(tmp);
} else {
if (islit)
tcg_gen_movi_i64(cpu_ir[rc], -lit);
- else if (rb != 31)
- tcg_gen_neg_i64(cpu_ir[rc], cpu_ir[rb]);
else
- tcg_gen_movi_i64(cpu_ir[rc], 0);
+ tcg_gen_neg_i64(cpu_ir[rc], cpu_ir[rb]);
}
}
break;
@@ -978,23 +917,18 @@
/* S8ADDQ */
if (likely(rc != 31)) {
if (ra != 31) {
- if (islit || rb != 31) {
- TCGv tmp = tcg_temp_new(TCG_TYPE_I64);
- tcg_gen_shli_i64(tmp, cpu_ir[ra], 3);
- if (islit)
- tcg_gen_addi_i64(cpu_ir[rc], tmp, lit);
- else
- tcg_gen_add_i64(cpu_ir[rc], tmp, cpu_ir[rb]);
- tcg_temp_free(tmp);
- } else
- tcg_gen_shli_i64(cpu_ir[rc], cpu_ir[ra], 3);
+ TCGv tmp = tcg_temp_new(TCG_TYPE_I64);
+ tcg_gen_shli_i64(tmp, cpu_ir[ra], 3);
+ if (islit)
+ tcg_gen_addi_i64(cpu_ir[rc], tmp, lit);
+ else
+ tcg_gen_add_i64(cpu_ir[rc], tmp, cpu_ir[rb]);
+ tcg_temp_free(tmp);
} else {
if (islit)
tcg_gen_movi_i64(cpu_ir[rc], lit);
- else if (rb != 31)
- tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[rb]);
else
- tcg_gen_movi_i64(cpu_ir[rc], 0);
+ tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[rb]);
}
}
break;
@@ -1002,23 +936,18 @@
/* S8SUBQ */
if (likely(rc != 31)) {
if (ra != 31) {
- if (islit || rb != 31) {
- TCGv tmp = tcg_temp_new(TCG_TYPE_I64);
- tcg_gen_shli_i64(tmp, cpu_ir[ra], 3);
- if (islit)
- tcg_gen_subi_i64(cpu_ir[rc], tmp, lit);
- else
- tcg_gen_sub_i64(cpu_ir[rc], tmp, cpu_ir[rb]);
- tcg_temp_free(tmp);
- } else
- tcg_gen_shli_i64(cpu_ir[rc], cpu_ir[ra], 3);
+ TCGv tmp = tcg_temp_new(TCG_TYPE_I64);
+ tcg_gen_shli_i64(tmp, cpu_ir[ra], 3);
+ if (islit)
+ tcg_gen_subi_i64(cpu_ir[rc], tmp, lit);
+ else
+ tcg_gen_sub_i64(cpu_ir[rc], tmp, cpu_ir[rb]);
+ tcg_temp_free(tmp);
} else {
if (islit)
tcg_gen_movi_i64(cpu_ir[rc], -lit);
- else if (rb != 31)
- tcg_gen_neg_i64(cpu_ir[rc], cpu_ir[rb]);
else
- tcg_gen_movi_i64(cpu_ir[rc], 0);
+ tcg_gen_neg_i64(cpu_ir[rc], cpu_ir[rb]);
}
}
break;
@@ -1059,7 +988,7 @@
case 0x00:
/* AND */
if (likely(rc != 31)) {
- if (ra == 31 || (rb == 31 && !islit))
+ if (ra == 31)
tcg_gen_movi_i64(cpu_ir[rc], 0);
else if (islit)
tcg_gen_andi_i64(cpu_ir[rc], cpu_ir[ra], lit);
@@ -1073,13 +1002,12 @@
if (ra != 31) {
if (islit)
tcg_gen_andi_i64(cpu_ir[rc], cpu_ir[ra], ~lit);
- else if (rb != 31) {
+ else {
TCGv tmp = tcg_temp_new(TCG_TYPE_I64);
tcg_gen_not_i64(tmp, cpu_ir[rb]);
tcg_gen_and_i64(cpu_ir[rc], cpu_ir[ra], tmp);
tcg_temp_free(tmp);
- } else
- tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[ra]);
+ }
} else
tcg_gen_movi_i64(cpu_ir[rc], 0);
}
@@ -1098,17 +1026,13 @@
if (ra != 31) {
if (islit)
tcg_gen_ori_i64(cpu_ir[rc], cpu_ir[ra], lit);
- else if (rb != 31)
+ else
tcg_gen_or_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]);
- else
- tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[ra]);
} else {
if (islit)
tcg_gen_movi_i64(cpu_ir[rc], lit);
- else if (rb != 31)
- tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[rb]);
else
- tcg_gen_movi_i64(cpu_ir[rc], 0);
+ tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[rb]);
}
}
break;
@@ -1123,9 +1047,7 @@
case 0x28:
/* ORNOT */
if (likely(rc != 31)) {
- if (rb == 31 && !islit)
- tcg_gen_movi_i64(cpu_ir[rc], ~0);
- else if (ra != 31) {
+ if (ra != 31) {
if (islit)
tcg_gen_ori_i64(cpu_ir[rc], cpu_ir[ra], ~lit);
else {
@@ -1148,17 +1070,13 @@
if (ra != 31) {
if (islit)
tcg_gen_xori_i64(cpu_ir[rc], cpu_ir[ra], lit);
- else if (rb != 31)
- tcg_gen_xor_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]);
else
- tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[ra]);
+ tcg_gen_xor_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]);
} else {
if (islit)
tcg_gen_movi_i64(cpu_ir[rc], lit);
- else if (rb != 31)
- tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[rb]);
else
- tcg_gen_movi_i64(cpu_ir[rc], 0);
+ tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[rb]);
}
}
break;
@@ -1176,20 +1094,17 @@
if (ra != 31) {
if (islit)
tcg_gen_xori_i64(cpu_ir[rc], cpu_ir[ra], ~lit);
- else if (rb != 31) {
+ else {
TCGv tmp = tcg_temp_new(TCG_TYPE_I64);
tcg_gen_not_i64(tmp, cpu_ir[rb]);
tcg_gen_xor_i64(cpu_ir[rc], cpu_ir[ra], tmp);
tcg_temp_free(tmp);
- } else
- tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[ra]);
+ }
} else {
if (islit)
tcg_gen_movi_i64(cpu_ir[rc], ~lit);
- else if (rb != 31)
- tcg_gen_not_i64(cpu_ir[rc], cpu_ir[rb]);
else
- tcg_gen_movi_i64(cpu_ir[rc], ~0);
+ tcg_gen_not_i64(cpu_ir[rc], cpu_ir[rb]);
}
}
break;
@@ -1198,10 +1113,8 @@
if (likely(rc != 31)) {
if (islit)
tcg_gen_movi_i64(cpu_ir[rc], helper_amask(lit));
- else if (rb != 31)
- tcg_gen_helper_1_1(helper_amask, cpu_ir[rc], cpu_ir[rb]);
else
- tcg_gen_movi_i64(cpu_ir[rc], 0);
+ tcg_gen_helper_1_1(helper_amask, cpu_ir[rc], cpu_ir[rb]);
}
break;
case 0x64:
@@ -1277,13 +1190,12 @@
if (ra != 31) {
if (islit)
tcg_gen_shri_i64(cpu_ir[rc], cpu_ir[ra], lit & 0x3f);
- else if (rb != 31) {
+ else {
TCGv shift = tcg_temp_new(TCG_TYPE_I64);
tcg_gen_andi_i64(shift, cpu_ir[rb], 0x3f);
tcg_gen_shr_i64(cpu_ir[rc], cpu_ir[ra], shift);
tcg_temp_free(shift);
- } else
- tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[ra]);
+ }
} else
tcg_gen_movi_i64(cpu_ir[rc], 0);
}
@@ -1298,13 +1210,12 @@
if (ra != 31) {
if (islit)
tcg_gen_shli_i64(cpu_ir[rc], cpu_ir[ra], lit & 0x3f);
- else if (rb != 31) {
+ else {
TCGv shift = tcg_temp_new(TCG_TYPE_I64);
tcg_gen_andi_i64(shift, cpu_ir[rb], 0x3f);
tcg_gen_shl_i64(cpu_ir[rc], cpu_ir[ra], shift);
tcg_temp_free(shift);
- } else
- tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[ra]);
+ }
} else
tcg_gen_movi_i64(cpu_ir[rc], 0);
}
@@ -1319,13 +1230,12 @@
if (ra != 31) {
if (islit)
tcg_gen_sari_i64(cpu_ir[rc], cpu_ir[ra], lit & 0x3f);
- else if (rb != 31) {
+ else {
TCGv shift = tcg_temp_new(TCG_TYPE_I64);
tcg_gen_andi_i64(shift, cpu_ir[rb], 0x3f);
tcg_gen_sar_i64(cpu_ir[rc], cpu_ir[ra], shift);
tcg_temp_free(shift);
- } else
- tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[ra]);
+ }
} else
tcg_gen_movi_i64(cpu_ir[rc], 0);
}
@@ -1375,7 +1285,7 @@
case 0x00:
/* MULL */
if (likely(rc != 31)) {
- if (ra == 31 || (rb == 31 && !islit))
+ if (ra == 31)
tcg_gen_movi_i64(cpu_ir[rc], 0);
else {
if (islit)
@@ -1389,7 +1299,7 @@
case 0x20:
/* MULQ */
if (likely(rc != 31)) {
- if (ra == 31 || (rb == 31 && !islit))
+ if (ra == 31)
tcg_gen_movi_i64(cpu_ir[rc], 0);
else if (islit)
tcg_gen_muli_i64(cpu_ir[rc], cpu_ir[ra], lit);
@@ -1908,10 +1818,8 @@
if (likely(rc != 31)) {
if (islit)
tcg_gen_movi_i64(cpu_ir[rc], (int64_t)((int8_t)lit));
- else if (rb != 31)
- tcg_gen_ext8s_i64(cpu_ir[rc], cpu_ir[rb]);
else
- tcg_gen_movi_i64(cpu_ir[rc], 0);
+ tcg_gen_ext8s_i64(cpu_ir[rc], cpu_ir[rb]);
}
break;
case 0x01:
@@ -1921,10 +1829,8 @@
if (likely(rc != 31)) {
if (islit)
tcg_gen_movi_i64(cpu_ir[rc], (int64_t)((int16_t)lit));
- else if (rb != 31)
- tcg_gen_ext16s_i64(cpu_ir[rc], cpu_ir[rb]);
else
- tcg_gen_movi_i64(cpu_ir[rc], 0);
+ tcg_gen_ext16s_i64(cpu_ir[rc], cpu_ir[rb]);
}
break;
case 0x30:
@@ -1934,10 +1840,8 @@
if (likely(rc != 31)) {
if (islit)
tcg_gen_movi_i64(cpu_ir[rc], ctpop64(lit));
- else if (rb != 31)
- tcg_gen_helper_1_1(helper_ctpop, cpu_ir[rc], cpu_ir[rb]);
else
- tcg_gen_movi_i64(cpu_ir[rc], 0);
+ tcg_gen_helper_1_1(helper_ctpop, cpu_ir[rc], cpu_ir[rb]);
}
break;
case 0x31:
@@ -1954,10 +1858,8 @@
if (likely(rc != 31)) {
if (islit)
tcg_gen_movi_i64(cpu_ir[rc], clz64(lit));
- else if (rb != 31)
- tcg_gen_helper_1_1(helper_ctlz, cpu_ir[rc], cpu_ir[rb]);
else
- tcg_gen_movi_i64(cpu_ir[rc], 0);
+ tcg_gen_helper_1_1(helper_ctlz, cpu_ir[rc], cpu_ir[rb]);
}
break;
case 0x33:
@@ -1967,10 +1869,8 @@
if (likely(rc != 31)) {
if (islit)
tcg_gen_movi_i64(cpu_ir[rc], ctz64(lit));
- else if (rb != 31)
- tcg_gen_helper_1_1(helper_cttz, cpu_ir[rc], cpu_ir[rb]);
else
- tcg_gen_movi_i64(cpu_ir[rc], 0);
+ tcg_gen_helper_1_1(helper_cttz, cpu_ir[rc], cpu_ir[rb]);
}
break;
case 0x34:
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