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authorRichard Henderson <rth@twiddle.net>2014-03-19 11:26:57 -0700
committerRichard Henderson <rth@twiddle.net>2014-04-17 11:47:42 -0700
commit9a734d64f906e44dfe8be7ba5bb9f4c7eee8d0e8 (patch)
treeacd71721b9805a5987a1d84ea1880361efe6ce03 /target-alpha
parent9a8fa1bdad25adec5684fbf8043b69744b842f83 (diff)
downloadqemu-arm-9a734d64f906e44dfe8be7ba5bb9f4c7eee8d0e8.tar.gz
target-alpha: Convert gen_ext_h/l to source/sink
Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'target-alpha')
-rw-r--r--target-alpha/translate.c66
1 files changed, 26 insertions, 40 deletions
diff --git a/target-alpha/translate.c b/target-alpha/translate.c
index 5c6db61c4a..c606183c69 100644
--- a/target-alpha/translate.c
+++ b/target-alpha/translate.c
@@ -1202,50 +1202,36 @@ static inline void gen_zap(int ra, int rb, int rc, int islit, uint8_t lit)
/* EXTWH, EXTLH, EXTQH */
-static void gen_ext_h(int ra, int rb, int rc, int islit,
+static void gen_ext_h(DisasContext *ctx, TCGv vc, TCGv va, int rb, bool islit,
uint8_t lit, uint8_t byte_mask)
{
- if (unlikely(rc == 31)) {
- return;
- } else if (unlikely(ra == 31)) {
- tcg_gen_movi_i64(cpu_ir[rc], 0);
+ if (islit) {
+ tcg_gen_shli_i64(vc, va, (64 - lit * 8) & 0x3f);
} else {
- if (islit) {
- lit = (64 - (lit & 7) * 8) & 0x3f;
- tcg_gen_shli_i64(cpu_ir[rc], cpu_ir[ra], lit);
- } else {
- TCGv tmp1 = tcg_temp_new();
- tcg_gen_andi_i64(tmp1, cpu_ir[rb], 7);
- tcg_gen_shli_i64(tmp1, tmp1, 3);
- tcg_gen_neg_i64(tmp1, tmp1);
- tcg_gen_andi_i64(tmp1, tmp1, 0x3f);
- tcg_gen_shl_i64(cpu_ir[rc], cpu_ir[ra], tmp1);
- tcg_temp_free(tmp1);
- }
- gen_zapnoti(cpu_ir[rc], cpu_ir[rc], byte_mask);
+ TCGv tmp = tcg_temp_new();
+ tcg_gen_shli_i64(tmp, load_gpr(ctx, rb), 3);
+ tcg_gen_neg_i64(tmp, tmp);
+ tcg_gen_andi_i64(tmp, tmp, 0x3f);
+ tcg_gen_shl_i64(vc, va, tmp);
+ tcg_temp_free(tmp);
}
+ gen_zapnoti(vc, vc, byte_mask);
}
/* EXTBL, EXTWL, EXTLL, EXTQL */
-static void gen_ext_l(int ra, int rb, int rc, int islit,
+static void gen_ext_l(DisasContext *ctx, TCGv vc, TCGv va, int rb, bool islit,
uint8_t lit, uint8_t byte_mask)
{
- if (unlikely(rc == 31)) {
- return;
- } else if (unlikely(ra == 31)) {
- tcg_gen_movi_i64(cpu_ir[rc], 0);
+ if (islit) {
+ tcg_gen_shri_i64(vc, va, (lit & 7) * 8);
} else {
- if (islit) {
- tcg_gen_shri_i64(cpu_ir[rc], cpu_ir[ra], (lit & 7) * 8);
- } else {
- TCGv tmp = tcg_temp_new();
- tcg_gen_andi_i64(tmp, cpu_ir[rb], 7);
- tcg_gen_shli_i64(tmp, tmp, 3);
- tcg_gen_shr_i64(cpu_ir[rc], cpu_ir[ra], tmp);
- tcg_temp_free(tmp);
- }
- gen_zapnoti(cpu_ir[rc], cpu_ir[rc], byte_mask);
+ TCGv tmp = tcg_temp_new();
+ tcg_gen_andi_i64(tmp, load_gpr(ctx, rb), 7);
+ tcg_gen_shli_i64(tmp, tmp, 3);
+ tcg_gen_shr_i64(vc, va, tmp);
+ tcg_temp_free(tmp);
}
+ gen_zapnoti(vc, vc, byte_mask);
}
/* INSWH, INSLH, INSQH */
@@ -2104,7 +2090,7 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn)
break;
case 0x06:
/* EXTBL */
- gen_ext_l(ra, rb, rc, islit, lit, 0x01);
+ gen_ext_l(ctx, vc, va, rb, islit, lit, 0x01);
break;
case 0x0B:
/* INSBL */
@@ -2116,7 +2102,7 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn)
break;
case 0x16:
/* EXTWL */
- gen_ext_l(ra, rb, rc, islit, lit, 0x03);
+ gen_ext_l(ctx, vc, va, rb, islit, lit, 0x03);
break;
case 0x1B:
/* INSWL */
@@ -2128,7 +2114,7 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn)
break;
case 0x26:
/* EXTLL */
- gen_ext_l(ra, rb, rc, islit, lit, 0x0f);
+ gen_ext_l(ctx, vc, va, rb, islit, lit, 0x0f);
break;
case 0x2B:
/* INSLL */
@@ -2160,7 +2146,7 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn)
break;
case 0x36:
/* EXTQL */
- gen_ext_l(ra, rb, rc, islit, lit, 0xff);
+ gen_ext_l(ctx, vc, va, rb, islit, lit, 0xff);
break;
case 0x39:
/* SLL */
@@ -2200,7 +2186,7 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn)
break;
case 0x5A:
/* EXTWH */
- gen_ext_h(ra, rb, rc, islit, lit, 0x03);
+ gen_ext_h(ctx, vc, va, rb, islit, lit, 0x03);
break;
case 0x62:
/* MSKLH */
@@ -2212,7 +2198,7 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn)
break;
case 0x6A:
/* EXTLH */
- gen_ext_h(ra, rb, rc, islit, lit, 0x0f);
+ gen_ext_h(ctx, vc, va, rb, islit, lit, 0x0f);
break;
case 0x72:
/* MSKQH */
@@ -2224,7 +2210,7 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn)
break;
case 0x7A:
/* EXTQH */
- gen_ext_h(ra, rb, rc, islit, lit, 0xff);
+ gen_ext_h(ctx, vc, va, rb, islit, lit, 0xff);
break;
default:
goto invalid_opc;