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target-alpha: Convert gen_cmov to source/sink 

Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2014-03-19 10:53:24 -07:00
parent 42774a56ec
commit 83ebb7cd01
1 changed files with 22 additions and 44 deletions
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66
target-alpha/translate.c
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@ -559,42 +559,6 @@ static ExitStatus gen_fbcond(DisasContext *ctx, TCGCond cond, int ra,
return gen_bcond_internal(ctx, cond, cmp_tmp, disp);
}
static void gen_cmov(TCGCond cond, int ra, int rb, int rc,
int islit, uint8_t lit, int mask)
{
TCGv_i64 c1, z, v1;
if (unlikely(rc == 31)) {
return;
}
if (ra == 31) {
/* Very uncommon case - Do not bother to optimize. */
c1 = tcg_const_i64(0);
} else if (mask) {
c1 = tcg_const_i64(1);
tcg_gen_and_i64(c1, c1, cpu_ir[ra]);
} else {
c1 = cpu_ir[ra];
}
if (islit) {
v1 = tcg_const_i64(lit);
} else {
v1 = cpu_ir[rb];
}
z = tcg_const_i64(0);
tcg_gen_movcond_i64(cond, cpu_ir[rc], c1, z, v1, cpu_ir[rc]);
tcg_temp_free_i64(z);
if (ra == 31 || mask) {
tcg_temp_free_i64(c1);
}
if (islit) {
tcg_temp_free_i64(v1);
}
}
static void gen_fcmov(TCGCond cond, int ra, int rb, int rc)
{
TCGv_i64 c1, z, v1;
@ -2061,11 +2025,19 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn)
break;
case 0x14:
/* CMOVLBS */
gen_cmov(TCG_COND_NE, ra, rb, rc, islit, lit, 1);
tmp = tcg_temp_new();
tcg_gen_andi_i64(tmp, va, 1);
tcg_gen_movcond_i64(TCG_COND_NE, vc, tmp, load_zero(ctx),
vb, load_gpr(ctx, rc));
tcg_temp_free(tmp);
break;
case 0x16:
/* CMOVLBC */
gen_cmov(TCG_COND_EQ, ra, rb, rc, islit, lit, 1);
tmp = tcg_temp_new();
tcg_gen_andi_i64(tmp, va, 1);
tcg_gen_movcond_i64(TCG_COND_EQ, vc, tmp, load_zero(ctx),
vb, load_gpr(ctx, rc));
tcg_temp_free(tmp);
break;
case 0x20:
/* BIS */
@ -2073,11 +2045,13 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn)
break;
case 0x24:
/* CMOVEQ */
gen_cmov(TCG_COND_EQ, ra, rb, rc, islit, lit, 0);
tcg_gen_movcond_i64(TCG_COND_EQ, vc, va, load_zero(ctx),
vb, load_gpr(ctx, rc));
break;
case 0x26:
/* CMOVNE */
gen_cmov(TCG_COND_NE, ra, rb, rc, islit, lit, 0);
tcg_gen_movcond_i64(TCG_COND_NE, vc, va, load_zero(ctx),
vb, load_gpr(ctx, rc));
break;
case 0x28:
/* ORNOT */
@ -2089,11 +2063,13 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn)
break;
case 0x44:
/* CMOVLT */
gen_cmov(TCG_COND_LT, ra, rb, rc, islit, lit, 0);
tcg_gen_movcond_i64(TCG_COND_LT, vc, va, load_zero(ctx),
vb, load_gpr(ctx, rc));
break;
case 0x46:
/* CMOVGE */
gen_cmov(TCG_COND_GE, ra, rb, rc, islit, lit, 0);
tcg_gen_movcond_i64(TCG_COND_GE, vc, va, load_zero(ctx),
vb, load_gpr(ctx, rc));
break;
case 0x48:
/* EQV */
@ -2109,11 +2085,13 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn)
break;
case 0x64:
/* CMOVLE */
gen_cmov(TCG_COND_LE, ra, rb, rc, islit, lit, 0);
tcg_gen_movcond_i64(TCG_COND_LE, vc, va, load_zero(ctx),
vb, load_gpr(ctx, rc));
break;
case 0x66:
/* CMOVGT */
gen_cmov(TCG_COND_GT, ra, rb, rc, islit, lit, 0);
tcg_gen_movcond_i64(TCG_COND_GT, vc, va, load_zero(ctx),
vb, load_gpr(ctx, rc));
break;
case 0x6C:
/* IMPLVER */