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target-alpha: Expand msk*l inline.

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Similar in difficulty to ext*l, already expanded.

Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Richard Henderson 2009-12-11 11:51:45 -08:00 committed by Aurelien Jarno
parent 248c42f393
commit 14ab163429
3 changed files with 30 additions and 32 deletions
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4
target-alpha/helper.h
View File

@ -17,12 +17,8 @@ DEF_HELPER_1(ctpop, i64, i64)
DEF_HELPER_1(ctlz, i64, i64)
DEF_HELPER_1(cttz, i64, i64)
DEF_HELPER_2(mskbl, i64, i64, i64)
DEF_HELPER_2(mskwl, i64, i64, i64)
DEF_HELPER_2(mskll, i64, i64, i64)
DEF_HELPER_2(zap, i64, i64, i64)
DEF_HELPER_2(zapnot, i64, i64, i64)
DEF_HELPER_2(mskql, i64, i64, i64)
DEF_HELPER_2(mskwh, i64, i64, i64)
DEF_HELPER_2(inswh, i64, i64, i64)
DEF_HELPER_2(msklh, i64, i64, i64)

20
target-alpha/op_helper.c
View File

@ -175,21 +175,6 @@ static inline uint64_t byte_zap(uint64_t op, uint8_t mskb)
return op & ~mask;
}
uint64_t helper_mskbl(uint64_t val, uint64_t mask)
{
return byte_zap(val, 0x01 << (mask & 7));
}
uint64_t helper_mskwl(uint64_t val, uint64_t mask)
{
return byte_zap(val, 0x03 << (mask & 7));
}
uint64_t helper_mskll(uint64_t val, uint64_t mask)
{
return byte_zap(val, 0x0F << (mask & 7));
}
uint64_t helper_zap(uint64_t val, uint64_t mask)
{
return byte_zap(val, mask);
@ -200,11 +185,6 @@ uint64_t helper_zapnot(uint64_t val, uint64_t mask)
return byte_zap(val, ~mask);
}
uint64_t helper_mskql(uint64_t val, uint64_t mask)
{
return byte_zap(val, 0xFF << (mask & 7));
}
uint64_t helper_mskwh(uint64_t val, uint64_t mask)
{
return byte_zap(val, (0x03 << (mask & 7)) >> 8);

38
target-alpha/translate.c
View File

@ -655,6 +655,32 @@ static inline void gen_ins_l(int ra, int rb, int rc, int islit,
}
}
/* MSKBL, MSKWL, MSKLL, MSKQL */
static inline void gen_msk_l(int ra, int rb, int rc, int 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);
else if (islit) {
gen_zapnoti (cpu_ir[rc], cpu_ir[ra], ~(byte_mask << (lit & 7)));
} else {
TCGv shift = tcg_temp_new();
TCGv mask = tcg_temp_new();
tcg_gen_andi_i64(shift, cpu_ir[rb], 7);
tcg_gen_shli_i64(shift, shift, 3);
tcg_gen_movi_i64(mask, zapnot_mask (byte_mask));
tcg_gen_shl_i64(mask, mask, shift);
tcg_gen_andc_i64(cpu_ir[rc], cpu_ir[ra], mask);
tcg_temp_free(mask);
tcg_temp_free(shift);
}
}
/* Code to call arith3 helpers */
#define ARITH3(name) \
static inline void glue(gen_, name)(int ra, int rb, int rc, int islit,\
@ -686,10 +712,6 @@ ARITH3(addlv)
ARITH3(sublv)
ARITH3(addqv)
ARITH3(subqv)
ARITH3(mskbl)
ARITH3(mskwl)
ARITH3(mskll)
ARITH3(mskql)
ARITH3(mskwh)
ARITH3(inswh)
ARITH3(msklh)
@ -1314,7 +1336,7 @@ static inline int translate_one(DisasContext *ctx, uint32_t insn)
switch (fn7) {
case 0x02:
/* MSKBL */
gen_mskbl(ra, rb, rc, islit, lit);
gen_msk_l(ra, rb, rc, islit, lit, 0x01);
break;
case 0x06:
/* EXTBL */
@ -1326,7 +1348,7 @@ static inline int translate_one(DisasContext *ctx, uint32_t insn)
break;
case 0x12:
/* MSKWL */
gen_mskwl(ra, rb, rc, islit, lit);
gen_msk_l(ra, rb, rc, islit, lit, 0x03);
break;
case 0x16:
/* EXTWL */
@ -1338,7 +1360,7 @@ static inline int translate_one(DisasContext *ctx, uint32_t insn)
break;
case 0x22:
/* MSKLL */
gen_mskll(ra, rb, rc, islit, lit);
gen_msk_l(ra, rb, rc, islit, lit, 0x0f);
break;
case 0x26:
/* EXTLL */
@ -1358,7 +1380,7 @@ static inline int translate_one(DisasContext *ctx, uint32_t insn)
break;
case 0x32:
/* MSKQL */
gen_mskql(ra, rb, rc, islit, lit);
gen_msk_l(ra, rb, rc, islit, lit, 0xff);
break;
case 0x34:
/* SRL */