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target/loongarch: Implement vbitsel vset

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This patch includes:
- VBITSEL.V;
- VBITSELI.B;
- VSET{EQZ/NEZ}.V;
- VSETANYEQZ.{B/H/W/D};
- VSETALLNEZ.{B/H/W/D}.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20230504122810.4094787-38-gaosong@loongson.cn>
This commit is contained in:
Song Gao 2023-05-04 20:28:03 +08:00
parent 386c4e86d0
commit d0dfa19a7b
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GPG key ID: 40A2FFF239263EDF
5 changed files with 174 additions and 0 deletions
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52
target/loongarch/lsx_helper.c
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@ -11,6 +11,7 @@
#include "exec/helper-proto.h"
#include "fpu/softfloat.h"
#include "internals.h"
#include "tcg/tcg.h"
#define DO_ADD(a, b) (a + b)
#define DO_SUB(a, b) (a - b)
@ -2714,3 +2715,54 @@ VFCMP(vfcmp_c_s, 32, UW, float32_compare_quiet)
VFCMP(vfcmp_s_s, 32, UW, float32_compare)
VFCMP(vfcmp_c_d, 64, UD, float64_compare_quiet)
VFCMP(vfcmp_s_d, 64, UD, float64_compare)
void HELPER(vbitseli_b)(void *vd, void *vj, uint64_t imm, uint32_t v)
{
int i;
VReg *Vd = (VReg *)vd;
VReg *Vj = (VReg *)vj;
for (i = 0; i < 16; i++) {
Vd->B(i) = (~Vd->B(i) & Vj->B(i)) | (Vd->B(i) & imm);
}
}
/* Copy from target/arm/tcg/sve_helper.c */
static inline bool do_match2(uint64_t n, uint64_t m0, uint64_t m1, int esz)
{
uint64_t bits = 8 << esz;
uint64_t ones = dup_const(esz, 1);
uint64_t signs = ones << (bits - 1);
uint64_t cmp0, cmp1;
cmp1 = dup_const(esz, n);
cmp0 = cmp1 ^ m0;
cmp1 = cmp1 ^ m1;
cmp0 = (cmp0 - ones) & ~cmp0;
cmp1 = (cmp1 - ones) & ~cmp1;
return (cmp0 | cmp1) & signs;
}
#define SETANYEQZ(NAME, MO) \
void HELPER(NAME)(CPULoongArchState *env, uint32_t cd, uint32_t vj) \
{ \
VReg *Vj = &(env->fpr[vj].vreg); \
\
env->cf[cd & 0x7] = do_match2(0, Vj->D(0), Vj->D(1), MO); \
}
SETANYEQZ(vsetanyeqz_b, MO_8)
SETANYEQZ(vsetanyeqz_h, MO_16)
SETANYEQZ(vsetanyeqz_w, MO_32)
SETANYEQZ(vsetanyeqz_d, MO_64)
#define SETALLNEZ(NAME, MO) \
void HELPER(NAME)(CPULoongArchState *env, uint32_t cd, uint32_t vj) \
{ \
VReg *Vj = &(env->fpr[vj].vreg); \
\
env->cf[cd & 0x7]= !do_match2(0, Vj->D(0), Vj->D(1), MO); \
}
SETALLNEZ(vsetallnez_b, MO_8)
SETALLNEZ(vsetallnez_h, MO_16)
SETALLNEZ(vsetallnez_w, MO_32)
SETALLNEZ(vsetallnez_d, MO_64)