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target/mips: msa: Unroll loops and demacro <BMNZ|BMZ|BSEL>.V 

Achieves clearer code and slightly better performance.

Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Rikalo <arikalo@wavecomp.com>
Message-Id: <1569415572-19635-11-git-send-email-aleksandar.markovic@rt-rk.com>
This commit is contained in:
Aleksandar Markovic 2019-09-25 14:46:02 +02:00
parent 2e3eddb084
commit c1ed3038e7
2 changed files with 43 additions and 27 deletions
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7
target/mips/helper.h
View File

@ -803,6 +803,10 @@ DEF_HELPER_4(msa_binsr_h, void, env, i32, i32, i32)
DEF_HELPER_4(msa_binsr_w, void, env, i32, i32, i32)
DEF_HELPER_4(msa_binsr_d, void, env, i32, i32, i32)
DEF_HELPER_4(msa_bmnz_v, void, env, i32, i32, i32)
DEF_HELPER_4(msa_bmz_v, void, env, i32, i32, i32)
DEF_HELPER_4(msa_bsel_v, void, env, i32, i32, i32)
DEF_HELPER_4(msa_andi_b, void, env, i32, i32, i32)
DEF_HELPER_4(msa_ori_b, void, env, i32, i32, i32)
@ -957,9 +961,6 @@ DEF_HELPER_4(msa_and_v, void, env, i32, i32, i32)
DEF_HELPER_4(msa_or_v, void, env, i32, i32, i32)
DEF_HELPER_4(msa_nor_v, void, env, i32, i32, i32)
DEF_HELPER_4(msa_xor_v, void, env, i32, i32, i32)
DEF_HELPER_4(msa_bmnz_v, void, env, i32, i32, i32)
DEF_HELPER_4(msa_bmz_v, void, env, i32, i32, i32)
DEF_HELPER_4(msa_bsel_v, void, env, i32, i32, i32)
DEF_HELPER_4(msa_fill_df, void, env, i32, i32, i32)
DEF_HELPER_4(msa_copy_s_b, void, env, i32, i32, i32)

63
target/mips/msa_helper.c
View File

@ -466,6 +466,42 @@ void helper_msa_binsr_d(CPUMIPSState *env,
pwd->d[1] = msa_binsr_df(DF_DOUBLE, pwd->d[1], pws->d[1], pwt->d[1]);
}
void helper_msa_bmnz_v(CPUMIPSState *env, uint32_t wd, uint32_t ws, uint32_t wt)
{
wr_t *pwd = &(env->active_fpu.fpr[wd].wr);
wr_t *pws = &(env->active_fpu.fpr[ws].wr);
wr_t *pwt = &(env->active_fpu.fpr[wt].wr);
pwd->d[0] = UNSIGNED( \
((pwd->d[0] & (~pwt->d[0])) | (pws->d[0] & pwt->d[0])), DF_DOUBLE);
pwd->d[1] = UNSIGNED( \
((pwd->d[1] & (~pwt->d[1])) | (pws->d[1] & pwt->d[1])), DF_DOUBLE);
}
void helper_msa_bmz_v(CPUMIPSState *env, uint32_t wd, uint32_t ws, uint32_t wt)
{
wr_t *pwd = &(env->active_fpu.fpr[wd].wr);
wr_t *pws = &(env->active_fpu.fpr[ws].wr);
wr_t *pwt = &(env->active_fpu.fpr[wt].wr);
pwd->d[0] = UNSIGNED( \
((pwd->d[0] & pwt->d[0]) | (pws->d[0] & (~pwt->d[0]))), DF_DOUBLE);
pwd->d[1] = UNSIGNED( \
((pwd->d[1] & pwt->d[1]) | (pws->d[1] & (~pwt->d[1]))), DF_DOUBLE);
}
void helper_msa_bsel_v(CPUMIPSState *env, uint32_t wd, uint32_t ws, uint32_t wt)
{
wr_t *pwd = &(env->active_fpu.fpr[wd].wr);
wr_t *pws = &(env->active_fpu.fpr[ws].wr);
wr_t *pwt = &(env->active_fpu.fpr[wt].wr);
pwd->d[0] = UNSIGNED( \
(pws->d[0] & (~pwd->d[0])) | (pwt->d[0] & pwd->d[0]), DF_DOUBLE);
pwd->d[1] = UNSIGNED( \
(pws->d[1] & (~pwd->d[1])) | (pwt->d[1] & pwd->d[1]), DF_DOUBLE);
}
/*
* Bit Set
@ -946,6 +982,9 @@ MSA_FN_IMM8(bmzi_b, pwd->b[i],
MSA_FN_IMM8(bseli_b, pwd->b[i],
BIT_SELECT(pwd->b[i], pws->b[i], i8, DF_BYTE))
#undef BIT_SELECT
#undef BIT_MOVE_IF_ZERO
#undef BIT_MOVE_IF_NOT_ZERO
#undef MSA_FN_IMM8
#define SHF_POS(i, imm) (((i) & 0xfc) + (((imm) >> (2 * ((i) & 0x03))) & 0x03))
@ -980,30 +1019,6 @@ void helper_msa_shf_df(CPUMIPSState *env, uint32_t df, uint32_t wd,
msa_move_v(pwd, pwx);
}
#define MSA_FN_VECTOR(FUNC, DEST, OPERATION) \
void helper_msa_ ## FUNC(CPUMIPSState *env, uint32_t wd, uint32_t ws, \
uint32_t wt) \
{ \
wr_t *pwd = &(env->active_fpu.fpr[wd].wr); \
wr_t *pws = &(env->active_fpu.fpr[ws].wr); \
wr_t *pwt = &(env->active_fpu.fpr[wt].wr); \
uint32_t i; \
for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { \
DEST = OPERATION; \
} \
}
MSA_FN_VECTOR(bmnz_v, pwd->d[i],
BIT_MOVE_IF_NOT_ZERO(pwd->d[i], pws->d[i], pwt->d[i], DF_DOUBLE))
MSA_FN_VECTOR(bmz_v, pwd->d[i],
BIT_MOVE_IF_ZERO(pwd->d[i], pws->d[i], pwt->d[i], DF_DOUBLE))
MSA_FN_VECTOR(bsel_v, pwd->d[i],
BIT_SELECT(pwd->d[i], pws->d[i], pwt->d[i], DF_DOUBLE))
#undef BIT_MOVE_IF_NOT_ZERO
#undef BIT_MOVE_IF_ZERO
#undef BIT_SELECT
#undef MSA_FN_VECTOR
void helper_msa_and_v(CPUMIPSState *env, uint32_t wd, uint32_t ws, uint32_t wt)
{
wr_t *pwd = &(env->active_fpu.fpr[wd].wr);