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| author | Yueh-Ting (Eop) Chen <yueh.ting.chen@gmail.com> | 2021-11-27 19:14:53 +0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-11-27 03:14:53 -0800 |
| commit | 7cc6c0a0d72c42ffed8753e89a71289b040ec8fe (patch) | |
| tree | 7daee0bece67cd739db4e6f9549f69a9d3bcf13e /riscv/decode.h | |
| parent | f5e5b653d99a2529310eca69b91a49aba02c62cd (diff) | |
| download | spike-7cc6c0a0d72c42ffed8753e89a71289b040ec8fe.zip spike-7cc6c0a0d72c42ffed8753e89a71289b040ec8fe.tar.gz spike-7cc6c0a0d72c42ffed8753e89a71289b040ec8fe.tar.bz2 | |
Simplify single-width averaging add and subtract (#867)
Diffstat (limited to 'riscv/decode.h')
| -rw-r--r-- | riscv/decode.h | 104 |
1 files changed, 28 insertions, 76 deletions
diff --git a/riscv/decode.h b/riscv/decode.h index 0ed7f37..2eccce2 100644 --- a/riscv/decode.h +++ b/riscv/decode.h @@ -1427,85 +1427,37 @@ VI_LOOP_END VI_LOOP_END // average loop -#define VI_VVX_LOOP_AVG(opd, op, is_vs1) \ -VI_CHECK_SSS(is_vs1); \ +#define VI_VV_LOOP_AVG(op) \ VRM xrm = p->VU.get_vround_mode(); \ -VI_LOOP_BASE \ - switch(sew) { \ - case e8: { \ - VV_PARAMS(e8); \ - type_sew_t<e8>::type rs1 = RS1; \ - auto res = (int32_t)vs2 op opd; \ - INT_ROUNDING(res, xrm, 1); \ - vd = res >> 1; \ - break; \ - } \ - case e16: { \ - VV_PARAMS(e16); \ - type_sew_t<e16>::type rs1 = RS1; \ - auto res = (int32_t)vs2 op opd; \ - INT_ROUNDING(res, xrm, 1); \ - vd = res >> 1; \ - break; \ - } \ - case e32: { \ - VV_PARAMS(e32); \ - type_sew_t<e32>::type rs1 = RS1; \ - auto res = (int64_t)vs2 op opd; \ - INT_ROUNDING(res, xrm, 1); \ - vd = res >> 1; \ - break; \ - } \ - default: { \ - VV_PARAMS(e64); \ - type_sew_t<e64>::type rs1 = RS1; \ - auto res = (int128_t)vs2 op opd; \ - INT_ROUNDING(res, xrm, 1); \ - vd = res >> 1; \ - break; \ - } \ - } \ -VI_LOOP_END +VI_VV_LOOP({ \ + uint128_t res = ((uint128_t)vs2) op vs1; \ + INT_ROUNDING(res, xrm, 1); \ + vd = res >> 1; \ +}) -#define VI_VVX_ULOOP_AVG(opd, op, is_vs1) \ -VI_CHECK_SSS(is_vs1); \ +#define VI_VX_LOOP_AVG(op) \ VRM xrm = p->VU.get_vround_mode(); \ -VI_LOOP_BASE \ - switch(sew) { \ - case e8: { \ - VV_U_PARAMS(e8); \ - type_usew_t<e8>::type rs1 = RS1; \ - auto res = (uint16_t)vs2 op opd; \ - INT_ROUNDING(res, xrm, 1); \ - vd = res >> 1; \ - break; \ - } \ - case e16: { \ - VV_U_PARAMS(e16); \ - type_usew_t<e16>::type rs1 = RS1; \ - auto res = (uint32_t)vs2 op opd; \ - INT_ROUNDING(res, xrm, 1); \ - vd = res >> 1; \ - break; \ - } \ - case e32: { \ - VV_U_PARAMS(e32); \ - type_usew_t<e32>::type rs1 = RS1; \ - auto res = (uint64_t)vs2 op opd; \ - INT_ROUNDING(res, xrm, 1); \ - vd = res >> 1; \ - break; \ - } \ - default: { \ - VV_U_PARAMS(e64); \ - type_usew_t<e64>::type rs1 = RS1; \ - auto res = (uint128_t)vs2 op opd; \ - INT_ROUNDING(res, xrm, 1); \ - vd = res >> 1; \ - break; \ - } \ - } \ -VI_LOOP_END +VI_VX_LOOP({ \ + uint128_t res = ((uint128_t)vs2) op rs1; \ + INT_ROUNDING(res, xrm, 1); \ + vd = res >> 1; \ +}) + +#define VI_VV_ULOOP_AVG(op) \ +VRM xrm = p->VU.get_vround_mode(); \ +VI_VV_ULOOP({ \ + uint128_t res = ((uint128_t)vs2) op vs1; \ + INT_ROUNDING(res, xrm, 1); \ + vd = res >> 1; \ +}) + +#define VI_VX_ULOOP_AVG(op) \ +VRM xrm = p->VU.get_vround_mode(); \ +VI_VX_ULOOP({ \ + uint128_t res = ((uint128_t)vs2) op rs1; \ + INT_ROUNDING(res, xrm, 1); \ + vd = res >> 1; \ +}) // // vector: load/store helper |