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nim devel emit codegen workaround

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jangko 2023-06-14 18:13:07 +07:00
parent 21eeee72df
commit 6371b66030
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2 changed files with 14 additions and 4 deletions
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3
.github/workflows/ci.yml vendored
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@ -152,6 +152,9 @@ jobs:
# https://github.com/status-im/nimbus-eth2/issues/3121 # https://github.com/status-im/nimbus-eth2/issues/3121
export NIMFLAGS="-d:nimRawSetjmp" export NIMFLAGS="-d:nimRawSetjmp"
fi fi
if [[ "${{ matrix.branch }}" == "devel" ]]; then
export NIMFLAGS="${NIMFLAGS} -d:nimDevelFixVarParam"
fi
nim --version nim --version
nimble --version nimble --version
nimble install -y --depsOnly nimble install -y --depsOnly

15
stint/private/primitives/extended_precision_64bit_uint128.nim
View File

@ -15,6 +15,13 @@ import ../datatypes
# #
# ############################################################ # ############################################################
const
# at the time of writing June 14th 2023
# only devel branch codegen can generate
# ptr deref when using var param
# while version-1-6 and version-2-0 branch cannot
noExplicitPtrDeref = defined(cpp) or defined(nimDevelFixVarParam)
static: static:
doAssert GCC_Compatible doAssert GCC_Compatible
doAssert sizeof(int) == 8 doAssert sizeof(int) == 8
@ -28,7 +35,7 @@ func div2n1n_128*(q, r: var uint64, n_hi, n_lo, d: uint64) {.inline.}=
{.emit:[dblPrec, " = (unsigned __int128)", n_hi," << 64 | (unsigned __int128)",n_lo,";"].} {.emit:[dblPrec, " = (unsigned __int128)", n_hi," << 64 | (unsigned __int128)",n_lo,";"].}
# Don't forget to dereference the var param in C mode # Don't forget to dereference the var param in C mode
when defined(cpp): when noExplicitPtrDeref:
{.emit:[q, " = (NU64)(", dblPrec," / ", d, ");"].} {.emit:[q, " = (NU64)(", dblPrec," / ", d, ");"].}
{.emit:[r, " = (NU64)(", dblPrec," % ", d, ");"].} {.emit:[r, " = (NU64)(", dblPrec," % ", d, ");"].}
else: else:
@ -43,7 +50,7 @@ func mul_128*(hi, lo: var uint64, a, b: uint64) {.inline.} =
{.emit:[dblPrec, " = (unsigned __int128)", a," * (unsigned __int128)", b,";"].} {.emit:[dblPrec, " = (unsigned __int128)", a," * (unsigned __int128)", b,";"].}
# Don't forget to dereference the var param in C mode # Don't forget to dereference the var param in C mode
when defined(cpp): when noExplicitPtrDeref:
{.emit:[hi, " = (NU64)(", dblPrec," >> ", 64'u64, ");"].} {.emit:[hi, " = (NU64)(", dblPrec," >> ", 64'u64, ");"].}
{.emit:[lo, " = (NU64)", dblPrec,";"].} {.emit:[lo, " = (NU64)", dblPrec,";"].}
else: else:
@ -64,7 +71,7 @@ func muladd1_128*(hi, lo: var uint64, a, b, c: uint64) {.inline.} =
{.emit:[dblPrec, " = (unsigned __int128)", a," * (unsigned __int128)", b, " + (unsigned __int128)",c,";"].} {.emit:[dblPrec, " = (unsigned __int128)", a," * (unsigned __int128)", b, " + (unsigned __int128)",c,";"].}
# Don't forget to dereference the var param in C mode # Don't forget to dereference the var param in C mode
when defined(cpp): when noExplicitPtrDeref:
{.emit:[hi, " = (NU64)(", dblPrec," >> ", 64'u64, ");"].} {.emit:[hi, " = (NU64)(", dblPrec," >> ", 64'u64, ");"].}
{.emit:[lo, " = (NU64)", dblPrec,";"].} {.emit:[lo, " = (NU64)", dblPrec,";"].}
else: else:
@ -87,7 +94,7 @@ func muladd2_128*(hi, lo: var uint64, a, b, c1, c2: uint64) {.inline.}=
].} ].}
# Don't forget to dereference the var param in C mode # Don't forget to dereference the var param in C mode
when defined(cpp): when noExplicitPtrDeref:
{.emit:[hi, " = (NU64)(", dblPrec," >> ", 64'u64, ");"].} {.emit:[hi, " = (NU64)(", dblPrec," >> ", 64'u64, ");"].}
{.emit:[lo, " = (NU64)", dblPrec,";"].} {.emit:[lo, " = (NU64)", dblPrec,";"].}
else: else: