mirror of
https://github.com/patchzyy/wiicompiled
synced 2026-10-10 10:33:58 -04:00
Michael G
54c608ef9c
* runtime: add experimental x86-64-v2 profile * fix review findings in network and translator * build: include mbedtls in macos compile audit * review fixes * cmake: restore macOS deployment target floor before project() * fix: Preserve explicit package versions and gate v3 tests on host support * fix: Prevent TLS session reuse after failed writes * fix: Gate cross-compiled profile tests on emulator availability --------- Co-authored-by: patchzyy <64382339+patchzyy@users.noreply.github.com>
59 lines
2.2 KiB
C++
59 lines
2.2 KiB
C++
#include "isa/ppc_isa_float.h"
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#include <cmath>
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#include <cstdint>
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#include <cstdio>
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namespace {
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bool SameBits(double lhs, double rhs)
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{
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return PpcBitCastToU64Inline(lhs) == PpcBitCastToU64Inline(rhs);
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}
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bool CheckPair(double actual, float a0, float a1, float c0, float c1, float b0, float b1,
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bool subtract, const char* operation)
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{
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const float expected0 = subtract ? std::fma(a0, c0, -b0) : std::fma(a0, c0, b0);
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const float expected1 = subtract ? std::fma(a1, c1, -b1) : std::fma(a1, c1, b1);
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const double expected = PpcPackPairedInline(expected0, expected1);
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if (SameBits(actual, expected)) {
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return true;
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}
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std::fprintf(stderr, "%s produced the wrong paired lanes\n", operation);
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return false;
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}
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bool CheckNegatedPair(double actual, float a0, float a1, float c0, float c1, float b0, float b1,
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bool subtract, const char* operation)
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{
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const float expected0 = -std::fma(a0, c0, subtract ? -b0 : b0);
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const float expected1 = -std::fma(a1, c1, subtract ? -b1 : b1);
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const double expected = PpcPackPairedInline(expected0, expected1);
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if (SameBits(actual, expected)) {
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return true;
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}
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std::fprintf(stderr, "%s produced the wrong paired lanes\n", operation);
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return false;
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}
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} // namespace
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int main()
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{
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const double a = PpcPackPairedInline(1.000000119f, -123.25f);
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const double c = PpcPackPairedInline(33554431.0f, 0.0625f);
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const double b = PpcPackPairedInline(-33554430.0f, 7.75f);
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bool ok = true;
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ok &= CheckPair(PPC_PsMaddNoNiInline(a, c, b), 1.000000119f, -123.25f,
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33554431.0f, 0.0625f, -33554430.0f, 7.75f, false, "ps_madd");
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ok &= CheckPair(PPC_PsMsubNoNiInline(a, c, b), 1.000000119f, -123.25f,
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33554431.0f, 0.0625f, -33554430.0f, 7.75f, true, "ps_msub");
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ok &= CheckNegatedPair(PPC_PsNmaddInline(a, c, b), 1.000000119f, -123.25f,
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33554431.0f, 0.0625f, -33554430.0f, 7.75f, false, "ps_nmadd");
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ok &= CheckNegatedPair(PPC_PsNmsubNoNiInline(a, c, b), 1.000000119f, -123.25f,
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33554431.0f, 0.0625f, -33554430.0f, 7.75f, true, "ps_nmsub");
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return ok ? 0 : 1;
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}
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