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more bclr fixes 

Signed-off-by: lizzie <lizzie@eden-emu.dev>
This commit is contained in:
lizzie 2025-11-04 23:38:36 +00:00
parent 6dc316e36b
commit e4cbe9b009
2 changed files with 88 additions and 5 deletions
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30
externals/powah/powah_gen_base.hpp vendored
View File

@ -62,12 +62,32 @@ void BCCTR(GPR const bt, Cond const ba, GPR const bb) { emit_XL(0x4c000420, bt.i
void BCCTRL(GPR const bt, Cond const ba, GPR const bb) { emit_XL(0x4c000420, bt.index, cond2offset(ba), bb.index, true); }
void BCLR(GPR const bt, CPR const ba, GPR const bb) { emit_XL(0x4c000020, bt.index, ba.index, bb.index, false); }
void BCLRL(GPR const bt, CPR const ba, GPR const bb) { emit_XL(0x4c000020, bt.index, ba.index, bb.index, true); }
void BCLR(GPR const bt, Cond const ba, GPR const bb) { emit_XL(0x4c000020, bt.index, cond2offset(ba), bb.index, false); }
void BCLRL(GPR const bt, Cond const ba, GPR const bb) { emit_XL(0x4c000020, bt.index, cond2offset(ba), bb.index, true); }
void BLTLR(CPR const cr) { emit_XL(0x4c000020, 12, cr.index + 0, 0, false); }
void BLTLRL(CPR const cr) { emit_XL(0x4c000020, 12, cr.index + 0, 0, true); }
void BLELR(CPR const cr) { emit_XL(0x4c000020, 4, cr.index + 1, 0, false); }
void BLELRL(CPR const cr) { emit_XL(0x4c000020, 4, cr.index + 1, 0, true); }
void BNGLR(CPR const cr) { emit_XL(0x4c000020, 4, cr.index + 1, 0, false); }
void BNGLRL(CPR const cr) { emit_XL(0x4c000020, 4, cr.index + 1, 0, true); }
void BEQLR(CPR const cr) { emit_XL(0x4c000020, 12, cr.index + 2, 0, false); }
void BEQLRL(CPR const cr) { emit_XL(0x4c000020, 12, cr.index + 2, 0, true); }
void BGELR(CPR const cr) { emit_XL(0x4c000020, 4, cr.index + 0, 0, false); }
void BGELRL(CPR const cr) { emit_XL(0x4c000020, 4, cr.index + 0, 0, true); }
void BNLLR(CPR const cr) { emit_XL(0x4c000020, 4, cr.index + 0, 0, false); }
void BNLLRL(CPR const cr) { emit_XL(0x4c000020, 4, cr.index + 0, 0, true); }
void BGTLR(CPR const cr) { emit_XL(0x4c000020, 12, cr.index + 1, 0, false); }
void BGTLRL(CPR const cr) { emit_XL(0x4c000020, 12, cr.index + 1, 0, true); }
void BNELR(CPR const cr) { emit_XL(0x4c000020, 4, cr.index + 2, 0, false); }
void BNELRL(CPR const cr) { emit_XL(0x4c000020, 4, cr.index + 2, 0, true); }
void BSOLR(CPR const cr) { emit_XL(0x4c000020, 12, cr.index + 3, 0, false); }
void BSOLRL(CPR const cr) { emit_XL(0x4c000020, 12, cr.index + 3, 0, true); }
void BUNLR(CPR const cr) { emit_XL(0x4c000020, 12, cr.index + 3, 0, false); }
void BUNLRL(CPR const cr) { emit_XL(0x4c000020, 12, cr.index + 3, 0, true); }
void BNSLR(CPR const cr) { emit_XL(0x4c000020, 4, cr.index + 3, 0, false); }
void BNSLRL(CPR const cr) { emit_XL(0x4c000020, 4, cr.index + 3, 0, true); }
void CMP(uint32_t bf, uint32_t l, GPR const ra, GPR const rb) { emit_X(0x7c000000, GPR{(bf << 2) | l}, ra, rb, false); }
void CMPI(uint32_t bf, uint32_t l, GPR const ra, uint32_t d) { emit_D(0x2c000000, ra, GPR{(bf << 2) | l}, d); }
void CMPL(uint32_t bf, uint32_t l, GPR const ra, GPR const rb) { emit_X(0x7c000000, GPR{(bf << 2) | l}, ra, rb, false); }
void CMPLI(uint32_t bf, uint32_t l, GPR const ra, uint32_t d) { emit_D(0x28000000, ra, GPR{(bf << 2) | l}, d); }
void CMPI(uint32_t bf, uint32_t l, GPR const ra, uint32_t d) { emit_D(0x2c000000, GPR{(bf << 2) | l}, ra, d); }
void CMPL(uint32_t bf, uint32_t l, GPR const ra, GPR const rb) { emit_X(0x7c000040, GPR{(bf << 2) | l}, ra, rb, false); }
void CMPLI(uint32_t bf, uint32_t l, GPR const ra, uint32_t d) { emit_D(0x28000000, GPR{(bf << 2) | l}, ra, d); }
void CNTLZD(GPR const rt, GPR const ra) { emit_X(0x7c000074, ra, rt, R0, false); }
void CNTLZD_(GPR const rt, GPR const ra) { emit_X(0x7c000074, ra, rt, R0, true); }
void CNTLZW(GPR const rt, GPR const ra) { emit_X(0x7c000034, ra, rt, R0, false); }

63
externals/powah/tests.cpp vendored
View File

@ -153,6 +153,69 @@ TEST_CASE("ppc64: branch-backwards", "[ppc64]") {
REQUIRE(data[1] == EB32(0xfcffff4b));
}
TEST_CASE("ppc64: rlwimi madness", "[ppc64]") {
std::vector<uint32_t> data(64);
powah::Context ctx(data.data(), data.size());
ctx.ROTLWI(powah::R10, powah::R3, 24);
ctx.SRDI(powah::R9, powah::R3, 32);
ctx.RLWIMI(powah::R10, powah::R3, 8, 8, 15);
ctx.RLWIMI(powah::R10, powah::R3, 8, 24, 31);
ctx.ROTLWI(powah::R3, powah::R9, 24);
ctx.RLWIMI(powah::R3, powah::R9, 8, 8, 15);
ctx.RLWIMI(powah::R3, powah::R9, 8, 24, 31);
ctx.RLDIMI(powah::R3, powah::R10, 32, 0);
REQUIRE(data[0] == EB32(0x3ec06a54));
REQUIRE(data[1] == EB32(0x22006978));
REQUIRE(data[2] == EB32(0x1e426a50));
REQUIRE(data[3] == EB32(0x3e466a50));
REQUIRE(data[4] == EB32(0x3ec02355));
REQUIRE(data[5] == EB32(0x1e422351));
REQUIRE(data[6] == EB32(0x3e462351));
REQUIRE(data[7] == EB32(0x0e004379));
}
TEST_CASE("ppc64: functor-1", "[ppc64]") {
std::vector<uint32_t> data(64);
powah::Context ctx(data.data(), data.size());
powah::Label l_4 = ctx.DefineLabel();
powah::Label l_7 = ctx.DefineLabel();
ctx.CMPLD(powah::CR0, powah::R3, powah::R4);
ctx.MR(powah::R9, powah::R3);
ctx.BGT(powah::CR0, l_7);
ctx.CMPLDI(powah::CR0, powah::R3, 3781);
ctx.LI(powah::R3, 1);
ctx.BGTLR(powah::CR0);
ctx.CMPLD(powah::CR0, powah::R9, powah::R5);
ctx.BLE(powah::CR0, l_4);
ctx.SUBF(powah::R5, powah::R9, powah::R5);
ctx.XOR(powah::R3, powah::R5, powah::R4);
ctx.BLR();
ctx.LABEL(l_4);
ctx.ADD(powah::R5, powah::R4, powah::R5);
ctx.ADD(powah::R3, powah::R5, powah::R9);
ctx.BLR();
ctx.LABEL(l_7);
ctx.ADD(powah::R3, powah::R4, powah::R5);
ctx.BLR();
ctx.ApplyRelocs();
REQUIRE(data[0] == EB32(0x4020237c));
REQUIRE(data[1] == EB32(0x781b697c));
REQUIRE(data[2] == EB32(0x30008141));
REQUIRE(data[3] == EB32(0xc50e2328));
REQUIRE(data[4] == EB32(0x01006038));
REQUIRE(data[5] == EB32(0x2000814d));
REQUIRE(data[6] == EB32(0x4028297c));
REQUIRE(data[7] == EB32(0x10008140));
REQUIRE(data[8] == EB32(0x5028a97c));
REQUIRE(data[9] == EB32(0x7822a37c));
REQUIRE(data[10] == EB32(0x2000804e));
REQUIRE(data[11] == EB32(0x142aa47c));
REQUIRE(data[12] == EB32(0x144a657c));
REQUIRE(data[13] == EB32(0x2000804e));
REQUIRE(data[14] == EB32(0x142a647c));
REQUIRE(data[15] == EB32(0x2000804e));
}
#if defined(ARCHITECTURE_ppc64)
/*
0: d619637c mullw 3, 3, 3