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Updated JIT compiler and assembly generator for new int -> float conversion

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tevador
2019-02-24 17:24:06 +01:00
parent 790b382eda
commit d9bc6cfeda
10 changed files with 56 additions and 49 deletions
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src/JitCompilerX86.cpp
+4 -6
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@@ -73,9 +73,9 @@ namespace RandomX {
; xmm10 -> "a2"
; xmm11 -> "a3"
; xmm12 -> temporary
; xmm13 -> DBL_MIN
; xmm14 -> absolute value mask 0x7fffffffffffffff7fffffffffffffff
; xmm15 -> sign mask 0x80000000000000008000000000000000
; xmm13 -> mantissa mask = 0x000fffffffffffff000fffffffffffff
; xmm14 -> exponent 2**-240 = 0x30f000000000000030f0000000000000
; xmm15 -> scale mask = 0x81f000000000000081f0000000000000
*/
@@ -165,7 +165,7 @@ namespace RandomX {
static const uint8_t JMP = 0xe9;
static const uint8_t REX_XOR_RAX_R64[] = { 0x49, 0x33 };
static const uint8_t REX_XCHG[] = { 0x4d, 0x87 };
static const uint8_t REX_ANDPS_XMM12[] = { 0x45, 0x0f, 0x54, 0xe6 };
static const uint8_t REX_ANDPS_XMM12[] = { 0x45, 0x0F, 0x54, 0xE5, 0x45, 0x0F, 0x56, 0xE6 };
static const uint8_t REX_PADD[] = { 0x66, 0x44, 0x0f };
static const uint8_t PADD_OPCODES[] = { 0xfc, 0xfd, 0xfe, 0xd4 };
@@ -556,8 +556,6 @@ namespace RandomX {
emit(REX_ANDPS_XMM12);
emit(REX_DIVPD);
emitByte(0xe4 + 8 * instr.dst);
emit(REX_MAXPD);
emitByte(0xe5 + 8 * instr.dst);
}
void JitCompilerX86::h_FSQRT_R(Instruction& instr) {