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

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This commit is contained in:
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/executeProgram-win64.asm
+23 -19
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@@ -52,9 +52,9 @@ executeProgram PROC
; xmm10 -> "a2"
; xmm11 -> "a3"
; xmm12 -> temporary
; xmm13 -> DBL_MIN
; xmm14 -> absolute value mask
; xmm15 -> sign mask
; xmm13 -> mantissa mask = 0x000fffffffffffff000fffffffffffff
; xmm14 -> exponent 2**-240 = 0x30f000000000000030f0000000000000
; xmm15 -> scale mask = 0x81f000000000000081f0000000000000
; store callee-saved registers
push rbx
@@ -103,18 +103,18 @@ executeProgram PROC
movapd xmm9, xmmword ptr [rcx+88]
movapd xmm10, xmmword ptr [rcx+104]
movapd xmm11, xmmword ptr [rcx+120]
movapd xmm13, xmmword ptr [minDbl]
movapd xmm14, xmmword ptr [absMask]
movapd xmm15, xmmword ptr [signMask]
movapd xmm13, xmmword ptr [mantissaMask]
movapd xmm14, xmmword ptr [exp240]
movapd xmm15, xmmword ptr [scaleMask]
jmp program_begin
ALIGN 64
minDbl:
db 0, 0, 0, 0, 0, 0, 16, 0, 0, 0, 0, 0, 0, 0, 16, 0
absMask:
db 255, 255, 255, 255, 255, 255, 255, 127, 255, 255, 255, 255, 255, 255, 255, 127
signMask:
mantissaMask:
db 255, 255, 255, 255, 255, 255, 15, 0, 255, 255, 255, 255, 255, 255, 15, 0
exp240:
db 0, 0, 0, 0, 0, 0, 240, 48, 0, 0, 0, 0, 0, 0, 240, 48
scaleMask:
db 0, 0, 0, 0, 0, 0, 240, 129, 0, 0, 0, 0, 0, 0, 240, 129
ALIGN 64
@@ -145,10 +145,14 @@ program_begin:
cvtdq2pd xmm5, qword ptr [rcx+40]
cvtdq2pd xmm6, qword ptr [rcx+48]
cvtdq2pd xmm7, qword ptr [rcx+56]
andps xmm4, xmm14
andps xmm5, xmm14
andps xmm6, xmm14
andps xmm7, xmm14
andps xmm4, xmm13
andps xmm5, xmm13
andps xmm6, xmm13
andps xmm7, xmm13
orps xmm4, xmm14
orps xmm5, xmm14
orps xmm6, xmm14
orps xmm7, xmm14
;# 256 instructions
include program.inc
@@ -181,10 +185,10 @@ IF 1
mov qword ptr [rcx+48], r14
mov qword ptr [rcx+56], r15
pop rcx
mulpd xmm0, xmm4
mulpd xmm1, xmm5
mulpd xmm2, xmm6
mulpd xmm3, xmm7
xorpd xmm0, xmm4
xorpd xmm1, xmm5
xorpd xmm2, xmm6
xorpd xmm3, xmm7
movapd xmmword ptr [rcx+0], xmm0
movapd xmmword ptr [rcx+16], xmm1
movapd xmmword ptr [rcx+32], xmm2