john-terraspace
commented
7 years ago We’re addressing that gcc compatibility anyway, knowing it’s there bugs us too :)
I’ll the below one onto the list. I also found a few 16bit instructions which won’t assemble so they’re on the radar too, not that many people care about 16bit unless you’re writing a bootloader ;)
From: gwoltman [mailto:notifications@github.com] Sent: 15 November 2016 05:57 PM To: Terraspace/HJWasm HJWasm@noreply.github.com Subject: [Terraspace/HJWasm] AVX-512 Broadcast troubles (#40)
vbroadcastsd zmm16, QWORD PTR ZMM_FMA_RND_CONST3
will not assemble.
Believe it or not, I do have working AVX-512 code so we are getting close to working out all the kinks that affect me.
Regarding the AMD trouble I was having, I eyeballed the code and found an AVX2 instruction in my FMA code path (Piledriver crash) and an SSE4 instruction in my SSE2 code path (K10 crash). Consequently, I believe the assembly that is not gcc compatible is not high priority. GDB users will want full compatibility for correct disassembly and ease of placing breakpoints.
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gwoltman
will not assemble.
Believe it or not, I do have working AVX-512 code so we are getting close to working out all the kinks that affect me.
Regarding the AMD trouble I was having, I eyeballed the code and found an AVX2 instruction in my FMA code path (Piledriver crash) and an SSE4 instruction in my SSE2 code path (K10 crash). Consequently, I believe the assembly that is not gcc compatible is not high priority. GDB users will want full compatibility for correct disassembly and ease of placing breakpoints.