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cmd/asm: add comments back for aliases on jumps for x86
These were lost in the transition from 8a/6a to asm. Also, in the process, discover more aliases. I'm betting the missing ones were a casualty of the recent merge of 386 and amd64. Update #10385. Change-Id: I1681034b25af3ffc103f75e5fc57baca5feb3fcd Reviewed-on: https://go-review.googlesource.com/9431 Reviewed-by: Russ Cox <rsc@golang.org>
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@ -103,35 +103,51 @@ func archX86(linkArch *obj.LinkArch) *Arch {
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}
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}
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// Annoying aliases.
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instructions["JA"] = x86.AJHI
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instructions["JAE"] = x86.AJCC
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instructions["JB"] = x86.AJCS
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instructions["JBE"] = x86.AJLS
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instructions["JC"] = x86.AJCS
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instructions["JE"] = x86.AJEQ
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instructions["JG"] = x86.AJGT
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instructions["JHS"] = x86.AJCC
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instructions["JL"] = x86.AJLT
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instructions["JLO"] = x86.AJCS
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instructions["JNA"] = x86.AJLS
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instructions["JNAE"] = x86.AJCS
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instructions["JNB"] = x86.AJCC
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instructions["JNBE"] = x86.AJHI
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instructions["JNC"] = x86.AJCC
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instructions["JNG"] = x86.AJLE
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instructions["JNGE"] = x86.AJLT
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instructions["JNL"] = x86.AJGE
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instructions["JNLE"] = x86.AJGT
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instructions["JNO"] = x86.AJOC
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instructions["JNP"] = x86.AJPC
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instructions["JNS"] = x86.AJPL
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instructions["JNZ"] = x86.AJNE
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instructions["JO"] = x86.AJOS
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instructions["JP"] = x86.AJPS
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instructions["JPE"] = x86.AJPS
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instructions["JPO"] = x86.AJPC
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instructions["JS"] = x86.AJMI
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instructions["JZ"] = x86.AJEQ
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instructions["JA"] = x86.AJHI /* alternate */
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instructions["JAE"] = x86.AJCC /* alternate */
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instructions["JB"] = x86.AJCS /* alternate */
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instructions["JBE"] = x86.AJLS /* alternate */
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instructions["JC"] = x86.AJCS /* alternate */
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instructions["JCC"] = x86.AJCC /* carry clear (CF = 0) */
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instructions["JCS"] = x86.AJCS /* carry set (CF = 1) */
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instructions["JE"] = x86.AJEQ /* alternate */
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instructions["JEQ"] = x86.AJEQ /* equal (ZF = 1) */
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instructions["JG"] = x86.AJGT /* alternate */
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instructions["JGE"] = x86.AJGE /* greater than or equal (signed) (SF = OF) */
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instructions["JGT"] = x86.AJGT /* greater than (signed) (ZF = 0 && SF = OF) */
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instructions["JHI"] = x86.AJHI /* higher (unsigned) (CF = 0 && ZF = 0) */
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instructions["JHS"] = x86.AJCC /* alternate */
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instructions["JL"] = x86.AJLT /* alternate */
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instructions["JLE"] = x86.AJLE /* less than or equal (signed) (ZF = 1 || SF != OF) */
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instructions["JLO"] = x86.AJCS /* alternate */
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instructions["JLS"] = x86.AJLS /* lower or same (unsigned) (CF = 1 || ZF = 1) */
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instructions["JLT"] = x86.AJLT /* less than (signed) (SF != OF) */
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instructions["JMI"] = x86.AJMI /* negative (minus) (SF = 1) */
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instructions["JNA"] = x86.AJLS /* alternate */
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instructions["JNAE"] = x86.AJCS /* alternate */
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instructions["JNB"] = x86.AJCC /* alternate */
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instructions["JNBE"] = x86.AJHI /* alternate */
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instructions["JNC"] = x86.AJCC /* alternate */
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instructions["JNE"] = x86.AJNE /* not equal (ZF = 0) */
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instructions["JNG"] = x86.AJLE /* alternate */
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instructions["JNGE"] = x86.AJLT /* alternate */
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instructions["JNL"] = x86.AJGE /* alternate */
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instructions["JNLE"] = x86.AJGT /* alternate */
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instructions["JNO"] = x86.AJOC /* alternate */
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instructions["JNP"] = x86.AJPC /* alternate */
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instructions["JNS"] = x86.AJPL /* alternate */
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instructions["JNZ"] = x86.AJNE /* alternate */
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instructions["JO"] = x86.AJOS /* alternate */
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instructions["JOC"] = x86.AJOC /* overflow clear (OF = 0) */
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instructions["JOS"] = x86.AJOS /* overflow set (OF = 1) */
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instructions["JP"] = x86.AJPS /* alternate */
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instructions["JPC"] = x86.AJPC /* parity clear (PF = 0) */
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instructions["JPE"] = x86.AJPS /* alternate */
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instructions["JPL"] = x86.AJPL /* non-negative (plus) (SF = 0) */
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instructions["JPO"] = x86.AJPC /* alternate */
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instructions["JPS"] = x86.AJPS /* parity set (PF = 1) */
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instructions["JS"] = x86.AJMI /* alternate */
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instructions["JZ"] = x86.AJEQ /* alternate */
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instructions["MASKMOVDQU"] = x86.AMASKMOVOU
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instructions["MOVD"] = x86.AMOVQ
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instructions["MOVDQ2Q"] = x86.AMOVQ
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