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Added the "fdiv" and "fdivp" instructions (not complete yet though)

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This commit is contained in:
Pierre Pronchery 2011-04-19 19:51:40 +00:00
parent 02eb799bbc
commit cc04acaa9c
2 changed files with 58 additions and 0 deletions
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33
src/arch/i386.ins
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@ -415,6 +415,39 @@
{ "fclex", 0x9bdbe2, OP3F, AOT_NONE, AOT_NONE, AOT_NONE },
/* FCMOVcc */
/* FIXME implement */
/* FDIV 0xd8 /6 1 m32real */
/* FIXME implement */
/* FDIV 0xdc /6 1 m64real */
/* FIXME implement */
/* FDIV 0xd8f0 +i 2 st(0) st(i) */
{ "fdiv", 0xd8f0, OP2F, OP_st0, OP_st0, AOT_NONE },
{ "fdiv", 0xd8f1, OP2F, OP_st0, OP_st1, AOT_NONE },
{ "fdiv", 0xd8f2, OP2F, OP_st0, OP_st2, AOT_NONE },
{ "fdiv", 0xd8f3, OP2F, OP_st0, OP_st3, AOT_NONE },
{ "fdiv", 0xd8f4, OP2F, OP_st0, OP_st4, AOT_NONE },
{ "fdiv", 0xd8f5, OP2F, OP_st0, OP_st5, AOT_NONE },
{ "fdiv", 0xd8f6, OP2F, OP_st0, OP_st6, AOT_NONE },
{ "fdiv", 0xd8f7, OP2F, OP_st0, OP_st7, AOT_NONE },
/* FDIV 0xdcf8 +i 2 st(0) st(i) */
{ "fdiv", 0xdcf8, OP2F, OP_st0, OP_st0, AOT_NONE },
{ "fdiv", 0xdcf9, OP2F, OP_st1, OP_st0, AOT_NONE },
{ "fdiv", 0xdcfa, OP2F, OP_st2, OP_st0, AOT_NONE },
{ "fdiv", 0xdcfb, OP2F, OP_st3, OP_st0, AOT_NONE },
{ "fdiv", 0xdcfc, OP2F, OP_st4, OP_st0, AOT_NONE },
{ "fdiv", 0xdcfd, OP2F, OP_st5, OP_st0, AOT_NONE },
{ "fdiv", 0xdcfe, OP2F, OP_st6, OP_st0, AOT_NONE },
{ "fdiv", 0xdcff, OP2F, OP_st7, OP_st0, AOT_NONE },
/* FDIVP 0xdef9 2 */
{ "fdivp", 0xdef9, OP2F, AOT_NONE, AOT_NONE, AOT_NONE },
/* FDIVP 0xdef8 +i 2 st(0) st(i) */
{ "fdivp", 0xdef8, OP2F, OP_st0, OP_st0, AOT_NONE },
{ "fdivp", 0xdef9, OP2F, OP_st1, OP_st0, AOT_NONE },
{ "fdivp", 0xdefa, OP2F, OP_st2, OP_st0, AOT_NONE },
{ "fdivp", 0xdefb, OP2F, OP_st3, OP_st0, AOT_NONE },
{ "fdivp", 0xdefc, OP2F, OP_st4, OP_st0, AOT_NONE },
{ "fdivp", 0xdefd, OP2F, OP_st5, OP_st0, AOT_NONE },
{ "fdivp", 0xdefe, OP2F, OP_st6, OP_st0, AOT_NONE },
{ "fdivp", 0xdeff, OP2F, OP_st7, OP_st0, AOT_NONE },
/* FDIVR 0xd8 /7 1 m32real */
/* FIXME implement */
/* FDIVR 0xdc /7 1 m64real */

25
test/i386.S
View File

@ -142,6 +142,31 @@
faddp %st7, %st0
fchs
fclex
fdiv %st0, %st0
fdiv %st0, %st1
fdiv %st0, %st2
fdiv %st0, %st3
fdiv %st0, %st4
fdiv %st0, %st5
fdiv %st0, %st6
fdiv %st0, %st7
fdiv %st0, %st0
fdiv %st1, %st0
fdiv %st2, %st0
fdiv %st3, %st0
fdiv %st4, %st0
fdiv %st5, %st0
fdiv %st6, %st0
fdiv %st7, %st0
fdivp
fdivp %st0, %st0
fdivp %st1, %st0
fdivp %st2, %st0
fdivp %st3, %st0
fdivp %st4, %st0
fdivp %st5, %st0
fdivp %st6, %st0
fdivp %st7, %st0
fdivr %st0, %st0
fdivr %st0, %st1
fdivr %st0, %st2