[llvm-commits] CVS: llvm/lib/Target/X86/X86InstrInfo.td
Chris Lattner
lattner at cs.uiuc.edu
Sun Apr 11 15:27:01 PDT 2004
Changes in directory llvm/lib/Target/X86:
X86InstrInfo.td updated: 1.70 -> 1.71
---
Log message:
Add some new instructions
---
Diffs of the changes: (+38 -1)
Index: llvm/lib/Target/X86/X86InstrInfo.td
diff -u llvm/lib/Target/X86/X86InstrInfo.td:1.70 llvm/lib/Target/X86/X86InstrInfo.td:1.71
--- llvm/lib/Target/X86/X86InstrInfo.td:1.70 Thu Apr 8 17:39:13 2004
+++ llvm/lib/Target/X86/X86InstrInfo.td Sun Apr 11 15:24:15 2004
@@ -726,6 +726,44 @@
def FpGETRESULT : FPI<"FGETRESULT",0, Pseudo, SpecialFP>; // FPR = ST(0)
def FpSETRESULT : FPI<"FSETRESULT",0, Pseudo, SpecialFP>; // ST(0) = FPR
+// FADD reg, mem: Before stackification, these are represented by: R1 = FADD* R2, [mem]
+def FADD32m : FPI32m<"fadd", 0xD8, MRM0m, OneArgFPRW>; // ST(0) = ST(0) + [mem32real]
+def FADD64m : FPI64m<"fadd", 0xDC, MRM0m, OneArgFPRW>; // ST(0) = ST(0) + [mem64real]
+def FIADD16m : FPI16m<"fiadd", 0xDE, MRM0m, OneArgFPRW>; // ST(0) = ST(0) + [mem16int]
+def FIADD32m : FPI32m<"fiadd", 0xDA, MRM0m, OneArgFPRW>; // ST(0) = ST(0) + [mem32int]
+
+// FMUL reg, mem: Before stackification, these are represented by: R1 = FMUL* R2, [mem]
+def FMUL32m : FPI32m<"fmul", 0xD8, MRM1m, OneArgFPRW>; // ST(0) = ST(0) * [mem32real]
+def FMUL64m : FPI64m<"fmul", 0xDC, MRM1m, OneArgFPRW>; // ST(0) = ST(0) * [mem64real]
+def FIMUL16m : FPI16m<"fimul", 0xDE, MRM1m, OneArgFPRW>; // ST(0) = ST(0) * [mem16int]
+def FIMUL32m : FPI32m<"fimul", 0xDA, MRM1m, OneArgFPRW>; // ST(0) = ST(0) * [mem32int]
+
+// FSUB reg, mem: Before stackification, these are represented by: R1 = FSUB* R2, [mem]
+def FSUB32m : FPI32m<"fsub", 0xD8, MRM4m, OneArgFPRW>; // ST(0) = ST(0) - [mem32real]
+def FSUB64m : FPI64m<"fsub", 0xDC, MRM4m, OneArgFPRW>; // ST(0) = ST(0) - [mem64real]
+def FISUB16m : FPI16m<"fisub", 0xDE, MRM4m, OneArgFPRW>; // ST(0) = ST(0) - [mem16int]
+def FISUB32m : FPI32m<"fisub", 0xDA, MRM4m, OneArgFPRW>; // ST(0) = ST(0) - [mem32int]
+
+// FSUBR reg, mem: Before stackification, these are represented by: R1 = FSUBR* R2, [mem]
+// Note that the order of operands does not reflect the operation being performed.
+def FSUBR32m : FPI32m<"fsubr", 0xD8, MRM5m, OneArgFPRW>; // ST(0) = [mem32real] - ST(0)
+def FSUBR64m : FPI64m<"fsubr", 0xDC, MRM5m, OneArgFPRW>; // ST(0) = [mem64real] - ST(0)
+def FISUBR16m : FPI16m<"fisubr", 0xDE, MRM5m, OneArgFPRW>; // ST(0) = [mem16int] - ST(0)
+def FISUBR32m : FPI32m<"fisubr", 0xDA, MRM5m, OneArgFPRW>; // ST(0) = [mem32int] - ST(0)
+
+// FDIV reg, mem: Before stackification, these are represented by: R1 = FDIV* R2, [mem]
+def FDIV32m : FPI32m<"fdiv", 0xD8, MRM6m, OneArgFPRW>; // ST(0) = ST(0) / [mem32real]
+def FDIV64m : FPI64m<"fdiv", 0xDC, MRM6m, OneArgFPRW>; // ST(0) = ST(0) / [mem64real]
+def FIDIV16m : FPI16m<"fidiv", 0xDE, MRM6m, OneArgFPRW>; // ST(0) = ST(0) / [mem16int]
+def FIDIV32m : FPI32m<"fidiv", 0xDA, MRM6m, OneArgFPRW>; // ST(0) = ST(0) / [mem32int]
+
+// FDIVR reg, mem: Before stackification, these are represented by: R1 = FDIVR* R2, [mem]
+// Note that the order of operands does not reflect the operation being performed.
+def FDIVR32m : FPI32m<"fdivr", 0xD8, MRM7m, OneArgFPRW>; // ST(0) = [mem32real] / ST(0)
+def FDIVR64m : FPI64m<"fdivr", 0xDC, MRM7m, OneArgFPRW>; // ST(0) = [mem64real] / ST(0)
+def FIDIVR16m : FPI16m<"fidivr", 0xDE, MRM7m, OneArgFPRW>; // ST(0) = [mem16int] / ST(0)
+def FIDIVR32m : FPI32m<"fidivr", 0xDA, MRM7m, OneArgFPRW>; // ST(0) = [mem32int] / ST(0)
+
// Floating point cmovs...
let isTwoAddress = 1, Uses = [ST0], Defs = [ST0], printImplicitUsesBefore = 1 in {
@@ -769,7 +807,6 @@
// Unary operations...
def FCHS : FPI<"fchs", 0xE0, RawFrm, OneArgFPRW>, D9; // f1 = fchs f2
-
def FTST : FPI<"ftst", 0xE4, RawFrm, OneArgFP>, D9; // ftst ST(0)
// Binary arithmetic operations...
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