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Fix encoding of 'sf' and 'sfh' instructions.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103399 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Kalle Raiskila 2010-05-10 08:13:49 +00:00
parent faa95763eb
commit 26c4cf4c6f
2 changed files with 29 additions and 3 deletions
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6
lib/Target/CellSPU/SPUInstrInfo.td
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@ -655,7 +655,7 @@ def SFHvec:
def SFHr16:
RRForm<0b00010010000, (outs R16C:$rT), (ins R16C:$rA, R16C:$rB),
"sfh\t$rT, $rA, $rB", IntegerOp,
[(set R16C:$rT, (sub R16C:$rA, R16C:$rB))]>;
[(set R16C:$rT, (sub R16C:$rB, R16C:$rA))]>;
def SFHIvec:
RI10Form<0b10110000, (outs VECREG:$rT), (ins VECREG:$rA, s10imm:$val),
@ -670,11 +670,11 @@ def SFHIr16 : RI10Form<0b10110000, (outs R16C:$rT), (ins R16C:$rA, s10imm:$val),
def SFvec : RRForm<0b00000010000, (outs VECREG:$rT),
(ins VECREG:$rA, VECREG:$rB),
"sf\t$rT, $rA, $rB", IntegerOp,
[(set (v4i32 VECREG:$rT), (sub (v4i32 VECREG:$rA), (v4i32 VECREG:$rB)))]>;
[(set (v4i32 VECREG:$rT), (sub (v4i32 VECREG:$rB), (v4i32 VECREG:$rA)))]>;
def SFr32 : RRForm<0b00000010000, (outs R32C:$rT), (ins R32C:$rA, R32C:$rB),
"sf\t$rT, $rA, $rB", IntegerOp,
[(set R32C:$rT, (sub R32C:$rA, R32C:$rB))]>;
[(set R32C:$rT, (sub R32C:$rB, R32C:$rA))]>;
def SFIvec:
RI10Form<0b00110000, (outs VECREG:$rT), (ins VECREG:$rA, s10imm:$val),

26
test/CodeGen/CellSPU/sub_ops.ll Normal file
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@ -0,0 +1,26 @@
; RUN: llc < %s -march=cellspu | FileCheck %s
define i32 @subword( i32 %param1, i32 %param2) {
; Check ordering of registers ret=param1-param2 -> rt=rb-ra
; CHECK-NOT: sf $3, $3, $4
; CHECK: sf $3, $4, $3
%1 = sub i32 %param1, %param2
ret i32 %1
}
define i16 @subhword( i16 %param1, i16 %param2) {
; Check ordering of registers ret=param1-param2 -> rt=rb-ra
; CHECK-NOT: sfh $3, $3, $4
; CHECK: sfh $3, $4, $3
%1 = sub i16 %param1, %param2
ret i16 %1
}
define float @subfloat( float %param1, float %param2) {
; Check ordering of registers ret=param1-param2 -> rt=ra-rb
; (yes this is reverse of i32 instruction)
; CHECK-NOT: fs $3, $4, $3
; CHECK: fs $3, $3, $4
%1 = fsub float %param1, %param2
ret float %1
}