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ADC used to implement adde should use "adcs" opcode instead of "adc".

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llvm-svn: 74293
This commit is contained in:
David Goodwin 2009-06-26 18:07:25 +00:00
parent 6448beadc8
commit 46eb5a7a2d
4 changed files with 42 additions and 4 deletions
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4
lib/Target/ARM/ARMInstrThumb2.td
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@ -236,12 +236,12 @@ let Uses = [CPSR] in {
multiclass T2I_adde_sube_irs<string opc, PatFrag opnode, bit Commutable = 0> {
// shifted imm
def ri : T2sI<(outs GPR:$dst), (ins GPR:$lhs, t2_so_imm:$rhs),
opc, " $dst, $lhs, $rhs",
opc, "s $dst, $lhs, $rhs",
[(set GPR:$dst, (opnode GPR:$lhs, t2_so_imm:$rhs))]>,
Requires<[IsThumb, HasThumb2, CarryDefIsUnused]>;
// register
def rr : T2sI<(outs GPR:$dst), (ins GPR:$lhs, GPR:$rhs),
opc, " $dst, $lhs, $rhs",
opc, "s $dst, $lhs, $rhs",
[(set GPR:$dst, (opnode GPR:$lhs, GPR:$rhs))]>,
Requires<[IsThumb, HasThumb2, CarryDefIsUnused]> {
let isCommutable = Commutable;

4
test/CodeGen/Thumb2/carry.ll
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@ -1,6 +1,6 @@
; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep "subs r" | count 2
; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep "adc r"
; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep "sbc r" | count 2
; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep "adcs r"
; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep "sbcs r" | count 2
define i64 @f1(i64 %a, i64 %b) {
entry:

32
test/CodeGen/Thumb2/thumb2-adc.ll Normal file
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@ -0,0 +1,32 @@
; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep {adcs\\W*r\[0-9\],\\W*r\[0-9\],\\W*#\[0-9\]*} | grep {#171\\|#1179666\\|#872428544\\|#1448498774\\|#66846720} | Count 5
; 734439407617 = 0x000000ab00000001
define i64 @f1(i64 %a) {
%tmp = add i64 %a, 734439407617
ret i64 %tmp
}
; 5066626890203137 = 0x0012001200000001
define i64 @f2(i64 %a) {
%tmp = add i64 %a, 5066626890203137
ret i64 %tmp
}
; 3747052064576897025 = 0x3400340000000001
define i64 @f3(i64 %a) {
%tmp = add i64 %a, 3747052064576897025
ret i64 %tmp
}
; 6221254862626095105 = 0x5656565600000001
define i64 @f4(i64 %a) {
%tmp = add i64 %a, 6221254862626095105
ret i64 %tmp
}
; 287104476244869121 = 0x03fc000000000001
define i64 @f5(i64 %a) {
%tmp = add i64 %a, 287104476244869121
ret i64 %tmp
}

6
test/CodeGen/Thumb2/thumb2-adc2.ll Normal file
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@ -0,0 +1,6 @@
; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep {adcs\\W*r\[0-9\],\\W*r\[0-9\],\\W*r\[0-9\]*} | Count 1
define i64 @f1(i64 %a, i64 %b) {
%tmp = add i64 %a, %b
ret i64 %tmp
}