From 7ce720b448c581b822577aaf44b73a5aa9689dfc Mon Sep 17 00:00:00 2001 From: David Goodwin Date: Fri, 26 Jun 2009 20:45:56 +0000 Subject: [PATCH] Use "adcs/sbcs" only when the carry-out is live, otherwise use "adc/sbc". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74321 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/ARM/ARMInstrThumb2.td | 6 +++--- test/CodeGen/Thumb2/carry.ll | 4 ++-- test/CodeGen/Thumb2/thumb2-adc.ll | 2 +- test/CodeGen/Thumb2/thumb2-adc2.ll | 2 +- 4 files changed, 7 insertions(+), 7 deletions(-) diff --git a/lib/Target/ARM/ARMInstrThumb2.td b/lib/Target/ARM/ARMInstrThumb2.td index 6151adf163d..c965d1d0931 100644 --- a/lib/Target/ARM/ARMInstrThumb2.td +++ b/lib/Target/ARM/ARMInstrThumb2.td @@ -236,19 +236,19 @@ let Uses = [CPSR] in { multiclass T2I_adde_sube_irs { // shifted imm def ri : T2sI<(outs GPR:$dst), (ins GPR:$lhs, t2_so_imm:$rhs), - opc, "s $dst, $lhs, $rhs", + opc, " $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, "s $dst, $lhs, $rhs", + opc, " $dst, $lhs, $rhs", [(set GPR:$dst, (opnode GPR:$lhs, GPR:$rhs))]>, Requires<[IsThumb, HasThumb2, CarryDefIsUnused]> { let isCommutable = Commutable; } // shifted register def rs : T2sI<(outs GPR:$dst), (ins GPR:$lhs, t2_so_reg:$rhs), - opc, "s $dst, $lhs, $rhs", + opc, " $dst, $lhs, $rhs", [(set GPR:$dst, (opnode GPR:$lhs, t2_so_reg:$rhs))]>, Requires<[IsThumb, HasThumb2, CarryDefIsUnused]>; // Carry setting variants diff --git a/test/CodeGen/Thumb2/carry.ll b/test/CodeGen/Thumb2/carry.ll index d477124d076..3450c5aea40 100644 --- a/test/CodeGen/Thumb2/carry.ll +++ b/test/CodeGen/Thumb2/carry.ll @@ -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 "adcs r" -; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep "sbcs 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 define i64 @f1(i64 %a, i64 %b) { entry: diff --git a/test/CodeGen/Thumb2/thumb2-adc.ll b/test/CodeGen/Thumb2/thumb2-adc.ll index f076704c729..4424c1ac900 100644 --- a/test/CodeGen/Thumb2/thumb2-adc.ll +++ b/test/CodeGen/Thumb2/thumb2-adc.ll @@ -1,4 +1,4 @@ -; 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 +; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep {adc\\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) { diff --git a/test/CodeGen/Thumb2/thumb2-adc2.ll b/test/CodeGen/Thumb2/thumb2-adc2.ll index 7b786e6c091..2530d8da0e6 100644 --- a/test/CodeGen/Thumb2/thumb2-adc2.ll +++ b/test/CodeGen/Thumb2/thumb2-adc2.ll @@ -1,4 +1,4 @@ -; 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 +; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep {adc\\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 -- 2.11.0