6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-07-12 16:30:35 +00:00
Code Issues Projects Releases Wiki Activity

Added indexed stores.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74740 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2009-07-03 00:06:39 +00:00
parent 0d86e2fa58
commit 6d94f11196
3 changed files with 84 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

46
lib/Target/ARM/ARMInstrThumb2.td
View File

@ -142,7 +142,8 @@ def t2addrmode_imm8 : Operand<i32>,
let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
}
def t2am_imm8_offset : Operand<i32> {
def t2am_imm8_offset : Operand<i32>,
ComplexPattern<i32, 1, "SelectT2AddrModeImm8Offset", []>{
let PrintMethod = "printT2AddrModeImm8OffsetOperand";
}
@ -611,6 +612,49 @@ let mayLoad = 1 in
def t2STRDi8 : T2Ii8s4<(outs), (ins GPR:$src, t2addrmode_imm8s4:$addr),
"strd", " $src, $addr", []>;
// Indexed stores
def t2STR_PRE : T2Iidxldst<(outs GPR:$base_wb),
(ins GPR:$src, GPR:$base, t2am_imm8_offset:$offset),
AddrModeT2_i8, IndexModePre,
"str", " $src, [$base, $offset]!", "$base = $base_wb",
[(set GPR:$base_wb,
(pre_store GPR:$src, GPR:$base, t2am_imm8_offset:$offset))]>;
def t2STR_POST : T2Iidxldst<(outs GPR:$base_wb),
(ins GPR:$src, GPR:$base, t2am_imm8_offset:$offset),
AddrModeT2_i8, IndexModePost,
"str", " $src, [$base], $offset", "$base = $base_wb",
[(set GPR:$base_wb,
(post_store GPR:$src, GPR:$base, t2am_imm8_offset:$offset))]>;
def t2STRH_PRE : T2Iidxldst<(outs GPR:$base_wb),
(ins GPR:$src, GPR:$base, t2am_imm8_offset:$offset),
AddrModeT2_i8, IndexModePre,
"strh", " $src, [$base, $offset]!", "$base = $base_wb",
[(set GPR:$base_wb,
(pre_truncsti16 GPR:$src, GPR:$base, t2am_imm8_offset:$offset))]>;
def t2STRH_POST : T2Iidxldst<(outs GPR:$base_wb),
(ins GPR:$src, GPR:$base, t2am_imm8_offset:$offset),
AddrModeT2_i8, IndexModePost,
"strh", " $src, [$base], $offset", "$base = $base_wb",
[(set GPR:$base_wb,
(post_truncsti16 GPR:$src, GPR:$base, t2am_imm8_offset:$offset))]>;
def t2STRB_PRE : T2Iidxldst<(outs GPR:$base_wb),
(ins GPR:$src, GPR:$base, t2am_imm8_offset:$offset),
AddrModeT2_i8, IndexModePre,
"strb", " $src, [$base, $offset]!", "$base = $base_wb",
[(set GPR:$base_wb,
(pre_truncsti8 GPR:$src, GPR:$base, t2am_imm8_offset:$offset))]>;
def t2STRB_POST : T2Iidxldst<(outs GPR:$base_wb),
(ins GPR:$src, GPR:$base, t2am_imm8_offset:$offset),
AddrModeT2_i8, IndexModePost,
"strb", " $src, [$base], $offset", "$base = $base_wb",
[(set GPR:$base_wb,
(post_truncsti8 GPR:$src, GPR:$base, t2am_imm8_offset:$offset))]>;
// Address computation and loads and stores in PIC mode.
let isNotDuplicable = 1, AddedComplexity = 10 in {

21
test/CodeGen/Thumb2/thumb2-str_post.ll Normal file
View File

@ -0,0 +1,21 @@
; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | \
; RUN: grep {strh .*\\\[.*\], #-4} | count 1
; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | \
; RUN: grep {str .*\\\[.*\],} | count 1
define i16 @test1(i32* %X, i16* %A) {
%Y = load i32* %X ; <i32> [#uses=1]
%tmp1 = trunc i32 %Y to i16 ; <i16> [#uses=1]
store i16 %tmp1, i16* %A
%tmp2 = ptrtoint i16* %A to i16 ; <i16> [#uses=1]
%tmp3 = sub i16 %tmp2, 4 ; <i16> [#uses=1]
ret i16 %tmp3
}
define i32 @test2(i32* %X, i32* %A) {
%Y = load i32* %X ; <i32> [#uses=1]
store i32 %Y, i32* %A
%tmp1 = ptrtoint i32* %A to i32 ; <i32> [#uses=1]
%tmp2 = sub i32 %tmp1, 4 ; <i32> [#uses=1]
ret i32 %tmp2
}

18
test/CodeGen/Thumb2/thumb2-str_pre.ll Normal file
View File

@ -0,0 +1,18 @@
; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | \
; RUN: grep {str.*\\!} | count 2
define void @test1(i32* %X, i32* %A, i32** %dest) {
%B = load i32* %A ; <i32> [#uses=1]
%Y = getelementptr i32* %X, i32 4 ; <i32*> [#uses=2]
store i32 %B, i32* %Y
store i32* %Y, i32** %dest
ret void
}
define i16* @test2(i16* %X, i32* %A) {
%B = load i32* %A ; <i32> [#uses=1]
%Y = getelementptr i16* %X, i32 4 ; <i16*> [#uses=2]
%tmp = trunc i32 %B to i16 ; <i16> [#uses=1]
store i16 %tmp, i16* %Y
ret i16* %Y
}