RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-11-23 03:02:36 +01:00
Code Issues Projects Releases Wiki Activity

[ARM] Removed hasSideEffects from signed/unsigned saturates

Browse Source 
Removed hasSideEffects from SSAT and USAT so that they are no longer
marked as unpredictable.

Differential Revision: https://reviews.llvm.org/D88545
This commit is contained in:
Meera Nakrani 2020-10-01 14:55:01 +00:00
parent b964542465
commit 1ebfeef2a5
2 changed files with 6 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
lib/Target/ARM/ARMInstrThumb2.td
View File

@ -2575,7 +2575,6 @@ def t2USADA8 : T2FourReg_mac<0, 0b111, 0b0000, (outs rGPR:$Rd),
Requires<[IsThumb2, HasDSP]>;
// Signed/Unsigned saturate.
let hasSideEffects = 1 in
class T2SatI<dag iops, string opc, string asm>
: T2I<(outs rGPR:$Rd), iops, NoItinerary, opc, asm, []> {
bits<4> Rd;

12
test/tools/llvm-mca/ARM/m4-int.s
View File

@ -746,9 +746,9 @@ yield
# CHECK-NEXT: 1 1 1.00 smulwt r0, r1, r2
# CHECK-NEXT: 1 2 1.00 smusd r0, r1, r2
# CHECK-NEXT: 1 2 1.00 smusdx r0, r1, r2
# CHECK-NEXT: 1 1 1.00 U ssat r0, #1, r2
# CHECK-NEXT: 1 1 1.00 U ssat r0, #1, r2, lsl #1
# CHECK-NEXT: 1 1 1.00 U ssat16 r0, #1, r1
# CHECK-NEXT: 1 1 1.00 ssat r0, #1, r2
# CHECK-NEXT: 1 1 1.00 ssat r0, #1, r2, lsl #1
# CHECK-NEXT: 1 1 1.00 ssat16 r0, #1, r1
# CHECK-NEXT: 1 1 1.00 * * U ssax r0, r1, r2
# CHECK-NEXT: 1 1 1.00 * * U ssbb
# CHECK-NEXT: 1 1 1.00 * * U ssub16 r0, r1, r2
@ -858,9 +858,9 @@ yield
# CHECK-NEXT: 1 1 1.00 uqsub8 r0, r1, r2
# CHECK-NEXT: 1 1 1.00 usad8 r0, r1, r2
# CHECK-NEXT: 1 1 1.00 usada8 r0, r1, r2, r3
# CHECK-NEXT: 1 1 1.00 U usat r0, #1, r1
# CHECK-NEXT: 1 1 1.00 U usat r0, #1, r1, lsl #1
# CHECK-NEXT: 1 1 1.00 U usat16 r0, #1, r1
# CHECK-NEXT: 1 1 1.00 usat r0, #1, r1
# CHECK-NEXT: 1 1 1.00 usat r0, #1, r1, lsl #1
# CHECK-NEXT: 1 1 1.00 usat16 r0, #1, r1
# CHECK-NEXT: 1 1 1.00 * * U usax r0, r1, r2
# CHECK-NEXT: 1 1 1.00 * * U usub16 r0, r1, r2
# CHECK-NEXT: 1 1 1.00 * * U usub8 r0, r1, r2