From fa50248ce6dfbe8afb18a67aa4d0d0cd3800a329 Mon Sep 17 00:00:00 2001 From: Yi Yang Date: Thu, 18 May 2023 11:17:11 +0000 Subject: cmd/compile: sparse conditional constant propagation sparse conditional constant propagation can discover optimization opportunities that cannot be found by just combining constant folding and constant propagation and dead code elimination separately. Updates #59399 Change-Id: Ia954e906480654a6f0cc065d75b5912f96f36b2e GitHub-Last-Rev: 90fc02db99f817b7f0ce5c584642ab1b166e62d7 GitHub-Pull-Request: golang/go#59575 Reviewed-on: https://go-review.googlesource.com/c/go/+/483875 Reviewed-by: Keith Randall Reviewed-by: Keith Randall TryBot-Result: Gopher Robot Reviewed-by: Michael Pratt Run-TryBot: Keith Randall --- test/codegen/compare_and_branch.go | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) (limited to 'test/codegen') diff --git a/test/codegen/compare_and_branch.go b/test/codegen/compare_and_branch.go index b3feef0eb7..479bd318be 100644 --- a/test/codegen/compare_and_branch.go +++ b/test/codegen/compare_and_branch.go @@ -35,12 +35,12 @@ func si64x8() { } // s390x:"CGIJ\t[$]2, R[0-9]+, [$]127, " - for i := int64(0); i >= 128; i++ { + for i := int64(129); i >= 128; i-- { dummy() } // s390x:"CGIJ\t[$]4, R[0-9]+, [$]-128, " - for i := int64(0); i <= -129; i-- { + for i := int64(-130); i <= -129; i++ { dummy() } } @@ -71,7 +71,7 @@ func ui64x8() { } // s390x:"CLGIJ\t[$]2, R[0-9]+, [$]255, " - for i := uint64(0); i >= 256; i-- { + for i := uint64(257); i >= 256; i-- { dummy() } @@ -107,12 +107,12 @@ func si32x8() { } // s390x:"CIJ\t[$]2, R[0-9]+, [$]127, " - for i := int32(0); i >= 128; i++ { + for i := int32(129); i >= 128; i-- { dummy() } // s390x:"CIJ\t[$]4, R[0-9]+, [$]-128, " - for i := int32(0); i <= -129; i-- { + for i := int32(-130); i <= -129; i++ { dummy() } } @@ -143,7 +143,7 @@ func ui32x8() { } // s390x:"CLIJ\t[$]2, R[0-9]+, [$]255, " - for i := uint32(0); i >= 256; i-- { + for i := uint32(257); i >= 256; i-- { dummy() } -- cgit v1.3