diff options
Diffstat (limited to 'poky/meta/recipes-devtools/go/go-1.10/0008-cmd-internal-obj-arm64-fix-branch-too-far-with-TBZ-l.patch')
| -rw-r--r-- | poky/meta/recipes-devtools/go/go-1.10/0008-cmd-internal-obj-arm64-fix-branch-too-far-with-TBZ-l.patch | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/poky/meta/recipes-devtools/go/go-1.10/0008-cmd-internal-obj-arm64-fix-branch-too-far-with-TBZ-l.patch b/poky/meta/recipes-devtools/go/go-1.10/0008-cmd-internal-obj-arm64-fix-branch-too-far-with-TBZ-l.patch deleted file mode 100644 index 1e754178d..000000000 --- a/poky/meta/recipes-devtools/go/go-1.10/0008-cmd-internal-obj-arm64-fix-branch-too-far-with-TBZ-l.patch +++ /dev/null @@ -1,58 +0,0 @@ -From 41b90ed7af10a071ccfeede6a429e0d80518436d Mon Sep 17 00:00:00 2001 -From: Cherry Zhang <cherryyz@google.com> -Date: Sat, 17 Feb 2018 10:31:39 -0500 -Subject: [PATCH 8/9] cmd/internal/obj/arm64: fix branch-too-far with TBZ like - instructions - -The compiler now emits TBZ like instructions, but the assembler's -too-far-branch patch code didn't include that case. Add it. - -Fixes #23889. - -Change-Id: Ib75f9250c660b9fb652835fbc83263a5d5073dc5 ---- -Signed-off-by: Khem Raj <raj.khem@gmail.com> -Upstream-Status: Backport - - src/cmd/internal/obj/arm64/asm7.go | 11 +++++++++-- - src/cmd/internal/obj/arm64/asm_test.go | 1 + - 2 files changed, 10 insertions(+), 2 deletions(-) - -diff --git a/src/cmd/internal/obj/arm64/asm7.go b/src/cmd/internal/obj/arm64/asm7.go -index ca81238c93..b1ee552489 100644 ---- a/src/cmd/internal/obj/arm64/asm7.go -+++ b/src/cmd/internal/obj/arm64/asm7.go -@@ -696,9 +696,16 @@ func span7(ctxt *obj.Link, cursym *obj.LSym, newprog obj.ProgAlloc) { - o = c.oplook(p) - - /* very large branches */ -- if (o.type_ == 7 || o.type_ == 39) && p.Pcond != nil { // 7: BEQ and like, 39: CBZ and like -+ if (o.type_ == 7 || o.type_ == 39 || o.type_ == 40) && p.Pcond != nil { // 7: BEQ and like, 39: CBZ and like, 40: TBZ and like - otxt := p.Pcond.Pc - pc -- if otxt <= -(1<<18)+10 || otxt >= (1<<18)-10 { -+ var toofar bool -+ switch o.type_ { -+ case 7, 39: // branch instruction encodes 19 bits -+ toofar = otxt <= -(1<<20)+10 || otxt >= (1<<20)-10 -+ case 40: // branch instruction encodes 14 bits -+ toofar = otxt <= -(1<<15)+10 || otxt >= (1<<15)-10 -+ } -+ if toofar { - q := c.newprog() - q.Link = p.Link - p.Link = q -diff --git a/src/cmd/internal/obj/arm64/asm_test.go b/src/cmd/internal/obj/arm64/asm_test.go -index 369c48f510..3e0c9c13a6 100644 ---- a/src/cmd/internal/obj/arm64/asm_test.go -+++ b/src/cmd/internal/obj/arm64/asm_test.go -@@ -52,6 +52,7 @@ func TestLarge(t *testing.T) { - // gen generates a very large program, with a very far conditional branch. - func gen(buf *bytes.Buffer) { - fmt.Fprintln(buf, "TEXT f(SB),0,$0-0") -+ fmt.Fprintln(buf, "TBZ $5, R0, label") - fmt.Fprintln(buf, "CBZ R0, label") - fmt.Fprintln(buf, "BEQ label") - for i := 0; i < 1<<19; i++ { --- -2.14.1 - |
