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authorPaul E. Murphy <murp@ibm.com>2023-10-26 11:29:23 -0500
committerPaul Murphy <murp@ibm.com>2023-11-17 17:10:51 +0000
commite5ce93d7bfb7baead0671ad59bcd91ecb090a656 (patch)
tree8697ec7e071fb970fbb2347d56f251cc27edc517 /src
parent1cecbb38f477a94938a27936d717f2e6f048623e (diff)
downloadgo-e5ce93d7bfb7baead0671ad59bcd91ecb090a656.tar.xz
cmd/internal/obj/ppc64: remove unused C_XER optab class
This halves the size of the xcmp lookup table. Change-Id: I543fb72709ca45c026e9b7d8084a78f2a8fcd43e Reviewed-on: https://go-review.googlesource.com/c/go/+/542295 Reviewed-by: David Chase <drchase@google.com> Run-TryBot: Paul Murphy <murp@ibm.com> Reviewed-by: Jayanth Krishnamurthy <jayanth.krishnamurthy@ibm.com> TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Than McIntosh <thanm@google.com> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Reviewed-by: Lynn Boger <laboger@linux.vnet.ibm.com>
Diffstat (limited to 'src')
-rw-r--r--src/cmd/internal/obj/ppc64/a.out.go1
-rw-r--r--src/cmd/internal/obj/ppc64/anames9.go1
-rw-r--r--src/cmd/internal/obj/ppc64/asm9.go5
-rw-r--r--src/cmd/internal/obj/ppc64/asm_test.go1
4 files changed, 1 insertions, 7 deletions
diff --git a/src/cmd/internal/obj/ppc64/a.out.go b/src/cmd/internal/obj/ppc64/a.out.go
index 83ec76e0f1..13143f5beb 100644
--- a/src/cmd/internal/obj/ppc64/a.out.go
+++ b/src/cmd/internal/obj/ppc64/a.out.go
@@ -436,7 +436,6 @@ const (
C_LOREG /* An $n+reg memory arg where n is a 32 bit signed offset */
C_XOREG /* An reg+reg memory arg */
C_FPSCR /* The fpscr register */
- C_XER /* The xer, holds the carry bit */
C_LR /* The link register */
C_CTR /* The count register */
C_ANY /* Any argument */
diff --git a/src/cmd/internal/obj/ppc64/anames9.go b/src/cmd/internal/obj/ppc64/anames9.go
index 0180358388..72d1f4915d 100644
--- a/src/cmd/internal/obj/ppc64/anames9.go
+++ b/src/cmd/internal/obj/ppc64/anames9.go
@@ -41,7 +41,6 @@ var cnames9 = []string{
"LOREG",
"XOREG",
"FPSCR",
- "XER",
"LR",
"CTR",
"ANY",
diff --git a/src/cmd/internal/obj/ppc64/asm9.go b/src/cmd/internal/obj/ppc64/asm9.go
index 9524f66ca4..4003e4af1e 100644
--- a/src/cmd/internal/obj/ppc64/asm9.go
+++ b/src/cmd/internal/obj/ppc64/asm9.go
@@ -892,9 +892,6 @@ func (c *ctxt9) aclassreg(reg int16) int {
case REG_LR:
return C_LR
- case REG_XER:
- return C_XER
-
case REG_CTR:
return C_CTR
}
@@ -1153,7 +1150,7 @@ func cmp(a int, b int) bool {
switch a {
case C_SPR:
- if b == C_LR || b == C_XER || b == C_CTR {
+ if b == C_LR || b == C_CTR {
return true
}
diff --git a/src/cmd/internal/obj/ppc64/asm_test.go b/src/cmd/internal/obj/ppc64/asm_test.go
index ed430edd91..7167a6a947 100644
--- a/src/cmd/internal/obj/ppc64/asm_test.go
+++ b/src/cmd/internal/obj/ppc64/asm_test.go
@@ -465,7 +465,6 @@ func TestAddrClassifier(t *testing.T) {
{obj.Addr{Type: obj.TYPE_REG, Reg: REG_CR1}, C_CREG},
{obj.Addr{Type: obj.TYPE_REG, Reg: REG_CR1SO}, C_CRBIT},
{obj.Addr{Type: obj.TYPE_REG, Reg: REG_SPR0}, C_SPR},
- {obj.Addr{Type: obj.TYPE_REG, Reg: REG_SPR0 + 1}, C_XER},
{obj.Addr{Type: obj.TYPE_REG, Reg: REG_SPR0 + 8}, C_LR},
{obj.Addr{Type: obj.TYPE_REG, Reg: REG_SPR0 + 9}, C_CTR},
{obj.Addr{Type: obj.TYPE_REG, Reg: REG_FPSCR}, C_FPSCR},