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authorJoel Sing <joel@sing.id.au>2020-03-16 03:31:32 +1100
committerJoel Sing <joel@sing.id.au>2020-03-17 01:24:51 +0000
commit7ec4adbc919df7dbd549ccc71a2e17d8a0bafe4d (patch)
tree0d692a452c3f460ada4cf29c8a090c3528e8f3bc /src/cmd/internal/obj
parent0e44c692c2b39a071257e8be24fa971e6dc05f10 (diff)
downloadgo-7ec4adbc919df7dbd549ccc71a2e17d8a0bafe4d.tar.xz
cmd/internal/obj/riscv: add comments for Go registers
Change-Id: Id9aa6ba268eee67f2dc74096d4ec3bc0a80aefe2 Reviewed-on: https://go-review.googlesource.com/c/go/+/223563 Reviewed-by: Cherry Zhang <cherryyz@google.com>
Diffstat (limited to 'src/cmd/internal/obj')
-rw-r--r--src/cmd/internal/obj/riscv/cpu.go6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/cmd/internal/obj/riscv/cpu.go b/src/cmd/internal/obj/riscv/cpu.go
index 632b3e6690..76457dd8d2 100644
--- a/src/cmd/internal/obj/riscv/cpu.go
+++ b/src/cmd/internal/obj/riscv/cpu.go
@@ -106,7 +106,7 @@ const (
// General registers reassigned to ABI names.
REG_ZERO = REG_X0
- REG_RA = REG_X1
+ REG_RA = REG_X1 // aka REG_LR
REG_SP = REG_X2
REG_GP = REG_X3 // aka REG_SB
REG_TP = REG_X4 // aka REG_G
@@ -125,7 +125,7 @@ const (
REG_A7 = REG_X17
REG_S2 = REG_X18
REG_S3 = REG_X19
- REG_S4 = REG_X20
+ REG_S4 = REG_X20 // aka REG_CTXT
REG_S5 = REG_X21
REG_S6 = REG_X22
REG_S7 = REG_X23
@@ -136,7 +136,7 @@ const (
REG_T3 = REG_X28
REG_T4 = REG_X29
REG_T5 = REG_X30
- REG_T6 = REG_X31
+ REG_T6 = REG_X31 // aka REG_TMP
// Go runtime register names.
REG_G = REG_TP // G pointer.