[dev.power64] runtime: fix reflect.call

The code to copy out the results was incorrect.

LGTM=minux
R=minux
CC=golang-codereviews
https://golang.org/cl/122530043

diff --git a/src/pkg/runtime/asm_power64x.s b/src/pkg/runtime/asm_power64x.s
index e530e704efa1984ab6553846cbbe952db7b06bee..1a72b1b3c2d9d8175082291882e0adf20597c7ab 100644 (file)
--- a/src/pkg/runtime/asm_power64x.s
+++ b/src/pkg/runtime/asm_power64x.s
@@ -368,29 +368,26 @@ TEXT runtime·NAME(SB), WRAPPER, $MAXSIZE-24;     \
        MOVBZU  R6, 1(R5);                      \
        BR      -4(PC);                         \
        /* call function */                     \
-       MOVD    f+0(FP), R31;                   \
-       MOVD    (R31), R31;                     \
+       MOVD    f+0(FP), R11;                   \
+       MOVD    (R11), R31;                     \
        MOVD    R31, CTR;                       \
        PCDATA  $PCDATA_StackMapIndex, $0;      \
        BL      (CTR);                          \
        /* copy return values back */           \
        MOVD    argptr+8(FP), R3;               \
        MOVW    argsize+16(FP), R4;             \
-       MOVW    retoffset+20(FP), R5;           \
-       MOVD    R1, R6;                         \
-       ADD     $(8-1), R6;                     \
-       ADD     R5, R6;                         \
-       ADD     R5, R3;                         \
-       SUB     R5, R4;                         \
-       CMP     R4, $0;                         \
-       BEQ     9(PC);                          \
+       MOVW    retoffset+20(FP), R6;           \
+       MOVD    R1, R5;                         \
+       ADD     R6, R5;                         \
+       ADD     R6, R3;                         \
+       SUB     R6, R4;                         \
+       ADD     $(8-1), R5;                     \
        SUB     $1, R3;                         \
-       SUB     $1, R6;                         \
-       ADD     R3, R4;                         \
-       CMP     R3, R4;                         \
+       ADD     R5, R4;                         \
+       CMP     R5, R4;                         \
        BEQ     4(PC);                          \
-       MOVBZU  1(R3), R5;                      \
-       MOVBZU  R5, 1(R6);                      \
+       MOVBZU  1(R5), R6;                      \
+       MOVBZU  R6, 1(R3);                      \
        BR      -4(PC);                         \
        RETURN