diff options
| -rw-r--r-- | asmrun/amd64.S | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/asmrun/amd64.S b/asmrun/amd64.S index 75763d338..1b54c4ff3 100644 --- a/asmrun/amd64.S +++ b/asmrun/amd64.S @@ -99,6 +99,10 @@ movq GREL(dstlabel)(%rip), %r11 ; \ movq srcreg, (%r11) +#define STORE_VAR32(srcreg,dstlabel) \ + movq GREL(dstlabel)(%rip), %r11 ; \ + movl srcreg, (%r11) + /* Load global [srclabel] in register [dstreg]. Clobbers %r11. */ #define LOAD_VAR(srclabel,dstreg) \ movq GREL(srclabel)(%rip), %r11 ; \ @@ -144,6 +148,9 @@ #define STORE_VAR(srcreg,dstlabel) \ movq srcreg, G(dstlabel)(%rip) +#define STORE_VAR32(srcreg,dstlabel) \ + movl srcreg, G(dstlabel)(%rip) + #define LOAD_VAR(srclabel,dstreg) \ movq G(srclabel)(%rip), dstreg @@ -532,7 +539,7 @@ CFI_STARTPROC popq %r14 ret LBL(110): - STORE_VAR($0, caml_backtrace_pos) + STORE_VAR32($0, caml_backtrace_pos) LBL(111): movq %rax, %r12 /* Save exception bucket */ movq %rax, C_ARG_1 /* arg 1: exception bucket */ |