From 0a2448a3872910124fac48e789490da1ffa57d2f Mon Sep 17 00:00:00 2001 From: Taylor R Campbell Date: Sun, 16 Mar 2014 14:56:10 +0000 Subject: [PATCH] Clarify comment over amd64 fixnum_shift hook. --- src/microcode/cmpauxmd/x86-64.m4 | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/src/microcode/cmpauxmd/x86-64.m4 b/src/microcode/cmpauxmd/x86-64.m4 index 7a4856dc9..d47d0bc15 100644 --- a/src/microcode/cmpauxmd/x86-64.m4 +++ b/src/microcode/cmpauxmd/x86-64.m4 @@ -931,9 +931,9 @@ define_jump_indirection(generic_modulo,39) # Input and output in rax, shift count in rcx, all detagged fixnums. # Return address is at the top of the stack, untagged. This hook must -# not use any registers other than rax and rcx; if it does, the code -# to generate calls to it, in compiler/machines/x86-64/rulfix.scm, -# must clear the register map first. +# not write to any register other than rax; if it does, the code to +# generate calls to it, in compiler/machines/x86-64/rulfix.scm, must +# clear the register map first. define_hook_label(fixnum_shift) OP(sar,q) TW(IMM(TC_LENGTH),REG(rcx)) -- 2.25.1