djsundog
/
circuitpython
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

py/asmx64: Support full range of regs in asm_x64_lea_disp_to_r64. 

Signed-off-by: Damien George <damien@micropython.org>
This commit is contained in:
Damien George 2022-05-16 14:40:24 +10:00
parent 6f68a8c240
commit 8e1db993cd
1 changed files with 1 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
py/asmx64.c
View File

@ -319,9 +319,7 @@ void asm_x64_mov_mem64_to_r64(asm_x64_t *as, int src_r64, int src_disp, int dest
STATIC void asm_x64_lea_disp_to_r64(asm_x64_t *as, int src_r64, int src_disp, int dest_r64) {
// use REX prefix for 64 bit operation
assert(src_r64 < 8);
assert(dest_r64 < 8);
asm_x64_write_byte_2(as, REX_PREFIX | REX_W, OPCODE_LEA_MEM_TO_R64);
asm_x64_write_byte_2(as, REX_PREFIX | REX_W | REX_R_FROM_R64(dest_r64) | REX_B_FROM_R64(src_r64), OPCODE_LEA_MEM_TO_R64);
asm_x64_write_r64_disp(as, dest_r64, src_r64, src_disp);
}