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fixed += bug with non-char pointers

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tcc 0.9.25 can't compile musl (or any libc, probably).
will probably need to write libc for tcc, then compile
gcc or a later version of tcc with it
This commit is contained in:
pommicket 2022-02-17 21:33:21 -05:00
parent e94266df3d
commit c42c5d94b8
4 changed files with 15 additions and 8 deletions
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9
05/codegen.b
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@ -1566,6 +1566,7 @@ function generate_push_expression
local addr1
local addr2
local type
local type2
type = expr + 4
type = *4type
@ -1721,6 +1722,8 @@ function generate_push_expression
:generate_assign_add
expr += 8
p = expression_get_end(expr)
type2 = p + 4
type2 = *4type2
p = generate_push_expression_casted(statement, p, type)
generate_push_address_of_expression(statement, expr)
expr = p
@ -1729,7 +1732,7 @@ function generate_push_expression
generate_stack_dereference(statement, type)
emit_mov_rax_qword_rsp_plus_imm32(16) ; mov rax, [rsp+16] (addend)
emit_push_rax() ; push rax
generate_stack_add(statement, type, type, type)
generate_stack_add(statement, type, type2, type)
emit_mov_rax_qword_rsp_plus_imm32(8) ; mov rax, [rsp+8] (address)
emit_push_rax() ; push rax
generate_stack_assign(statement, type)
@ -1740,6 +1743,8 @@ function generate_push_expression
:generate_assign_sub
expr += 8
p = expression_get_end(expr)
type2 = p + 4
type2 = *4type2
p = generate_push_expression_casted(statement, p, type)
generate_push_address_of_expression(statement, expr)
expr = p
@ -1748,7 +1753,7 @@ function generate_push_expression
generate_stack_dereference(statement, type)
emit_mov_rax_qword_rsp_plus_imm32(16) ; mov rax, [rsp+16] (2nd operand)
emit_push_rax() ; push rax
generate_stack_sub(statement, type, type, type)
generate_stack_sub(statement, type, type2, type)
emit_mov_rax_qword_rsp_plus_imm32(8) ; mov rax, [rsp+8] (address)
emit_push_rax() ; push rax
generate_stack_assign(statement, type)