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# Copyright 2022 Gabriel Jensen.
# This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
# If a copy of the MPL was not distributed with this file, You can obtain one at https://mozilla.org/MPL/2.0/.
.globl zap_abs_c
.globl zap_abs_i
.globl zap_abs_l
.globl zap_abs_ll
.globl zap_abs_s
.globl zap_abs_sc
zap_abs_i:
# The input value:
#define val %edi
# Inverted value of the input:
#define inv %eax
movl val,inv # inv = val
negl inv # inv = -inv // Invert the copy of the input value. This also tests the sign of the value.
# . if (inv > 0x0)
cmovsl val,inv # val = inv // If it was positive, just return the unmodified input.
ret # return val // Otherwise, return the inverted value.
#undef val
#undef inv
zap_abs_l:
zap_abs_ll:
# The input value:
#define val %rdi
# Inverted value of the input:
#define inv %rax
movq val,inv # inv = val
negq inv # inv = -inv
# . if (inv > 0x0)
cmovsq val,inv # val = inv
ret # return val
#undef val
#undef inv
zap_abs_s:
# The input value:
#define val %di
# Inverted value of the input:
#define inv %ax
movw val,inv # inv = val
negw inv # inv = -inv
# . if (inv > 0x0)
cmovsw val,inv # val = inv
ret # return val
#undef val
#undef inv
zap_abs_c:
zap_abs_sc:
# The input value:
#define val %dil
#define val2 %di
# Inverted value of the input:
#define inv %al
#define inv2 %ax
movb val,inv # inv = val
negb inv # inv = -inv
# . if (inv > 0x0)
cmovsw val2,inv2 # val = inv
ret # return val
#undef val
#undef inv
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