Lexzach/riscv-cat
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Remove unneeded stack writes

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Lexzach
2026-09-15 11:36:23 -04:00
parent 0f3beed6ee
commit b5056b0fae
1 changed files with 4 additions and 10 deletions
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src/mod.S
+4 -10
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@@ -11,9 +11,7 @@ line_count: .space 6
# @param[out] a0: result code. # @param[out] a0: result code.
# @param[out] a1: bytes written to mod buf. # @param[out] a1: bytes written to mod buf.
add_endings: add_endings:
addi sp, sp, -72 addi sp, sp, -56
sd s7, 64(sp)
sd s6, 56(sp)
sd s5, 48(sp) sd s5, 48(sp)
sd s4, 40(sp) sd s4, 40(sp)
sd ra, 32(sp) sd ra, 32(sp)
@@ -63,9 +61,7 @@ add_endings:
ld ra, 32(sp) ld ra, 32(sp)
ld s4, 40(sp) ld s4, 40(sp)
ld s5, 48(sp) ld s5, 48(sp)
ld s6, 56(sp) addi sp, sp, 56
ld s7, 64(sp)
addi sp, sp, 72
ret ret
# Prefix newlines with ######+TAB line count # Prefix newlines with ######+TAB line count
@@ -76,8 +72,7 @@ add_endings:
# @param[out] a0: result code. # @param[out] a0: result code.
# @param[out] a1: bytes written to mod buf. # @param[out] a1: bytes written to mod buf.
add_line_numbers: add_line_numbers:
addi sp, sp, -72 addi sp, sp, -64
sd s7, 64(sp) #unused
sd s6, 56(sp) # mod buf ptr sd s6, 56(sp) # mod buf ptr
sd s5, 48(sp) # mod buf bp sd s5, 48(sp) # mod buf bp
sd s4, 40(sp) # str buf ptr sd s4, 40(sp) # str buf ptr
@@ -170,8 +165,7 @@ add_line_numbers:
ld s4, 40(sp) ld s4, 40(sp)
ld s5, 48(sp) ld s5, 48(sp)
ld s6, 56(sp) ld s6, 56(sp)
ld s7, 64(sp) addi sp, sp, 64
addi sp, sp, 72
ret ret