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| author | Xavier ASUS <xavi92psx@gmail.com> | 2019-10-18 00:31:54 +0200 |
|---|---|---|
| committer | Xavier ASUS <xavi92psx@gmail.com> | 2019-10-18 00:31:54 +0200 |
| commit | 268a53de823a6750d6256ee1fb1e7707b4b45740 (patch) | |
| tree | 42c1799a9a82b2f7d9790ee9fe181d72a7274751 /device/lib/stm8/_fssub.asm | |
| download | sdcc-gas-268a53de823a6750d6256ee1fb1e7707b4b45740.tar.gz | |
sdcc-3.9.0 fork implementing GNU assembler syntax
This fork aims to provide better support for stm8-binutils
Diffstat (limited to 'device/lib/stm8/_fssub.asm')
| -rw-r--r-- | device/lib/stm8/_fssub.asm | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/device/lib/stm8/_fssub.asm b/device/lib/stm8/_fssub.asm new file mode 100644 index 0000000..3c2c675 --- /dev/null +++ b/device/lib/stm8/_fssub.asm @@ -0,0 +1,83 @@ +;-------------------------------------------------------- +; File Created by SDCC : free open source ANSI-C Compiler +; Version 3.9.3 #11345 (Linux) +;-------------------------------------------------------- + .module _fssub + .optsdcc -mstm8 + +;-------------------------------------------------------- +; Public variables in this module +;-------------------------------------------------------- + .globl ___fssub +;-------------------------------------------------------- +; ram data +;-------------------------------------------------------- + .area DATA +;-------------------------------------------------------- +; ram data +;-------------------------------------------------------- + .area INITIALIZED +;-------------------------------------------------------- +; absolute external ram data +;-------------------------------------------------------- + .area DABS (ABS) + +; default segment ordering for linker + .area HOME + .area GSINIT + .area GSFINAL + .area CONST + .area INITIALIZER + .area CODE + +;-------------------------------------------------------- +; global & static initialisations +;-------------------------------------------------------- + .area HOME + .area GSINIT + .area GSFINAL + .area GSINIT +;-------------------------------------------------------- +; Home +;-------------------------------------------------------- + .area HOME + .area HOME +;-------------------------------------------------------- +; code +;-------------------------------------------------------- + .area CODE +; ../_fssub.c: 73: float __fssub (float a1, float a2) +; ----------------------------------------- +; function __fssub +; ----------------------------------------- +___fssub: + sub sp, #4 +; ../_fssub.c: 75: float neg = -a1; + ldw y, (0x09, sp) + ldw x, (0x07, sp) + sllw x + ccf + rrcw x + ldw (0x03, sp), y + ldw (0x01, sp), x +; ../_fssub.c: 76: return -(neg + a2); + ldw x, (0x0d, sp) + pushw x + ldw x, (0x0d, sp) + pushw x + ldw x, (0x07, sp) + pushw x + ldw x, (0x07, sp) + pushw x + call ___fsadd + addw sp, #8 + sllw y + ccf + rrcw y +; ../_fssub.c: 77: } + addw sp, #4 + ret + .area CODE + .area CONST + .area INITIALIZER + .area CABS (ABS) |