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Add loongarch64 support #160

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Add loongarch64 support #160

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2 changes: 2 additions & 0 deletions src/libblastrampoline.c
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Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,8 @@ __attribute__((always_inline)) inline uintptr_t get_forward_name_idx() {
asm("\t mv %0,t4" : "=r"(idx));
#elif defined(ARCH_x86_64)
asm("\t movq %%r10,%0" : "=r"(idx));
#elif defined(ARCH_loongarch64)
asm("\t move %0, $t8" : "=r"(idx));
#else
#error "Unrecognized ARCH for `get_forward_name_idx()`"
#endif
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20 changes: 20 additions & 0 deletions src/trampolines/trampolines_loongarch64.S
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@@ -0,0 +1,20 @@
#include "common.h"
#include "../exported_funcs.inc"

#define SEP ;

#define XX(name, idx) \
.global MANGLE(UNDERSCORE(name)) SEP \
.cfi_startproc SEP \
.p2align 2 SEP \
MANGLE(UNDERSCORE(name))##: SEP \
li.d $t8, SYMBOL_IDX(idx) SEP \
la.pcrel $t3, NAMEADDR(name) SEP \
ld.d $t3, $t3, 0 SEP \
jr $t3 SEP \
amswap.w $zero, $zero, $zero SEP \
.cfi_endproc SEP \

// Generate both `dgemm_` and `dgemm_64_`
#include "ilp64_doubling.h"
#undef XX