Created
February 22, 2022 04:38
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static void vcopy(void *vdst, void *vsrc) | |
{ | |
asm volatile ( | |
"vl %v0, 0(%r3), 0 \n" | |
"vst %v0, 0(%r2), 0 \n" | |
); | |
} | |
" | |
0000000000000960 <_ZL5vcopyPvS_>: | |
960: b3 c1 00 2b ldgr %f2,%r11 | |
964: b3 c1 00 0f ldgr %f0,%r15 | |
968: e3 f0 ff 50 ff 71 lay %r15,-176(%r15) | |
96e: e3 00 f0 a8 00 20 cg %r0,168(%r15) | |
974: b9 04 00 bf lgr %r11,%r15 | |
978: e3 20 b0 a8 00 24 stg %r2,168(%r11) | |
97e: e3 30 b0 a0 00 24 stg %r3,160(%r11) | |
984: e7 00 30 00 00 06 vl %v0,0(%r3) | |
98a: e7 00 20 00 00 0e vst %v0,0(%r2) | |
990: 07 00 nopr | |
992: b3 cd 00 f0 lgdr %r15,%f0 | |
996: b3 cd 00 b2 lgdr %r11,%f2 | |
99a: 07 fe br %r14 | |
99c: 07 07 nopr %r7 | |
99e: 07 07 nopr %r7 | |
" | |
template<int m3> static void vcopy(S390Vector *vd, S390Vector *vs) { | |
asm volatile ( | |
#if 0 | |
"vst %[vs], %[vd], 0 \n" | |
#else | |
"vl %%v0, %[vs], 0 \n" | |
"vst %%v0, %[vd], 0 \n" | |
#endif | |
: [vd] "=v" (vd->v) | |
: [vs] "v" (vs->v) | |
); | |
} | |
" WITH vl , vst | |
0000000000000b28 <_Z5vcopyILi0EEvP10S390VectorS1_>: | |
b28: eb bf f0 58 00 24 stmg %r11,%r15,88(%r15) | |
b2e: e3 f0 ff 50 ff 71 lay %r15,-176(%r15) | |
b34: b9 04 00 bf lgr %r11,%r15 | |
b38: e3 20 b0 a8 00 24 stg %r2,168(%r11) | |
b3e: e3 30 b0 a0 00 24 stg %r3,160(%r11) | |
b44: c0 20 00 00 00 96 larl %r2,c70 <_ZN9__gnu_cxxL21__default_lock_policyE+0x50> | |
b4a: c0 e5 ff ff fd f1 brasl %r14,72c <puts@plt> | |
b50: e3 10 b0 a0 00 04 lg %r1,160(%r11) | |
b56: e7 00 10 00 30 06 vl %v0,0(%r1),3 | |
b5c: e7 00 00 00 00 06 vl %v0,0 // ? | |
b62: e7 00 00 00 00 0e vst %v0,0 // ? | |
b68: e3 10 b0 a8 00 04 lg %r1,168(%r11) | |
b6e: e7 00 10 00 30 0e vst %v0,0(%r1),3 | |
b74: 07 00 nopr | |
b76: eb bf b1 08 00 04 lmg %r11,%r15,264(%r11) | |
b7c: 07 fe br %r14 | |
b7e: 07 07 nopr %r7 | |
WITH vst only | |
0000000000000b28 <_Z5vcopyILi0EEvP10S390VectorS1_>: | |
b28: eb bf f0 58 00 24 stmg %r11,%r15,88(%r15) | |
b2e: e3 f0 ff 50 ff 71 lay %r15,-176(%r15) | |
b34: b9 04 00 bf lgr %r11,%r15 | |
b38: e3 20 b0 a8 00 24 stg %r2,168(%r11) | |
b3e: e3 30 b0 a0 00 24 stg %r3,160(%r11) | |
b44: c0 20 00 00 00 96 larl %r2,c70 <_ZN9__gnu_cxxL21__default_lock_policyE+0x50> | |
b4a: c0 e5 ff ff fd f1 brasl %r14,72c <puts@plt> | |
b50: e3 10 b0 a0 00 04 lg %r1,160(%r11) | |
b56: e7 00 10 00 30 06 vl %v0,0(%r1),3 | |
b5c: e7 00 00 00 00 0e vst %v0,0 // ? | |
b62: e3 10 b0 a8 00 04 lg %r1,168(%r11) | |
b68: e7 00 10 00 30 0e vst %v0,0(%r1),3 | |
b6e: 07 00 nopr | |
b70: eb bf b1 08 00 04 lmg %r11,%r15,264(%r11) | |
b76: 07 fe br %r14 | |
b78: 07 07 nopr %r7 | |
b7a: 07 07 nopr %r7 | |
b7c: 07 07 nopr %r7 | |
b7e: 07 07 nopr %r7 | |
" | |
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