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annotate gcc/testsuite/gcc.dg/pr87047.c @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
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145
1830386684a0 gcc-9.2.0
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1 /* { dg-do compile { target { { i?86-*-* x86_64-*-* } && { ! ia32 } } } } */
1830386684a0 gcc-9.2.0
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2 /* { dg-options "-fdump-rtl-ce1 -O2" } */
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3
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4 typedef unsigned long long uint64_t;
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5
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6 static uint64_t umulh(uint64_t a, uint64_t b)
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7 {
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8 return (unsigned __int128)a*b >> 64;
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9 }
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10
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11 uint64_t f(uint64_t a, uint64_t b, int c)
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12 {
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13 if (c)
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14 a = umulh(a, (b-umulh(a,b))<<44) << 1;
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15 return a;
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16 }
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17
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18 /* { dg-final { scan-rtl-dump "0 true changes made" "ce1" } } */
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19 /* { dg-final { scan-assembler-not "cmov" } } */