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From-SVN: r58050
This commit is contained in:
Joern Rennecke 2002-10-11 10:59:06 +01:00
parent d92b6b949d
commit 0488fa7c8f
4 changed files with 25 additions and 0 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
Fri Oct 11 10:56:17 2002 J"orn Rennecke <joern.rennecke@superh.com>
* emit-rtl.c (gen_lowpart_common): When asked to make a vector from
an integer, use simplify_gen_subreg.
2002-10-10 Aldy Hernandez <aldyh@redhat.com>
* extend.texi (Vector Extensions): Remove comment about single

4
gcc/emit-rtl.c
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@ -999,6 +999,10 @@ gen_lowpart_common (mode, x)
else if (GET_CODE (x) == SUBREG || GET_CODE (x) == REG
|| GET_CODE (x) == CONCAT || GET_CODE (x) == CONST_VECTOR)
return simplify_gen_subreg (mode, x, GET_MODE (x), offset);
else if ((GET_MODE_CLASS (mode) == MODE_VECTOR_INT
|| GET_MODE_CLASS (mode) == MODE_VECTOR_FLOAT)
&& GET_MODE (x) == VOIDmode)
return simplify_gen_subreg (mode, x, int_mode_for_mode (mode), offset);
/* If X is a CONST_INT or a CONST_DOUBLE, extract the appropriate bits
from the low-order part of the constant. */
else if ((GET_MODE_CLASS (mode) == MODE_INT

4
gcc/testsuite/ChangeLog
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@ -1,3 +1,7 @@
Fri Oct 11 10:56:49 2002 Richard Shann <richard.shann@superh.com>
* gcc.c-torture/compile/simd-5.c: New test.
2002-10-10 Jim Wilson <wilson@redhat.com>
* gcc.c-torture/execute/20021010-1.c: New test.

12
gcc/testsuite/gcc.c-torture/compile/simd-5.c Normal file
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@ -0,0 +1,12 @@
#define vector64 __attribute__((vector_size(8)))
main(){
vector64 int c;
vector64 int a = {1, -1};
vector64 int b = {2, -2};
c = -a + b*b*(-1LL);
/* c is now {5, 3} */
printf("result is %llx\n", (long long)c);
}