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re PR target/12749 (i386 LP64 bug.)

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2003-12-20  Andrew Pinski  <pinskia@gcc.gnu.org>
            Matt Thomas  <matt@3am-software.com>

       PR target/12749
       * config/i386/i386.c (print_operand): Print only the first
       8 characters of the float in hex.

2003-12-20  Andrew Pinski  <pinskia@gcc.gnu.org>

       PR target/12749
       * gcc.c-torture/compile/20031220-2.c: New test case.

Co-Authored-By: Matt Thomas <matt@3am-software.com>

From-SVN: r74893
This commit is contained in:
Andrew Pinski 2003-12-20 13:56:47 -08:00
parent 3b24df36c0
commit 781f4ec18f
4 changed files with 57 additions and 1 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2003-12-20 Andrew Pinski <pinskia@gcc.gnu.org>
Matt Thomas <matt@3am-software.com>
PR target/12749
* config/i386/i386.c (print_operand): Print only the first
8 characters of the float in hex.
2003-12-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
* pa.h (TRAMPOLINE_TEMPLATE): Shorten sequence when generating PA

2
gcc/config/i386/i386.c
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@ -7457,7 +7457,7 @@ print_operand (FILE *file, rtx x, int code)
if (ASSEMBLER_DIALECT == ASM_ATT)
putc ('$', file);
fprintf (file, "0x%lx", l);
fprintf (file, "0x%08lx", l);
}
/* These float cases don't actually occur as immediate operands. */

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2003-12-20 Andrew Pinski <pinskia@gcc.gnu.org>
PR target/12749
* gcc.c-torture/compile/20031220-2.c: New test case.
2003-12-20 Roger Sayle <roger@eyesopen.com>
PR optimization/13031

44
gcc/testsuite/gcc.c-torture/compile/20031220-2.c Normal file
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@ -0,0 +1,44 @@
/* PR target/12749
Orgin: Matt Thomas <matt@3am-software.com>
This used to cause GCC to write out an instruction for i386 when using a L64 host
which gas could not handle because GCC would write a full 64bit hex string out. */
float fabsf (float);
typedef int __int32_t;
typedef unsigned int __uint32_t;
typedef union
{
float value;
__uint32_t word;
} ieee_float_shape_type;
extern float __ieee754_expf (float);
extern float __ieee754_sinhf (float);
static const float one = 1.0, shuge = 1.0e37;
float
__ieee754_sinhf(float x)
{
float t,w,h;
__int32_t ix,jx;
do { ieee_float_shape_type gf_u; gf_u.value = (x); (jx) = gf_u.word; } while (0);
ix = jx&0x7fffffff;
if(ix>=0x7f800000) return x+x;
h = 0.5;
if (jx<0) h = -h;
if (ix < 0x41b00000) {
if (ix<0x31800000)
if(shuge+x>one) return x;
t = expm1f(fabsf(x));
if(ix<0x3f800000) return h*((float)2.0*t-t*t/(t+one));
return h*(t+t/(t+one));
}
if (ix < 0x42b17180) return h*__ieee754_expf(fabsf(x));
if (ix<=0x42b2d4fc) {
w = __ieee754_expf((float)0.5*fabsf(x));
t = h*w;
return t*w;
}
return x*shuge;
}